/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette */
    --primary-red: #8B0000;
    --secondary-slate: #2F4F4F;
    --accent-gold: #DAA520;
    --background-beige: #F5F5DC;
    --text-charcoal: #1C1C1C;
    --success-green: #228B22;
    
    /* Dark Mode Colors */
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #3d3d3d;
    --text-primary: #e8e8e8;
    --text-secondary: #b8b8b8;
    --border-color: #555555;
    
    /* Typography */
    --font-heading: 'Crimson Text', serif;
    --font-body: 'Roboto', sans-serif;
    --font-mono: 'Courier Prime', monospace;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* Borders */
    --border-radius: 8px;
    --border-radius-lg: 12px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.5);
}

body {
    font-family: var(--font-body);
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

/* App Container */
.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header Styles */
.app-header {
    background: linear-gradient(90deg, var(--primary-red) 0%, var(--secondary-slate) 100%);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    border-bottom: 3px solid var(--accent-gold);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.app-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.title-icon {
    font-size: 2rem;
}

.header-stats {
    display: flex;
    gap: var(--spacing-lg);
}

.stat-item {
    text-align: center;
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.stat-value {
    display: block;
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-gold);
}

/* Navigation Tabs */
.tab-navigation {
    background: var(--bg-secondary);
    border-bottom: 2px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 100%;
    overflow: hidden;
}

.nav-scroll {
    display: flex;
    overflow-x: auto;
    overflow-y: hidden;
    white-space: nowrap;
    padding: 0 10px;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
    scroll-behavior: smooth;
}

.nav-scroll::-webkit-scrollbar {
    display: none; /* Chrome, Safari and Opera */
}

.tab-btn {
    background: none;
    border: none;
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    white-space: nowrap;
    border-bottom: 3px solid transparent;
    flex: 0 0 auto;
    min-width: 140px;
    text-align: center;
}

.tab-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.tab-btn.active {
    background: var(--bg-tertiary);
    color: var(--accent-gold);
    border-bottom-color: var(--accent-gold);
}

.tab-icon {
    font-size: 1.2rem;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: var(--spacing-xl);
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Tool Header */
.tool-header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
}

.tool-header h2 {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    color: var(--accent-gold);
    margin-bottom: var(--spacing-md);
}

.tool-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* Battle Calculator Styles */
.battle-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: start;
}

.battle-input-section {
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--border-color);
}

.input-group {
    margin-bottom: var(--spacing-lg);
}

.input-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.army-input {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--bg-tertiary);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    border: 2px solid var(--border-color);
}

.army-btn {
    background: var(--primary-red);
    border: none;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius);
    font-size: 1.25rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.army-btn:hover {
    background: #a50000;
    transform: scale(1.05);
}

.army-input input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    font-family: var(--font-mono);
}

.army-input input:focus {
    outline: none;
}

.calculate-btn {
    width: 100%;
    background: linear-gradient(45deg, var(--primary-red), var(--secondary-slate));
    border: none;
    color: white;
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: 1.25rem;
    font-weight: 600;
    border-radius: var(--border-radius-lg);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-md);
    margin-top: var(--spacing-xl);
}

.calculate-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.calculate-btn:active {
    transform: translateY(0);
}

/* Battle Results */
.battle-results {
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--border-color);
}

.results-header h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--accent-gold);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.probability-display {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.prob-item {
    background: var(--bg-tertiary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    text-align: center;
    border: 2px solid var(--border-color);
}

.prob-item.attacker-win {
    border-left: 4px solid var(--primary-red);
}

.prob-item.defender-win {
    border-left: 4px solid var(--secondary-slate);
}

.prob-label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.prob-value {
    display: block;
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-gold);
}

.detailed-outcomes {
    background: var(--bg-tertiary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--border-color);
}

.battle-recommendation {
    background: var(--success-green);
    color: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    font-weight: 500;
    text-align: center;
}

/* Army Optimizer Styles */
.optimizer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: start;
}

.optimizer-input {
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--border-color);
}

.territories-section h3 {
    font-family: var(--font-heading);
    color: var(--accent-gold);
    margin-bottom: var(--spacing-lg);
}

.territory-list {
    margin-bottom: var(--spacing-lg);
}

.territory-item {
    background: var(--bg-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--border-color);
}

.territory-name {
    font-weight: 500;
}

.territory-priority {
    background: var(--primary-red);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 600;
}

.add-territory-btn {
    width: 100%;
    background: var(--secondary-slate);
    border: none;
    color: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    transition: all 0.2s ease;
}

.add-territory-btn:hover {
    background: #3d5f5f;
}

.optimizer-results {
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--border-color);
}

.deployment-chart {
    margin-bottom: var(--spacing-lg);
}

.deployment-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-sm);
    border: 1px solid var(--border-color);
}

.deployment-armies {
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--accent-gold);
    font-size: 1.25rem;
}

/* Territory Tracker Styles */
.tracker-grid {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.players-section,
.continents-section,
.control-summary {
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--border-color);
}

.players-section h3,
.continents-section h3,
.control-summary h3 {
    font-family: var(--font-heading);
    color: var(--accent-gold);
    margin-bottom: var(--spacing-lg);
}

.player-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-sm);
    border: 1px solid var(--border-color);
}

.player-color-indicator {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--accent-gold);
}

.add-player-btn {
    width: 100%;
    background: var(--primary-red);
    border: none;
    color: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    transition: all 0.2s ease;
}

.add-player-btn:hover {
    background: #a50000;
}

.continent-item {
    background: var(--bg-tertiary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--border-color);
}

.continent-name {
    font-weight: 600;
    color: var(--accent-gold);
    margin-bottom: var(--spacing-sm);
}

.continent-bonus {
    font-family: var(--font-mono);
    color: var(--success-green);
    font-weight: 700;
}

.continent-controller {
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Turn Manager Styles */
.timer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.current-turn {
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--border-color);
}

.turn-display h3 {
    font-family: var(--font-heading);
    color: var(--accent-gold);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.current-player {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.player-name {
    font-size: 1.5rem;
    font-weight: 600;
}

.player-color {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 3px solid var(--accent-gold);
}

.turn-timer-display {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.timer-value {
    display: block;
    font-family: var(--font-mono);
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-gold);
    margin-bottom: var(--spacing-lg);
}

.timer-controls {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.timer-btn {
    background: var(--secondary-slate);
    border: none;
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: all 0.2s ease;
    font-size: 0.875rem;
}

.timer-btn:hover {
    background: #3d5f5f;
    transform: translateY(-1px);
}

.timer-btn.next-turn {
    background: var(--primary-red);
}

.timer-btn.next-turn:hover {
    background: #a50000;
}

.player-sequence,
.game-stats {
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--border-color);
}

.player-sequence h3,
.game-stats h3 {
    font-family: var(--font-heading);
    color: var(--accent-gold);
    margin-bottom: var(--spacing-lg);
}

.sequence-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-sm);
    border: 1px solid var(--border-color);
}

.sequence-item.active {
    border-color: var(--accent-gold);
    background: rgba(218, 165, 32, 0.1);
}

.sequence-number {
    background: var(--primary-red);
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 600;
}

.sequence-controls {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.sequence-btn {
    flex: 1;
    background: var(--secondary-slate);
    border: none;
    color: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    transition: all 0.2s ease;
    font-size: 0.875rem;
}

.sequence-btn:hover {
    background: #3d5f5f;
}

.stats-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-sm);
    border: 1px solid var(--border-color);
}

.stats-value {
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--accent-gold);
}

/* Enhanced Visual Effects */
.app-container {
    position: relative;
    overflow-x: hidden;
}

.app-container::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 20%, rgba(139, 0, 0, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(47, 79, 79, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 60%, rgba(218, 165, 32, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* Animated background elements */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.05); }
}

@keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

/* Enhanced header with gradient overlay */
.app-header {
    background: 
        linear-gradient(135deg, rgba(139, 0, 0, 0.95) 0%, rgba(47, 79, 79, 0.95) 100%),
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(218,165,32,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    position: relative;
    overflow: hidden;
}

.app-header::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(218, 165, 32, 0.2), transparent);
    animation: shimmer 3s infinite;
}

.app-title {
    position: relative;
    z-index: 2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.title-icon {
    animation: pulse 2s ease-in-out infinite;
}

/* Enhanced tab navigation */
.tab-navigation {
    background: linear-gradient(90deg, var(--bg-secondary) 0%, var(--bg-tertiary) 50%, var(--bg-secondary) 100%);
    position: relative;
    overflow: visible;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 2px;
}

.tab-navigation::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-red), var(--accent-gold), var(--secondary-slate), var(--accent-gold), var(--primary-red));
    background-size: 200% 100%;
    animation: shimmer 4s linear infinite;
}

.tab-btn {
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.tab-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(218, 165, 32, 0.2), transparent);
    transition: left 0.5s ease;
}

.tab-btn:hover::before {
    left: 100%;
}

.tab-btn.active {
    background: linear-gradient(45deg, var(--bg-tertiary), rgba(218, 165, 32, 0.1));
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.tab-icon {
    transition: transform 0.3s ease;
}

.tab-btn:hover .tab-icon {
    transform: scale(1.2) rotate(5deg);
}

/* Enhanced cards and sections */
.battle-input-section,
.battle-results,
.optimizer-input,
.optimizer-results,
.players-section,
.continents-section,
.control-summary,
.current-turn,
.player-sequence,
.game-stats {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(45, 45, 45, 0.95) 100%);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(218, 165, 32, 0.2);
    position: relative;
    overflow: hidden;
}

.battle-input-section::before,
.battle-results::before,
.optimizer-input::before,
.optimizer-results::before,
.players-section::before,
.continents-section::before,
.control-summary::before,
.current-turn::before,
.player-sequence::before,
.game-stats::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
    opacity: 0.6;
}

/* Enhanced buttons */
.calculate-btn,
.add-territory-btn,
.add-player-btn,
.timer-btn,
.sequence-btn {
    position: relative;
    overflow: hidden;
    background: linear-gradient(45deg, var(--primary-red), #b30000);
    border: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.calculate-btn::before,
.add-territory-btn::before,
.add-player-btn::before,
.timer-btn::before,
.sequence-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.calculate-btn:hover::before,
.add-territory-btn:hover::before,
.add-player-btn:hover::before,
.timer-btn:hover::before,
.sequence-btn:hover::before {
    width: 300px;
    height: 300px;
}

.calculate-btn:hover,
.add-territory-btn:hover,
.add-player-btn:hover,
.timer-btn:hover,
.sequence-btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 25px rgba(139, 0, 0, 0.4);
}

/* Enhanced army input controls */
.army-btn {
    position: relative;
    overflow: hidden;
    transition: all 0.2s ease;
}

.army-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.3s ease, height 0.3s ease;
}

.army-btn:active::after {
    width: 100px;
    height: 100px;
}

/* Enhanced probability displays */
.prob-item {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, rgba(61, 61, 61, 0.8) 100%);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.prob-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(218, 165, 32, 0.1), transparent);
    transition: left 0.8s ease;
}

.prob-item:hover::after {
    left: 100%;
}

.prob-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.prob-value {
    position: relative;
    z-index: 2;
    text-shadow: 0 0 10px rgba(218, 165, 32, 0.5);
}

/* Enhanced territory items */
.territory-item,
.player-item,
.continent-item,
.sequence-item,
.deployment-item {
    background: linear-gradient(90deg, var(--bg-tertiary) 0%, rgba(61, 61, 61, 0.9) 100%);
    border-left: 3px solid transparent;
    transition: all 0.3s ease;
    position: relative;
}

.territory-item:hover,
.player-item:hover,
.continent-item:hover,
.sequence-item:hover,
.deployment-item:hover {
    border-left-color: var(--accent-gold);
    transform: translateX(5px);
    background: linear-gradient(90deg, rgba(218, 165, 32, 0.1) 0%, var(--bg-tertiary) 100%);
}

/* Enhanced timer display */
.timer-value {
    position: relative;
    font-family: var(--font-mono);
    background: linear-gradient(45deg, var(--accent-gold), #ffd700);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 10px rgba(218, 165, 32, 0.3));
}

/* Enhanced player colors */
.player-color-indicator,
.player-color {
    border: 2px solid var(--accent-gold);
    box-shadow: 
        0 0 10px rgba(218, 165, 32, 0.3),
        inset 0 0 10px rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.player-color-indicator:hover,
.player-color:hover {
    transform: scale(1.1);
    box-shadow: 
        0 0 20px rgba(218, 165, 32, 0.5),
        inset 0 0 15px rgba(255, 255, 255, 0.2);
}

/* Enhanced notification system */
.notification {
    backdrop-filter: blur(10px);
    border: 1px solid rgba(218, 165, 32, 0.3);
    position: relative;
    overflow: hidden;
}

.notification::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shimmer 2s ease-in-out;
}

/* Enhanced input fields */
input[type="number"],
input[type="text"],
select {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, rgba(61, 61, 61, 0.8) 100%);
    border: 1px solid rgba(218, 165, 32, 0.3);
    transition: all 0.3s ease;
    position: relative;
}

input[type="number"]:focus,
input[type="text"]:focus,
select:focus {
    border-color: var(--accent-gold);
    box-shadow: 
        0 0 0 2px rgba(218, 165, 32, 0.2),
        0 0 10px rgba(218, 165, 32, 0.3);
    outline: none;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(45deg, var(--accent-gold), #b8860b);
    border-radius: 4px;
    border: 1px solid var(--bg-secondary);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(45deg, #ffd700, var(--accent-gold));
}

/* Loading animations */
@keyframes loading {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading {
    animation: loading 1s linear infinite;
}

/* Glow effects for important elements */
.results-header h3,
.tool-header h2 {
    position: relative;
    text-shadow: 0 0 10px rgba(218, 165, 32, 0.3);
}

.results-header h3::after,
.tool-header h2::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 50px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
    transform: translateX(-50%);
}

/* Enhanced focus indicators */
*:focus {
    outline: 2px solid rgba(218, 165, 32, 0.5);
    outline-offset: 2px;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .battle-grid,
    .optimizer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .tracker-grid,
    .timer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .app-title {
        font-size: 1.75rem;
    }
    
    .header-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .tab-navigation {
        grid-template-columns: repeat(2, 1fr);
        gap: 1px;
        overflow: visible;
    }
    
    .tab-btn {
        padding: var(--spacing-md) var(--spacing-sm);
        font-size: 0.8rem;
        min-width: auto;
        flex-direction: column;
        gap: var(--spacing-xs);
        min-height: 60px;
    }
    
    .tab-icon {
        font-size: 1.1rem;
    }
    
    .main-content {
        padding: var(--spacing-lg);
    }
    
    .battle-grid,
    .optimizer-grid,
    .tracker-grid,
    .timer-grid,
    .strategy-grid,
    .dice-simulator-grid,
    .analytics-dashboard {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .probability-display {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .timer-controls {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .sequence-controls {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .analytics-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .assessment-metrics {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .continent-checkboxes {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }
    
    .dice-arena {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .vs-divider {
        order: 1;
        margin: var(--spacing-md) 0;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .app-title {
        font-size: 1.25rem;
    }
    
    .tab-navigation {
        grid-template-columns: 1fr;
        gap: 1px;
    }
    
    .tab-btn {
        padding: var(--spacing-sm);
        font-size: 0.75rem;
        min-height: 50px;
        flex-direction: row;
        gap: var(--spacing-xs);
        justify-content: flex-start;
        text-align: left;
    }
    
    .tab-icon {
        font-size: 1rem;
        min-width: 20px;
    }
    
    .battle-input-section,
    .battle-results,
    .optimizer-input,
    .optimizer-results,
    .players-section,
    .continents-section,
    .control-summary,
    .current-turn,
    .player-sequence,
    .game-stats,
    .situation-input,
    .strategy-advice,
    .dice-controls,
    .dice-display,
    .dice-statistics,
    .analytics-card {
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-md);
    }
    
    .army-input {
        flex-direction: row;
        gap: var(--spacing-sm);
    }
    
    .army-btn {
        min-width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .dice-buttons {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .dice-count-btn {
        padding: var(--spacing-sm);
        font-size: 0.8rem;
    }
    
    .simulation-controls {
        gap: var(--spacing-sm);
    }
    
    .roll-btn,
    .simulate-btn,
    .clear-btn {
        padding: var(--spacing-sm);
        font-size: 0.9rem;
    }
    
    .dashboard-controls {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .analytics-btn {
        padding: var(--spacing-sm);
        font-size: 0.9rem;
    }
    
    .army-input input {
        text-align: center;
        padding: var(--spacing-md);
        border: 1px solid var(--border-color);
        border-radius: var(--border-radius);
        background: var(--bg-primary);
    }
}

/* Enhanced Tournament Manager Styles */
.tournament-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto auto;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.status-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
}

.status-card-header h3 {
    margin: 0;
    color: var(--accent-gold);
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.tournament-badge {
    background: linear-gradient(135deg, var(--accent-gold), #b8860b);
    color: var(--bg-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 2px 8px rgba(218, 165, 32, 0.3);
    animation: pulse 2s ease-in-out infinite;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
}

.card-header h3 {
    margin: 0;
    color: var(--accent-gold);
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.participant-counter {
    background: var(--bg-tertiary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    font-weight: 600;
    color: var(--text-primary);
}

.tree-controls {
    display: flex;
    gap: var(--spacing-sm);
}

.match-stats {
    background: var(--bg-tertiary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    font-weight: 600;
    color: var(--text-primary);
}

.tournament-status-card {
    grid-column: 1 / -1;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.tournament-status-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-red), var(--accent-gold));
    animation: shimmer 3s ease-in-out infinite;
}

.tournament-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.info-label {
    font-weight: 600;
    color: var(--text-secondary);
}

.info-value {
    font-weight: 500;
    color: var(--text-primary);
}

.tournament-controls {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.participant-management-card,
.bracket-management-card,
.tournament-tree-card {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    height: fit-content;
    position: relative;
    overflow: hidden;
}

.participant-management-card::before,
.bracket-management-card::before,
.tournament-tree-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-red), var(--accent-gold));
    animation: shimmer 4s ease-in-out infinite;
}

.tournament-tree-card {
    grid-column: 1 / -1;
}

/* Tournament Tree Visualization */
.tournament-tree-container {
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-tertiary);
    min-height: 500px;
    overflow: auto;
    position: relative;
}

.tournament-tree {
    padding: var(--spacing-lg);
    min-height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(218, 165, 32, 0.05) 0%, transparent 70%);
}

.tree-bracket {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xl);
    min-width: 100%;
}

.tree-round {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
    position: relative;
}

.tree-round-title {
    font-size: 1.1rem;
    font-weight: bold;
    color: var(--accent-gold);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.tree-match {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    min-width: 200px;
    position: relative;
    transition: all 0.3s ease;
    margin: var(--spacing-sm) 0;
}

.tree-match:hover {
    border-color: var(--accent-gold);
    transform: scale(1.02);
    box-shadow: 0 4px 15px rgba(218, 165, 32, 0.3);
}

.tree-match.completed {
    border-color: var(--success-color);
    background: linear-gradient(135deg, var(--bg-secondary), rgba(40, 167, 69, 0.1));
}

.tree-match.pending {
    border-color: var(--accent-gold);
    background: linear-gradient(135deg, var(--bg-secondary), rgba(218, 165, 32, 0.1));
    animation: pulse 2s ease-in-out infinite;
}

.tree-match.waiting {
    border-color: var(--text-secondary);
    opacity: 0.7;
}

.tree-participants {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.tree-participant {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}

.tree-participant.winner {
    background: linear-gradient(135deg, var(--accent-gold), #b8860b);
    color: var(--bg-primary);
    font-weight: bold;
    transform: scale(1.05);
}

.tree-participant.loser {
    opacity: 0.6;
    text-decoration: line-through;
}

.tree-participant-name {
    font-weight: 500;
    flex: 1;
}

.tree-participant-seed {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-right: var(--spacing-sm);
}

.tree-match-controls {
    margin-top: var(--spacing-sm);
    display: flex;
    gap: var(--spacing-xs);
    justify-content: center;
}

.tree-winner-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--success-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tree-winner-btn:hover {
    background: #28a745;
    transform: translateY(-1px);
}

/* Tree Connection Lines */
.tree-connections {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.connection-line {
    position: absolute;
    background: var(--border-color);
    transition: all 0.3s ease;
}

.connection-line.active {
    background: var(--accent-gold);
    box-shadow: 0 0 10px rgba(218, 165, 32, 0.5);
}

/* Enhanced Empty States */
.empty-state {
    text-align: center;
    padding: var(--spacing-xxl);
    color: var(--text-secondary);
    background: radial-gradient(circle at 50% 50%, rgba(218, 165, 32, 0.05) 0%, transparent 70%);
    border-radius: var(--border-radius);
    border: 2px dashed var(--border-color);
    margin: var(--spacing-lg) 0;
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.7;
}

.empty-state p {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.empty-state small {
    font-size: 0.9rem;
    opacity: 0.8;
}

.registration-form {
    margin-bottom: var(--spacing-xl);
}

.input-group {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.input-group input {
    flex: 1;
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-family: var(--font-body);
    transition: all 0.3s ease;
}

.input-group input:focus {
    outline: none;
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 2px rgba(218, 165, 32, 0.2);
}

.add-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--accent-gold);
    color: var(--bg-primary);
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.add-btn:hover {
    background: #b8860b;
    transform: translateY(-2px);
}

.registration-controls {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.participants-container h4 {
    color: var(--accent-gold);
    margin-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: var(--spacing-sm);
}

.participants-list {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
}

.bracket-controls {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.bracket-options {
    display: flex;
    gap: var(--spacing-sm);
    margin-left: auto;
}

.bracket-container {
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-tertiary);
    min-height: 400px;
    overflow: auto;
}

.bracket-display {
    padding: var(--spacing-lg);
}

/* Enhanced Button Styles */
.primary-btn {
    background: linear-gradient(135deg, var(--accent-gold), #b8860b);
    color: var(--bg-primary);
    border: none;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    position: relative;
    overflow: hidden;
}

.primary-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.primary-btn:hover::before {
    left: 100%;
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(218, 165, 32, 0.4);
}

.primary-btn:disabled {
    background: var(--text-secondary);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.secondary-btn {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.secondary-btn:hover {
    border-color: var(--accent-gold);
    background: var(--bg-secondary);
    transform: translateY(-1px);
}

.success-btn {
    background: linear-gradient(135deg, var(--success-color), #28a745);
    color: white;
    border: none;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.success-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.4);
}

.success-btn:disabled {
    background: var(--text-secondary);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.danger-btn {
    background: linear-gradient(135deg, var(--danger-color), #dc3545);
    color: white;
    border: none;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.danger-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(220, 53, 69, 0.4);
}

.btn-icon {
    font-size: 1.1rem;
}

/* Tournament Form Styles */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-family: var(--font-body);
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 2px rgba(218, 165, 32, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.modal-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    margin-top: var(--spacing-xl);
}

/* Explanation Panels */
.explanation-panel {
    margin-top: var(--spacing-md);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--bg-tertiary), rgba(218, 165, 32, 0.05));
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.explanation-content h4 {
    color: var(--accent-gold);
    margin: 0 0 var(--spacing-sm) 0;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.explanation-content h4::before {
    content: '💡';
    font-size: 1rem;
}

.explanation-content p {
    color: var(--text-primary);
    margin: 0 0 var(--spacing-md) 0;
    line-height: 1.5;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xs);
}

.feature-list li {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border-left: 3px solid var(--accent-gold);
    font-size: 0.9rem;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.feature-list li:hover {
    background: var(--bg-primary);
    transform: translateX(3px);
}

.feature-list li::before {
    content: '✓';
    color: var(--success-color);
    font-weight: bold;
    margin-right: var(--spacing-xs);
}

.point-breakdown {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.point-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.point-item:hover {
    border-color: var(--accent-gold);
    background: var(--bg-primary);
}

.point-value {
    font-weight: bold;
    color: var(--accent-gold);
    background: var(--bg-tertiary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-family: var(--font-mono);
}

.field-hint {
    display: block;
    margin-top: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-style: italic;
}

/* Game History Styles */
.history-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.tracking-controls-card,
.battle-recording-card,
.player-actions-card,
.quick-stats-card,
.game-history-card,
.advanced-stats-card,
.data-management-card {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.tracking-controls-card::before,
.battle-recording-card::before,
.player-actions-card::before,
.quick-stats-card::before,
.game-history-card::before,
.advanced-stats-card::before,
.data-management-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-red), var(--accent-gold));
    animation: shimmer 4s ease-in-out infinite;
}

.tracking-controls-card {
    grid-column: 1 / -1;
}

.game-history-card,
.advanced-stats-card {
    grid-column: 1 / -1;
}

.setup-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.tracking-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.battle-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.battle-participants {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.battle-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.battle-forces {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.force-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.force-group label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.force-group input {
    padding: var(--spacing-sm);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
}

.action-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.action-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.history-controls {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.history-display,
.stats-display {
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-tertiary);
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.stats-controls {
    display: flex;
    gap: var(--spacing-sm);
}

.data-controls {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-md);
}

.player-summary {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.player-name {
    font-weight: bold;
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
}

.player-stats {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.timeline-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-sm);
    border-left: 3px solid var(--accent-gold);
    margin-bottom: var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.timeline-time {
    font-size: 0.8rem;
    color: var(--text-secondary);
    min-width: 80px;
    font-family: var(--font-mono);
}

.timeline-content {
    flex: 1;
}

.battle-result {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.detail-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.detail-value {
    font-weight: 600;
    color: var(--text-primary);
}

.players-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.player-stat-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    transition: all 0.3s ease;
}

.player-stat-card:hover {
    border-color: var(--accent-gold);
    transform: translateY(-2px);
}

.player-stat-card h5 {
    color: var(--accent-gold);
    margin: 0 0 var(--spacing-md) 0;
}

.player-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.metric {
    text-align: center;
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
}

.metric-value {
    display: block;
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--accent-gold);
    margin-bottom: var(--spacing-xs);
}

.metric-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.achievements {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.achievement-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: linear-gradient(135deg, var(--accent-gold), #b8860b);
    color: var(--bg-primary);
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Responsive History Layout */
@media (max-width: 1024px) {
    .history-grid {
        grid-template-columns: 1fr;
    }
    
    .setup-row,
    .battle-participants,
    .action-details,
    .battle-forces {
        grid-template-columns: 1fr;
    }
    
    .player-metrics {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .tracking-buttons,
    .history-controls,
    .stats-controls,
    .data-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .battle-forces {
        grid-template-columns: 1fr;
    }
    
    .player-stats {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .timeline-item {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .detail-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .tracking-controls-card,
    .battle-recording-card,
    .player-actions-card,
    .quick-stats-card,
    .game-history-card,
    .advanced-stats-card,
    .data-management-card {
        padding: var(--spacing-lg);
    }
    
    .history-display,
    .stats-display {
        max-height: 300px;
    }
    
    .achievements {
        justify-content: center;
    }
}

/* Tournament Statistics Styles */
.tournament-stats-section {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.tournament-stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-red), var(--accent-gold));
    animation: shimmer 4s ease-in-out infinite;
}

.stats-nav {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.stats-tab-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    font-weight: 500;
}

.stats-tab-btn:hover {
    border-color: var(--accent-gold);
    color: var(--text-primary);
}

.stats-tab-btn.active {
    background: var(--accent-gold);
    color: var(--bg-primary);
    border-color: var(--accent-gold);
}

.stats-tab-content {
    display: none;
    margin-top: var(--spacing-lg);
}

.stats-tab-content.active {
    display: block;
}

.tournament-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.stat-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.3s ease;
}

.stat-card:hover {
    border-color: var(--accent-gold);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(218, 165, 32, 0.2);
}

.stat-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.stat-content .stat-value {
    display: block;
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--accent-gold);
    margin-bottom: var(--spacing-xs);
}

.stat-content .stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.records-controls,
.placement-controls,
.history-controls {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.records-list,
.analysis-results,
.history-list {
    max-height: 500px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-tertiary);
    padding: var(--spacing-md);
}

.participant-record-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    transition: all 0.3s ease;
}

.participant-record-card:hover {
    border-color: var(--accent-gold);
    transform: translateY(-2px);
}

.record-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--spacing-sm);
}

.record-rank {
    background: var(--accent-gold);
    color: var(--bg-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    font-weight: bold;
    font-size: 0.8rem;
}

.participant-name {
    flex: 1;
    margin: 0;
    color: var(--text-primary);
}

.achievement-count {
    background: var(--bg-tertiary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.record-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.stat-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
}

.stat-item .stat-value {
    display: block;
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--accent-gold);
    margin-bottom: var(--spacing-xs);
}

.stat-item .stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.performance-metrics {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.metric {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xs);
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
}

.metric-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.metric-value {
    font-weight: bold;
    color: var(--accent-gold);
}

.achievements-section {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
}

.analysis-summary {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.analysis-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.analysis-stat {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
}

.placement-breakdown,
.top-performers {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.placement-chart {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.chart-bar {
    display: grid;
    grid-template-columns: 60px 1fr 40px;
    align-items: center;
    gap: var(--spacing-sm);
}

.bar-label {
    font-size: 0.9rem;
    font-weight: bold;
    color: var(--text-primary);
}

.bar-container {
    background: var(--bg-tertiary);
    border-radius: 10px;
    height: 20px;
    position: relative;
    overflow: hidden;
}

.bar-fill {
    background: linear-gradient(90deg, var(--accent-gold), #b8860b);
    height: 100%;
    border-radius: 10px;
    transition: width 0.8s ease;
}

.bar-value {
    font-size: 0.9rem;
    font-weight: bold;
    color: var(--text-primary);
    text-align: center;
}

.performers-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.performer-item {
    display: grid;
    grid-template-columns: 1fr auto auto;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
}

.performer-name {
    font-weight: bold;
    color: var(--text-primary);
}

.performer-count,
.performer-avg {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.tournament-history-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    transition: all 0.3s ease;
}

.tournament-history-item:hover {
    border-color: var(--accent-gold);
    transform: translateY(-2px);
}

.tournament-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--spacing-sm);
}

.tournament-header h4 {
    margin: 0;
    color: var(--accent-gold);
}

.tournament-date {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.tournament-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xs);
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
}

.detail-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.detail-value {
    font-weight: bold;
    color: var(--text-primary);
}

.detail-value.champion {
    color: var(--accent-gold);
}

.tournament-placements {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
}

.tournament-placements h5 {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--text-primary);
}

.placements-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.placement-item {
    display: grid;
    grid-template-columns: 60px 1fr auto;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs);
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
}

.placement-position {
    font-weight: bold;
    color: var(--accent-gold);
    text-align: center;
}

.placement-name {
    color: var(--text-primary);
}

.placement-category {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
}

/* Responsive Tournament Statistics */
@media (max-width: 1024px) {
    .tournament-stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
    
    .record-stats {
        grid-template-columns: 1fr;
    }
    
    .stat-group {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 768px) {
    .stats-nav {
        flex-wrap: wrap;
    }
    
    .records-controls,
    .placement-controls,
    .history-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .chart-bar {
        grid-template-columns: 40px 1fr 30px;
    }
    
    .performer-item {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .tournament-details {
        grid-template-columns: 1fr;
    }
    
    .placement-item {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .tournament-stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-group {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .analysis-stats {
        grid-template-columns: 1fr;
    }
}

/* Tournament Authentication and Access Control Styles */
.user-auth-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.auth-modal-content {
    background: var(--bg-secondary);
    border: 2px solid var(--accent-gold);
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 500px;
    padding: var(--spacing-xl);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.form-hint {
    display: block;
    margin-top: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-style: italic;
}

.auth-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.tournament-user-info {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.tournament-user-info::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-red), var(--accent-gold));
    animation: shimmer 4s ease-in-out infinite;
}

.user-session-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.user-details {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.user-icon {
    font-size: 1.5rem;
}

.username {
    font-weight: bold;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.user-role {
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.role-participant {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.role-moderator {
    background: #4a90e2;
    color: white;
}

.role-creator {
    background: var(--accent-gold);
    color: var(--bg-primary);
}

.role-admin {
    background: var(--accent-red);
    color: white;
}

.session-controls {
    display: flex;
    gap: var(--spacing-sm);
}

/* Match Control Permission Styles */
.match-controls button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.match-controls button:disabled:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
    transform: none;
}

.permission-denied {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    opacity: 0.6;
    pointer-events: none;
}

/* Result Management Modal Styles */
.match-cancel-modal,
.match-edit-modal,
.audit-log-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.cancel-modal-content,
.edit-modal-content,
.audit-modal-content {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    padding: var(--spacing-xl);
}

.current-result {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    font-weight: 500;
    color: var(--text-primary);
}

.cancel-buttons,
.edit-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.winner-selection {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

.winner-btn {
    flex: 1;
    padding: var(--spacing-lg);
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.winner-btn:hover {
    border-color: var(--accent-gold);
    background: var(--bg-secondary);
}

.winner-btn.selected {
    border-color: var(--accent-gold);
    background: var(--accent-gold);
    color: var(--bg-primary);
}

/* Audit Log Styles */
.audit-controls {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
}

.audit-log-list {
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-tertiary);
    padding: var(--spacing-md);
}

.audit-entry {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.audit-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--spacing-xs);
}

.audit-type {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: bold;
    text-transform: uppercase;
}

.audit-type.result_set {
    background: var(--success-color);
    color: white;
}

.audit-type.result_edited {
    background: #ffa500;
    color: white;
}

.audit-type.result_cancelled {
    background: var(--error-color);
    color: white;
}

.audit-timestamp {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.audit-details {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xs);
    font-size: 0.9rem;
}

.audit-user,
.audit-match,
.audit-previous,
.audit-new,
.audit-reason,
.audit-notes {
    padding: var(--spacing-xs);
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
}

.audit-previous {
    color: var(--error-color);
}

.audit-new {
    color: var(--success-color);
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.3s ease;
}

.close-btn:hover {
    color: var(--accent-gold);
}

/* Access Control Indicators */
.access-restricted::before {
    content: '🔒';
    margin-right: var(--spacing-xs);
    color: var(--error-color);
}

.access-granted::before {
    content: '✓';
    margin-right: var(--spacing-xs);
    color: var(--success-color);
}

.creator-only {
    border-left: 3px solid var(--accent-gold);
    padding-left: var(--spacing-sm);
}

.moderator-access {
    border-left: 3px solid #4a90e2;
    padding-left: var(--spacing-sm);
}

.admin-access {
    border-left: 3px solid var(--accent-red);
    padding-left: var(--spacing-sm);
}

/* Responsive Access Control */
@media (max-width: 768px) {
    .user-session-info {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .user-details {
        flex-direction: column;
        text-align: center;
    }
    
    .auth-buttons,
    .cancel-buttons,
    .edit-buttons {
        flex-direction: column;
    }
    
    .winner-selection {
        flex-direction: column;
    }
    
    .audit-controls {
        flex-direction: column;
        align-items: stretch;
    }
}

@media (max-width: 480px) {
    .auth-modal-content,
    .cancel-modal-content,
    .edit-modal-content,
    .audit-modal-content {
        width: 95%;
        padding: var(--spacing-lg);
    }
    
    .audit-details {
        font-size: 0.8rem;
    }
}

/* Header Authentication Styles */
.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.auth-section {
    display: flex;
    align-items: center;
}

.auth-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.auth-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.auth-btn:hover {
    border-color: var(--accent-gold);
    background: var(--bg-tertiary);
    transform: translateY(-1px);
}

.login-btn {
    border-color: var(--accent-gold);
}

.login-btn:hover {
    background: var(--accent-gold);
    color: var(--bg-primary);
}

.register-btn {
    border-color: var(--accent-red);
}

.register-btn:hover {
    background: var(--accent-red);
    color: white;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm) var(--spacing-md);
    position: relative;
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-primary);
    font-size: 1.2rem;
}

.user-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.user-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.user-role-badge {
    padding: 2px var(--spacing-xs);
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.user-role-badge.participant {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.user-role-badge.moderator {
    background: #4a90e2;
    color: white;
}

.user-role-badge.creator {
    background: var(--accent-gold);
    color: var(--bg-primary);
}

.user-role-badge.admin {
    background: var(--accent-red);
    color: white;
}

.user-menu {
    position: relative;
}

.menu-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.1rem;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}

.menu-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: var(--spacing-xs);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    min-width: 180px;
    z-index: 1000;
    display: none;
}

.user-dropdown.show {
    display: block;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: background 0.3s ease;
    text-align: left;
}

.dropdown-item:hover {
    background: var(--bg-tertiary);
}

.dropdown-item:first-child {
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.dropdown-item:last-child {
    border-radius: 0 0 var(--border-radius) var(--border-radius);
}

.dropdown-icon {
    font-size: 0.8rem;
    opacity: 0.7;
}

/* Responsive Header */
@media (max-width: 768px) {
    .header-content {
        padding: 0 var(--spacing-md);
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .header-right {
        flex-direction: column-reverse;
        gap: var(--spacing-md);
        width: 100%;
    }
    
    .auth-buttons {
        justify-content: center;
    }
    
    .user-profile {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .auth-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .auth-btn {
        justify-content: center;
    }
    
    .user-details {
        text-align: center;
    }
}

/* Header Authentication Modal Styles */
.header-auth-modal,
.permissions-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.header-auth-content,
.permissions-content {
    background: var(--bg-secondary);
    border: 2px solid var(--accent-gold);
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.auth-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 2px solid var(--border-color);
    background: var(--bg-tertiary);
}

.auth-modal-header h3 {
    color: var(--accent-gold);
    margin: 0;
}

.modal-close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.3s ease;
}

.modal-close-btn:hover {
    color: var(--accent-gold);
}

.auth-modal-body {
    padding: var(--spacing-lg);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.auth-form-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.access-codes-info {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.access-codes-info h4 {
    color: var(--text-primary);
    margin: 0 0 var(--spacing-sm) 0;
    font-size: 0.9rem;
}

.code-info {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.register-info {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.register-info p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Permissions Modal Styles */
.permissions-body {
    padding: var(--spacing-lg);
}

.user-summary {
    text-align: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.user-icon-large {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.user-summary h4 {
    color: var(--accent-gold);
    margin: 0 0 var(--spacing-xs) 0;
}

.role-title {
    color: var(--text-secondary);
    font-style: italic;
    margin: 0;
}

.permissions-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-sm);
}

.permission-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: background 0.3s ease;
}

.permission-item.granted {
    background: rgba(76, 175, 80, 0.1);
    border: 1px solid rgba(76, 175, 80, 0.3);
}

.permission-item.denied {
    background: rgba(244, 67, 54, 0.1);
    border: 1px solid rgba(244, 67, 54, 0.3);
}

.permission-icon {
    font-size: 1rem;
}

.permission-label {
    font-size: 0.9rem;
    color: var(--text-primary);
}

/* Tournament Control Updates */
.tournament-controls .btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-color: var(--border-color);
}

.tournament-controls .btn:disabled:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
    transform: none;
    box-shadow: none;
}

.access-level-indicator {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.access-level-indicator.creator-required {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

.access-level-indicator.moderator-required {
    border-color: #4a90e2;
    color: #4a90e2;
}

.access-level-indicator.admin-required {
    border-color: var(--accent-red);
    color: var(--accent-red);
}

/* Responsive Authentication Modals */
@media (max-width: 768px) {
    .header-auth-content,
    .permissions-content {
        width: 95%;
        margin: var(--spacing-md);
    }
    
    .auth-form-buttons {
        flex-direction: column;
    }
    
    .permissions-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .auth-modal-header {
        padding: var(--spacing-md);
    }
    
    .auth-modal-body,
    .permissions-body {
        padding: var(--spacing-md);
    }
    
    .access-codes-info {
        font-size: 0.7rem;
    }
}

/* Tool Navigation Styles */
.tool-navigation {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0;
    position: sticky;
    top: var(--header-height, 80px);
    z-index: 90;
    overflow-x: auto;
    scrollbar-width: thin;
}

.tool-navigation::-webkit-scrollbar {
    height: 4px;
}

.tool-navigation::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

.tool-navigation::-webkit-scrollbar-thumb {
    background: var(--accent-gold);
    border-radius: 2px;
}

.nav-container {
    display: flex;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    min-width: max-content;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
    white-space: nowrap;
    position: relative;
}

.nav-item:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
    border-bottom-color: var(--accent-gold);
}

.nav-item.active {
    color: var(--accent-gold);
    background: var(--bg-tertiary);
    border-bottom-color: var(--accent-gold);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-gold);
}

.nav-icon {
    font-size: 1.1rem;
    opacity: 0.8;
}

.nav-item:hover .nav-icon,
.nav-item.active .nav-icon {
    opacity: 1;
}

/* SEO Page Specific Styles */
.seo-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.seo-page .main-content {
    flex: 1;
}

.seo-page .tab-content {
    display: block !important;
    opacity: 1;
    transform: none;
    animation: none;
}

/* Breadcrumb Navigation */
.breadcrumb-nav {
    padding: var(--spacing-sm) 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--spacing-lg);
}

.breadcrumb-nav a {
    color: var(--accent-gold);
    text-decoration: none;
}

.breadcrumb-nav a:hover {
    text-decoration: underline;
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 var(--spacing-md);
        gap: var(--spacing-xs);
    }
    
    .nav-item {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.8rem;
        flex-direction: column;
        gap: var(--spacing-xs);
        text-align: center;
        min-width: 80px;
    }
    
    .nav-icon {
        font-size: 1.2rem;
    }
    
    .tool-navigation {
        top: calc(var(--header-height, 120px));
    }
}

@media (max-width: 480px) {
    .nav-item {
        min-width: 70px;
        padding: var(--spacing-sm);
    }
    
    .nav-item span:not(.nav-icon) {
        font-size: 0.7rem;
    }
}

/* Meta Description and SEO Elements */
.seo-meta {
    display: none;
}

/* Print Styles for SEO */
@media print {
    .tool-navigation,
    .auth-section,
    .header-stats {
        display: none;
    }
    
    .main-content {
        padding: 0;
        max-width: none;
    }
    
    .tool-header h2 {
        color: #000;
    }
}

/* Responsive Tournament Layout */
@media (max-width: 1024px) {
    .tournament-grid {
        grid-template-columns: 1fr;
    }
    
    .tournament-controls {
        justify-content: center;
    }
    
    .bracket-options {
        margin-left: 0;
        margin-top: var(--spacing-sm);
    }
}

@media (max-width: 768px) {
    .tournament-info {
        grid-template-columns: 1fr;
    }
    
    .tournament-controls,
    .registration-controls,
    .bracket-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .bracket-options {
        margin-left: 0;
    }
    
    .input-group {
        flex-direction: column;
    }
    
    .modal-buttons {
        flex-direction: column;
    }
    
    .tournament-modal-content {
        width: 95%;
        margin: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .tournament-status-card,
    .participant-management-card,
    .bracket-management-card {
        padding: var(--spacing-lg);
    }
    
    .primary-btn,
    .secondary-btn,
    .success-btn,
    .danger-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.9rem;
    }
    
    .participants-list {
        max-height: 200px;
    }
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.text-success {
    color: var(--success-green);
}

.text-warning {
    color: var(--accent-gold);
}

.text-danger {
    color: var(--primary-red);
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

/* Authentication Modal Styles */
.header-auth-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.header-auth-content {
    background: var(--bg-primary);
    border-radius: 12px;
    padding: var(--spacing-xl);
    max-width: 450px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    border: 2px solid var(--border-color);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.auth-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--spacing-md);
}

.auth-modal-header h3 {
    color: var(--accent-gold);
    font-family: var(--font-heading);
    margin: 0;
}

.modal-close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.modal-close-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.auth-form .form-group {
    margin-bottom: var(--spacing-lg);
}

.auth-form label {
    display: block;
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    font-size: 0.95rem;
}

.auth-form input[type="text"],
.auth-form input[type="password"],
.auth-form input[type="email"] {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.auth-form input:focus {
    outline: none;
    border-color: var(--accent-gold);
    background: var(--bg-primary);
    box-shadow: 0 0 0 3px rgba(218, 165, 32, 0.1);
}

.auth-form-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.auth-form-buttons .primary-btn,
.auth-form-buttons .secondary-btn {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.auth-form-buttons .primary-btn {
    background: var(--accent-gold);
    color: var(--bg-primary);
    border-color: var(--accent-gold);
}

.auth-form-buttons .primary-btn:hover {
    background: #ffd700;
    border-color: #ffd700;
    transform: translateY(-2px);
}

.auth-form-buttons .secondary-btn {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--border-color);
}

.auth-form-buttons .secondary-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

.auth-info {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.auth-info a {
    color: var(--accent-gold);
    text-decoration: none;
    font-weight: 500;
}

.auth-info a:hover {
    text-decoration: underline;
}

/* User Settings Modal Styles */
.user-settings-section {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.user-settings-section h4 {
    color: var(--accent-gold);
    margin-bottom: var(--spacing-lg);
    font-family: var(--font-heading);
}

.setting-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
    gap: var(--spacing-md);
}

.setting-item label {
    font-weight: 500;
    color: var(--text-primary);
    min-width: 120px;
}

.setting-item input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.setting-item input:focus {
    outline: none;
    border-color: var(--accent-gold);
    background: var(--bg-primary);
}

.role-display {
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.9rem;
}

.role-display.admin {
    background: rgba(139, 0, 0, 0.2);
    color: #ff6b6b;
}

.role-display.creator {
    background: rgba(218, 165, 32, 0.2);
    color: var(--accent-gold);
}

.role-display.moderator {
    background: rgba(74, 144, 226, 0.2);
    color: #74a9e2;
}

.role-display.participant {
    background: rgba(47, 79, 79, 0.2);
    color: var(--text-secondary);
}

.permissions-section h4 {
    color: var(--accent-gold);
    margin-bottom: var(--spacing-lg);
    font-family: var(--font-heading);
}

.permissions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-sm);
}

.permission-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: 6px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.permission-item.granted {
    background: rgba(76, 175, 80, 0.1);
    border-color: rgba(76, 175, 80, 0.3);
}

.permission-item.denied {
    background: rgba(244, 67, 54, 0.1);
    border-color: rgba(244, 67, 54, 0.3);
}

.permission-icon {
    font-size: 0.9rem;
}

.permission-label {
    font-size: 0.9rem;
    color: var(--text-primary);
}

/* Mobile Navigation Optimization */
@media (max-width: 768px) {
    .app-header {
        padding: var(--spacing-md);
    }
    
    .app-title {
        font-size: 1.75rem;
    }
    
    .header-stats {
        display: none;
    }
    
    .nav-scroll {
        padding: 0 5px;
    }
    
    .tab-btn {
        min-width: 110px;
        font-size: 0.85rem;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .nav-item {
        min-width: 110px;
        font-size: 0.85rem;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .main-content {
        padding: var(--spacing-lg);
    }
    
    .control-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.875rem;
    }
    
    .battle-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .optimizer-layout {
        flex-direction: column;
    }
    
    .optimization-controls,
    .optimization-results {
        flex: none;
        width: 100%;
    }
}

@media (max-width: 480px) {
    .tab-btn {
        min-width: 100px;
        font-size: 0.8rem;
        padding: var(--spacing-sm);
    }
    
    .nav-item {
        min-width: 100px;
        font-size: 0.8rem;
        padding: var(--spacing-sm);
    }
    
    .nav-icon {
        font-size: 1rem;
    }
    
    .app-title {
        font-size: 1.5rem;
    }
}

/* Tournament Manager Optimizations */
.quick-actions-bar {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.quick-actions-bar::-webkit-scrollbar {
    display: none;
}

.quick-action-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    white-space: nowrap;
    min-width: 120px;
    justify-content: center;
    cursor: pointer;
}

.quick-action-btn.primary {
    background: var(--accent-gold);
    color: var(--bg-primary);
    border-color: var(--accent-gold);
}

.quick-action-btn.primary:hover {
    background: var(--accent-gold);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(218, 165, 32, 0.3);
}

.quick-action-btn.secondary:hover {
    background: var(--bg-primary);
    border-color: var(--accent-gold);
    transform: translateY(-2px);
}

.tournament-dashboard {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.dashboard-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0;
    transition: all 0.3s ease;
}

.dashboard-card:hover {
    border-color: var(--accent-gold);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.card-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title h3 {
    margin: 0;
    color: var(--accent-gold);
    font-family: var(--font-heading);
}

.card-content {
    padding: var(--spacing-lg);
}

.tournament-overview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.overview-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.overview-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.overview-value {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 500;
}

.status-indicator {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    width: fit-content;
}

.tournament-actions {
    display: flex;
    gap: var(--spacing-md);
}

.action-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.action-btn.success {
    border-color: var(--success-green);
    color: var(--success-green);
}

.action-btn.success:hover:not(:disabled) {
    background: var(--success-green);
    color: white;
}

.action-btn.danger {
    border-color: var(--primary-red);
    color: var(--primary-red);
}

.action-btn.danger:hover:not(:disabled) {
    background: var(--primary-red);
    color: white;
}

.action-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.registration-section {
    margin-bottom: var(--spacing-xl);
}

.input-row {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.participant-input {
    flex: 1;
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.participant-input:focus {
    outline: none;
    border-color: var(--accent-gold);
    background: var(--bg-secondary);
}

.add-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid var(--accent-gold);
    border-radius: var(--border-radius);
    background: var(--accent-gold);
    color: var(--bg-primary);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.add-btn:hover {
    background: transparent;
    color: var(--accent-gold);
}

.bulk-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.bulk-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.bulk-btn:hover {
    background: var(--bg-primary);
    border-color: var(--accent-gold);
}

.bulk-btn.danger {
    border-color: var(--primary-red);
    color: var(--primary-red);
}

.bulk-btn.danger:hover {
    background: var(--primary-red);
    color: white;
}

.participants-section {
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-lg);
}

.participants-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
}

.participants-header h4 {
    margin: 0;
    color: var(--text-primary);
}

.participants-filters {
    display: flex;
    gap: var(--spacing-xs);
}

.filter-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--accent-gold);
    color: var(--bg-primary);
    border-color: var(--accent-gold);
}

.participants-grid {
    min-height: 200px;
}

.tournament-badge {
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    background: var(--bg-primary);
    color: var(--accent-gold);
    border: 1px solid var(--accent-gold);
}

.participant-counter {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Tournament Manager Mobile Optimizations */
@media (max-width: 768px) {
    .quick-actions-bar {
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
    }
    
    .quick-action-btn {
        min-width: 100px;
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.9rem;
    }
    
    .tournament-dashboard {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .tournament-overview {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .tournament-actions {
        flex-direction: column;
    }
    
    .input-row {
        flex-direction: column;
    }
    
    .bulk-actions {
        justify-content: center;
    }
    
    .participants-header {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: flex-start;
    }
}