/* CSS Variables for consistent theming */
:root {
    /* Modern Color Scheme - Dark Blue, White, Fresh Accent */
    --primary-color: #2563eb; /* Modern blue */
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary-color: #0ea5e9; /* Sky blue */
    --secondary-dark: #0284c7;
    --accent-color: #10b981; /* Fresh green accent */
    --accent-hover: #059669;
    --danger-color: #ef4444;
    --danger-dark: #dc2626;
    --success-color: #10b981;
    --error-color: #ef4444;
    
    /* Dark Blue Theme Colors */
    --dark-blue-900: #0f172a;
    --dark-blue-800: #1e293b;
    --dark-blue-700: #334155;
    --dark-blue-600: #475569;
    
    /* White & Light Colors */
    --white: #ffffff;
    --white-90: rgba(255, 255, 255, 0.9);
    --white-80: rgba(255, 255, 255, 0.8);
    --white-70: rgba(255, 255, 255, 0.7);
    --white-50: rgba(255, 255, 255, 0.5);
    --white-30: rgba(255, 255, 255, 0.3);
    --white-20: rgba(255, 255, 255, 0.2);
    --white-10: rgba(255, 255, 255, 0.1);
    --white-5: rgba(255, 255, 255, 0.05);

    /* Modern Gradients */
    --gradient-main: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    --gradient-host: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
    --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --gradient-card: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);

    /* Typography */
    --font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-size-xs: 0.75rem;    /* 12px */
    --font-size-sm: 0.875rem;   /* 14px */
    --font-size-base: 1rem;     /* 16px */
    --font-size-lg: 1.125rem;   /* 18px */
    --font-size-xl: 1.25rem;    /* 20px */
    --font-size-2xl: 1.5rem;    /* 24px */
    --font-size-3xl: 1.875rem;  /* 30px */
    --font-size-4xl: 2.25rem;   /* 36px */
    --font-size-5xl: 3rem;      /* 48px */

    /* Spacing */
    --spacing-xs: 0.5rem;   /* 8px */
    --spacing-sm: 0.75rem;  /* 12px */
    --spacing-md: 1rem;     /* 16px */
    --spacing-lg: 1.5rem;   /* 24px */
    --spacing-xl: 2rem;     /* 32px */
    --spacing-2xl: 2.5rem;  /* 40px */
    --spacing-3xl: 3rem;    /* 48px */

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Modern Shadows - Soft and Elegant */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.25);
    --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.3);
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(255, 255, 255, 0.1);
    --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(16, 185, 129, 0.3);
}

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

/* Prevent zoom on mobile */
html {
    touch-action: manipulation;
    -ms-touch-action: manipulation;
    -webkit-text-size-adjust: 100%;
}

/* Base Styles */
body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    background: var(--gradient-main);
    background-attachment: fixed;
    min-height: 100vh;
    min-height: -webkit-fill-available;
    overflow: hidden;
    color: var(--white);
    line-height: 1.6;
    touch-action: manipulation;
    -ms-touch-action: manipulation;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    /* Safe area for notch/home indicator */
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
}

/* Container */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

/* Typography */
h1 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

h2 {
    font-size: var(--font-size-3xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

/* Buttons - Modern Card Style */
.btn {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: var(--font-family);
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
}

.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;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    transform: translateY(-3px);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--accent-color);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--secondary-color) 100%);
    transform: translateY(-3px);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--accent-color);
}

.btn-large {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-xl);
}

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

.btn:active:not(:disabled) {
    transform: translateY(0);
}

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

/* ===== SCREEN TRANSITIONS ===== */
.screen {
    animation: fadeSlideIn 0.4s ease-out;
}

@keyframes fadeSlideIn {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.screen.screen-exit {
    animation: fadeSlideOut 0.3s ease-in forwards;
}

@keyframes fadeSlideOut {
    0% {
        opacity: 1;
        transform: translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateY(-20px);
    }
}

/* ===== ENHANCED ANSWER FEEDBACK ===== */
.answer-box.correct {
    border-color: var(--success-color) !important;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.4) 0%, rgba(16, 185, 129, 0.25) 100%) !important;
    border-width: 3px;
    box-shadow: 0 0 30px rgba(16, 185, 129, 0.6), inset 0 0 20px rgba(16, 185, 129, 0.2);
    animation: correctPulse 0.6s ease-out, correctGlow 1.5s ease-in-out infinite;
}

@keyframes correctPulse {
    0% { transform: scale(1); }
    30% { transform: scale(1.08); }
    60% { transform: scale(0.98); }
    100% { transform: scale(1); }
}

@keyframes correctGlow {
    0%, 100% { box-shadow: 0 0 30px rgba(16, 185, 129, 0.6), inset 0 0 20px rgba(16, 185, 129, 0.2); }
    50% { box-shadow: 0 0 50px rgba(16, 185, 129, 0.8), inset 0 0 30px rgba(16, 185, 129, 0.3); }
}

.answer-box.wrong {
    border-color: var(--error-color) !important;
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.4) 0%, rgba(239, 68, 68, 0.25) 100%) !important;
    box-shadow: 0 0 30px rgba(239, 68, 68, 0.5);
    animation: wrongShake 0.5s ease-out;
}

@keyframes wrongShake {
    0%, 100% { transform: translateX(0); }
    10% { transform: translateX(-12px) rotate(-1deg); }
    20% { transform: translateX(10px) rotate(1deg); }
    30% { transform: translateX(-8px) rotate(-0.5deg); }
    40% { transform: translateX(8px) rotate(0.5deg); }
    50% { transform: translateX(-5px); }
    60% { transform: translateX(5px); }
    70% { transform: translateX(-3px); }
    80% { transform: translateX(3px); }
    90% { transform: translateX(-1px); }
}

/* Answer selected state (before reveal) */
.answer-box.selected, .answer-player-btn.selected {
    border-color: var(--accent-color) !important;
    background: rgba(16, 185, 129, 0.25) !important;
    transform: scale(1.02);
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.4);
}

/* Answer player button feedback */
.answer-player-btn.correct {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.5) 0%, rgba(16, 185, 129, 0.3) 100%) !important;
    border-color: var(--success-color) !important;
    animation: correctPulse 0.6s ease-out;
}

.answer-player-btn.wrong {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.5) 0%, rgba(239, 68, 68, 0.3) 100%) !important;
    border-color: var(--error-color) !important;
    animation: wrongShake 0.5s ease-out;
}

/* ===== TIMER URGENCY STATES ===== */
.countdown.timer-normal {
    color: var(--accent-color);
    text-shadow: 0 2px 8px rgba(16, 185, 129, 0.5);
}

.countdown.timer-warning {
    color: #f59e0b;
    text-shadow: 0 2px 12px rgba(245, 158, 11, 0.6);
    animation: timerPulseWarning 0.8s ease-in-out infinite;
}

.countdown.timer-danger {
    color: var(--error-color);
    text-shadow: 0 2px 15px rgba(239, 68, 68, 0.7);
    animation: timerPulseDanger 0.4s ease-in-out infinite;
}

@keyframes timerPulseWarning {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.08); }
}

@keyframes timerPulseDanger {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.15); opacity: 0.9; }
}

/* Timer countdown large (player view) */
.countdown-large.timer-warning {
    color: #f59e0b !important;
    animation: timerPulseWarning 0.8s ease-in-out infinite;
}

.countdown-large.timer-danger {
    color: var(--error-color) !important;
    animation: timerPulseDanger 0.4s ease-in-out infinite;
}

/* ===== PROGRESS BAR ENHANCEMENTS ===== */
.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color), var(--primary-color));
    background-size: 200% 100%;
    width: 0%;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    animation: progress-shimmer 2s linear infinite;
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.6);
    border-radius: 0 2px 2px 0;
}

/* Quiz Progress Bar (answer time) */
#quizProgressBarFill {
    transition: width 0.1s linear !important;
}

#quizProgressBarFill.progress-warning {
    background: linear-gradient(90deg, #f59e0b, #fbbf24) !important;
}

#quizProgressBarFill.progress-danger {
    background: linear-gradient(90deg, var(--error-color), #f87171) !important;
    animation: progressPulseDanger 0.3s ease-in-out infinite;
}

@keyframes progressPulseDanger {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* ===== FLOATING POINTS ANIMATION ===== */
.floating-points {
    position: fixed;
    font-size: 2.5rem;
    font-weight: 800;
    pointer-events: none;
    z-index: 10000;
    animation: floatUp 1.5s ease-out forwards;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.floating-points.positive {
    color: var(--success-color);
}

.floating-points.negative {
    color: var(--error-color);
}

@keyframes floatUp {
    0% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    50% {
        opacity: 1;
        transform: translateY(-40px) scale(1.2);
    }
    100% {
        opacity: 0;
        transform: translateY(-80px) scale(0.8);
    }
}

/* ===== CONFETTI BURST ===== */
.confetti-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    overflow: hidden;
}

.confetti-piece {
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--accent-color);
    animation: confettiFall 3s ease-out forwards;
}

@keyframes confettiFall {
    0% {
        opacity: 1;
        transform: translateY(-100%) rotate(0deg);
    }
    100% {
        opacity: 0;
        transform: translateY(100vh) rotate(720deg);
    }
}

/* ===== CARD ENTRANCE ANIMATIONS ===== */
.player-card {
    animation: cardEnter 0.3s ease-out;
}

@keyframes cardEnter {
    0% {
        opacity: 0;
        transform: translateY(20px) scale(0.9);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.category-card {
    animation: cardEnter 0.3s ease-out;
    animation-fill-mode: both;
}

/* Staggered animation for category cards */
.category-card:nth-child(1) { animation-delay: 0.05s; }
.category-card:nth-child(2) { animation-delay: 0.1s; }
.category-card:nth-child(3) { animation-delay: 0.15s; }
.category-card:nth-child(4) { animation-delay: 0.2s; }
.category-card:nth-child(5) { animation-delay: 0.25s; }

/* ===== ROUND INDICATOR ENHANCEMENT ===== */
.round-indicator {
    position: fixed;
    top: 10px;
    right: 10px;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 41, 59, 0.95) 100%);
    backdrop-filter: blur(15px);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--accent-color);
    z-index: 10000;
    border: 2px solid var(--accent-color);
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.3), var(--shadow-lg);
    text-shadow: 0 2px 8px rgba(16, 185, 129, 0.5);
    animation: roundIndicatorPulse 2s ease-in-out infinite;
}

@keyframes roundIndicatorPulse {
    0%, 100% { box-shadow: 0 0 20px rgba(16, 185, 129, 0.3), var(--shadow-lg); }
    50% { box-shadow: 0 0 35px rgba(16, 185, 129, 0.5), var(--shadow-xl); }
}

/* ===== SCOREBOARD ANIMATIONS ===== */
.scoreboard-row {
    animation: scoreboardSlideIn 0.4s ease-out;
    animation-fill-mode: both;
}

.scoreboard-row:nth-child(1) { animation-delay: 0.1s; }
.scoreboard-row:nth-child(2) { animation-delay: 0.2s; }
.scoreboard-row:nth-child(3) { animation-delay: 0.3s; }
.scoreboard-row:nth-child(4) { animation-delay: 0.4s; }
.scoreboard-row:nth-child(5) { animation-delay: 0.5s; }
.scoreboard-row:nth-child(6) { animation-delay: 0.6s; }
.scoreboard-row:nth-child(7) { animation-delay: 0.7s; }
.scoreboard-row:nth-child(8) { animation-delay: 0.8s; }

@keyframes scoreboardSlideIn {
    0% {
        opacity: 0;
        transform: translateX(-30px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Point change animation in scoreboard */
.point-change {
    display: inline-block;
    animation: pointBounce 0.6s ease-out;
}

.point-change.positive {
    color: var(--success-color);
}

.point-change.negative {
    color: var(--error-color);
}

@keyframes pointBounce {
    0% { transform: scale(0); opacity: 0; }
    50% { transform: scale(1.3); }
    100% { transform: scale(1); opacity: 1; }
}

/* ===== WINNER SCREEN ENHANCEMENT ===== */
.winner-content {
    position: relative;
}

.winner-content::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: winnerGlow 2s ease-in-out infinite;
    z-index: 0;
}

@keyframes winnerGlow {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.3); opacity: 0.8; }
}

.winner-content > * {
    position: relative;
    z-index: 1;
}

.winner-content h1 {
    animation: winnerTitle 1s ease-out, winnerTitlePulse 2s ease-in-out 1s infinite;
}

@keyframes winnerTitle {
    0% { transform: scale(0); opacity: 0; }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); opacity: 1; }
}

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

/* Trophy bounce */
.winner-trophy {
    display: inline-block;
    animation: trophyBounce 1s ease-out, trophyFloat 2s ease-in-out 1s infinite;
}

@keyframes trophyBounce {
    0% { transform: translateY(-100px) scale(0); opacity: 0; }
    60% { transform: translateY(20px) scale(1.1); opacity: 1; }
    80% { transform: translateY(-10px) scale(0.95); }
    100% { transform: translateY(0) scale(1); }
}

@keyframes trophyFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* ===== MYSTERY BOX ANIMATION ===== */
.mystery-box-animation {
    animation: boxShake 0.5s ease-in-out infinite;
}

@keyframes boxShake {
    0%, 100% { transform: rotate(-5deg); }
    50% { transform: rotate(5deg); }
}

.mystery-box-open {
    animation: boxOpen 0.8s ease-out forwards;
}

@keyframes boxOpen {
    0% { transform: scale(1) rotate(0deg); }
    30% { transform: scale(1.3) rotate(10deg); }
    60% { transform: scale(0.8) rotate(-5deg); }
    100% { transform: scale(1) rotate(0deg); }
}

.mystery-box-result {
    animation: resultReveal 0.5s ease-out;
}

@keyframes resultReveal {
    0% { opacity: 0; transform: scale(0.5); }
    50% { transform: scale(1.2); }
    100% { opacity: 1; transform: scale(1); }
}

/* ===== DAGGER ANIMATION ===== */
.dagger-icon {
    display: inline-block;
    animation: daggerFloat 2s ease-in-out infinite;
}

@keyframes daggerFloat {
    0%, 100% { transform: translateY(0) rotate(-10deg); }
    50% { transform: translateY(-8px) rotate(10deg); }
}

.dagger-received {
    animation: daggerStrike 0.5s ease-out;
}

@keyframes daggerStrike {
    0% { transform: translateY(-50px) rotate(-45deg); opacity: 0; }
    60% { transform: translateY(5px) rotate(5deg); opacity: 1; }
    100% { transform: translateY(0) rotate(0deg); }
}

/* ===== MINI-GAME BUTTON ENHANCEMENTS ===== */
.tap-button {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    border: 3px solid var(--white-30);
    color: var(--white);
    font-weight: 700;
    transition: all 0.15s ease-out;
    box-shadow: var(--shadow-lg);
}

.tap-button:active {
    transform: scale(0.95);
    box-shadow: var(--shadow-sm);
}

.tap-button:hover:not(:disabled) {
    transform: scale(1.05);
    box-shadow: 0 0 30px rgba(16, 185, 129, 0.5);
    border-color: var(--accent-color);
}

/* ===== LOADING SPINNER ENHANCEMENT ===== */
.spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--white-20);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spinnerRotate 0.8s linear infinite;
    margin: var(--spacing-2xl) auto;
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.3);
}

@keyframes spinnerRotate {
    to { transform: rotate(360deg); }
}

@keyframes progress-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

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

/* Welcome/Index Screen - Modern Card Design */
.welcome-screen {
    text-align: center;
    padding: var(--spacing-xl);
    height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
}

.welcome-screen::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.welcome-screen h1 {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-sm);
}

.welcome-screen h2 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.menu-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    max-width: 400px;
    margin: 0 auto var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.game-code-input {
    width: 100%;
    max-width: 400px;
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    text-align: center;
    border: 2px solid var(--white-30);
    border-radius: var(--radius-xl);
    margin: var(--spacing-md) auto;
    display: block;
    text-transform: uppercase;
    background: var(--gradient-card);
    backdrop-filter: blur(10px);
    color: var(--white);
    font-family: var(--font-family);
    letter-spacing: 0.2rem;
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
}

.game-code-input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: var(--shadow-card-hover);
    background: rgba(255, 255, 255, 0.15);
}

.game-code-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 0.2rem;
}

/* Host View */
.host-view {
    background: var(--gradient-host);
}

/* Round Indicator - Modern Card */
.round-indicator {
    position: fixed;
    top: 10px;
    right: 10px;
    background: var(--gradient-card);
    backdrop-filter: blur(15px);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--accent-color);
    z-index: 10000;
    border: 2px solid var(--accent-color);
    box-shadow: var(--shadow-lg);
    text-shadow: 0 2px 8px rgba(16, 185, 129, 0.5);
}

/* Player Status Bar - Modern Design */
.player-status-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.98) 0%, rgba(30, 41, 59, 0.98) 100%);
    backdrop-filter: blur(20px);
    padding: var(--spacing-xs) var(--spacing-sm);
    padding-top: calc(var(--spacing-xs) + env(safe-area-inset-top));
    padding-left: calc(var(--spacing-sm) + env(safe-area-inset-left));
    padding-right: calc(var(--spacing-sm) + env(safe-area-inset-right));
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    justify-content: center;
    flex-wrap: nowrap;
    z-index: 9999;
    border-bottom: 2px solid var(--accent-color);
    box-shadow: var(--shadow-lg);
    height: calc(50px + env(safe-area-inset-top));
    overflow: hidden;
}

.player-status-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--gradient-card);
    backdrop-filter: blur(10px);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    border: 1px solid var(--white-20);
    font-size: var(--font-size-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    box-shadow: var(--shadow-card);
}

.player-status-item:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-card-hover);
}

.player-status-avatar {
    font-size: var(--font-size-xl);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    display: inline-block;
}

.player-status-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

.player-status-name {
    font-weight: 700;
    font-size: var(--font-size-sm);
}

.player-status-points {
    color: var(--accent-color);
    font-weight: 700;
    font-size: var(--font-size-base);
}

/* Screens */
.screen {
    position: fixed;
    top: calc(50px + env(safe-area-inset-top));
    left: 0;
    right: 0;
    bottom: 0;
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--spacing-md);
    padding-top: var(--spacing-lg);
    padding-bottom: calc(var(--spacing-lg) + env(safe-area-inset-bottom));
    display: flex;
    flex-direction: column;
    background: var(--gradient-main);
}

/* Host screens use host gradient */
.host-view .screen {
    background: var(--gradient-host);
}

/* Ensure content fits in viewport */
.selection-content,
.result-content,
.winner-content,
.spectator-content,
.challenger-display {
    max-height: calc(100vh - 150px);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: var(--spacing-md);
}

/* Player card large - scale to fit */
.player-card-large {
    max-width: 300px;
    text-align: center;
}

.player-card-large .player-avatar {
    width: clamp(80px, 15vh, 150px) !important;
    height: clamp(80px, 15vh, 150px) !important;
}

/* Mystery Box screen - ensure all visible */
#mysteryBoxOpenScreen .selection-content {
    justify-content: center;
    min-height: auto;
    max-height: calc(100vh - 120px);
    padding: var(--spacing-sm);
}

#mysteryBoxOpenScreen .challenger-display {
    gap: var(--spacing-sm);
}

#mysteryBoxAnimation {
    font-size: clamp(2em, 8vh, 4em) !important;
}

#mysteryBoxResult {
    font-size: clamp(1.2em, 4vh, 2em) !important;
}

/* Category confirm screen - scale nicely */
#categoryConfirmScreen .selection-content {
    height: calc(100vh - 150px);
    justify-content: center;
}

#selectedCategoryDisplay {
    font-size: clamp(2.5em, 10vh, 5em) !important;
}

#selectedCategoryName {
    font-size: clamp(1.5em, 5vh, 2.5em) !important;
}

#selectedCategoryMultiplier {
    font-size: clamp(1.2em, 4vh, 2em) !important;
}

/* Quiz screen - fit on viewport */
.quiz-content {
    max-height: calc(100vh - 80px);
    overflow-y: auto;
}

.quiz-player-content {
    max-height: calc(100vh - 80px);
    overflow-y: auto;
    padding-bottom: var(--spacing-xl);
}

/* Scoreboard - scrollable if needed */
#scoreboardInfo {
    max-height: calc(100vh - 280px);
    overflow-y: auto;
}

/* Buttons always visible at bottom */
.btn-large {
    flex-shrink: 0;
}

.host-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
    flex-shrink: 0;
}

.player-header {
    text-align: center;
    margin-bottom: var(--spacing-xs);
    flex-shrink: 0;
}

.player-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs);
    flex-wrap: wrap;
}

.game-code-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    font-size: var(--font-size-xl);
    margin-top: var(--spacing-lg);
}

.game-code {
    background: linear-gradient(135deg, var(--white) 0%, rgba(255, 255, 255, 0.95) 100%);
    color: var(--dark-blue-900);
    padding: var(--spacing-md) var(--spacing-2xl);
    border-radius: var(--radius-xl);
    font-weight: 700;
    font-size: var(--font-size-4xl);
    letter-spacing: 0.3rem;
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--accent-color);
    position: relative;
    overflow: hidden;
}

.game-code::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(16, 185, 129, 0.2), transparent);
    animation: shimmer-code 3s infinite;
}

@keyframes shimmer-code {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Progress Bar */
.progress-bar-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--white-10);
    z-index: 10001;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color), var(--primary-color));
    background-size: 200% 100%;
    width: 0%;
    transition: width 0.3s ease;
    animation: progress-shimmer 2s linear infinite;
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.5);
}

@keyframes progress-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Players Grid - Card Based Layout */
.players-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-xs) 0;
    flex: 1;
    overflow: hidden;
    align-content: start;
    grid-auto-rows: min-content;
}

.player-card {
    background: var(--gradient-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--white-20);
    border-radius: var(--radius-xl);
    padding: var(--spacing-md);
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
}

.player-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.player-card:hover {
    transform: translateY(-8px) scale(1.02);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--accent-color);
}

.player-card:hover::before {
    transform: scaleX(1);
}

.player-card-large {
    background: var(--gradient-card);
    backdrop-filter: blur(15px);
    border: 2px solid var(--white-30);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    text-align: center;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
}

.player-card-large:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-color);
}

.player-avatar {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-xs);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    display: inline-block;
}

.player-avatar-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

.player-name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: 0;
}

.player-points {
    font-size: var(--font-size-sm);
    color: var(--accent-color);
    font-weight: 700;
    text-shadow: 0 2px 8px rgba(16, 185, 129, 0.5);
}

/* Lobby - Card Based */
.lobby-content {
    max-width: 900px;
    margin: 0 auto;
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
    min-height: 0;
}

.lobby-controls {
    text-align: center;
    margin-top: var(--spacing-md);
    padding: var(--spacing-xl);
    background: var(--gradient-card);
    backdrop-filter: blur(15px);
    border: 1px solid var(--white-20);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
}

.lobby-controls label {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-right: var(--spacing-sm);
}

.lobby-controls select {
    font-size: var(--font-size-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 2px solid var(--white-30);
    background: var(--gradient-card);
    backdrop-filter: blur(10px);
    color: var(--white);
    font-family: var(--font-family);
    cursor: pointer;
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
}

.lobby-controls select:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-card-hover);
}

.lobby-controls select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: var(--shadow-card-hover);
}

.lobby-controls select option {
    background: #2a5298;
    color: white;
}

/* Category Grid - Card Based */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--spacing-md);
    padding: var(--spacing-sm);
    flex: 1;
    overflow: hidden;
    align-content: start;
    grid-auto-rows: min-content;
}

.category-card {
    background: var(--gradient-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--white-20);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
}

.category-card::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.3) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.category-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-8px) scale(1.05);
    border-color: var(--accent-color);
    box-shadow: var(--shadow-card-hover);
}

.category-card:hover::after {
    width: 300px;
    height: 300px;
}

.category-icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-xs);
}

.category-name {
    font-size: var(--font-size-base);
    font-weight: 600;
}

/* Quiz - Modern Card Design */
.quiz-content {
    max-width: 1000px;
    margin: 0 auto;
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 0;
}

.question-box {
    background: var(--gradient-card);
    backdrop-filter: blur(15px);
    border: 2px solid var(--white-20);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    margin: var(--spacing-md) 0;
    text-align: center;
    box-shadow: var(--shadow-lg);
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
}

.question-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color), var(--primary-color));
    background-size: 200% 100%;
    animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.question-box h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
    line-height: 1.2;
}

.countdown {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--accent-color);
    margin: var(--spacing-xs) 0;
    text-shadow: 0 2px 8px rgba(16, 185, 129, 0.5), 0 0 20px rgba(16, 185, 129, 0.3);
    animation: pulse-countdown 1s ease-in-out infinite;
}

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

.countdown-large {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    color: var(--accent-color);
    margin: var(--spacing-lg) 0;
    text-shadow: 0 4px 16px rgba(16, 185, 129, 0.6), 0 0 30px rgba(16, 185, 129, 0.4);
    animation: pulse-countdown 1s ease-in-out infinite;
}

.answers-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xs);
    padding: var(--spacing-xs);
    flex: 1;
    align-content: start;
    overflow: hidden;
}

.answer-box {
    background: var(--gradient-card);
    backdrop-filter: blur(10px);
    border: 2px solid var(--white-20);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    font-size: var(--font-size-base);
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-card);
    cursor: pointer;
}

.answer-box:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--accent-color);
    box-shadow: var(--shadow-card-hover);
}

.answer-box.correct {
    border-color: var(--success-color);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.3) 0%, rgba(16, 185, 129, 0.2) 100%);
    border-width: 3px;
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.5);
    animation: correct-pulse 0.5s ease;
}

@keyframes correct-pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.answer-box.wrong {
    border-color: var(--error-color);
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.3) 0%, rgba(239, 68, 68, 0.2) 100%);
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.5);
    animation: wrong-shake 0.5s ease;
}

@keyframes wrong-shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

/* Player Answer Buttons */
.answers-player-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    flex: 1;
    overflow: hidden;
    align-content: center;
}

.answer-player-btn {
    padding: var(--spacing-lg);
    font-size: var(--font-size-lg);
    font-weight: 600;
    background: var(--gradient-card);
    backdrop-filter: blur(10px);
    border: 2px solid var(--white-30);
    border-radius: var(--radius-xl);
    color: var(--white);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: var(--font-family);
    box-shadow: var(--shadow-card);
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    -webkit-user-select: none;
    position: relative;
    overflow: hidden;
}

.answer-player-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.4) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    transition: width 0.4s, height 0.4s;
}

.answer-player-btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--accent-color);
}

.answer-player-btn:hover:not(:disabled)::before {
    width: 300px;
    height: 300px;
}

.answer-player-btn:active:not(:disabled) {
    transform: translateY(-2px) scale(0.98);
}

.answer-player-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* Mini-Games */
.minigame-content {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-sm);
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.minigame-player-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: var(--spacing-sm);
    padding-top: var(--spacing-md);
}

.minigame-player-content h2 {
    font-size: clamp(1.3rem, 5vw, 1.6rem);
    margin-bottom: var(--spacing-sm);
    text-align: center;
    flex-shrink: 0;
    color: #FFD700;
    text-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
}

.minigame-player-content .instructions {
    font-size: clamp(1rem, 3.5vw, 1.2rem);
    text-align: center;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
    border: 2px solid rgba(255, 255, 255, 0.25);
    line-height: 1.5;
    color: var(--white);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.minigame-player-content .game-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.status-display {
    background: var(--gradient-card);
    backdrop-filter: blur(15px);
    border: 1px solid var(--white-20);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    margin: var(--spacing-lg) 0;
    text-align: center;
    font-size: var(--font-size-xl);
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-card);
}

.players-status {
    margin-top: var(--spacing-xl);
}

/* Avatar Selection / Camera */
.profile-setup {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-sm);
    padding-bottom: 120px; /* Extra space at bottom */
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
    min-height: 0;
    -webkit-overflow-scrolling: touch;
    position: relative;
}

.camera-section {
    margin: var(--spacing-md) 0;
}

.camera-section h3 {
    text-align: center;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

.frame-selector {
    display: flex;
    gap: var(--spacing-xs);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-sm);
}

.frame-option {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 2px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
    transition: all 0.3s ease;
}

.frame-option:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--accent-color);
}

.frame-option.selected {
    background: var(--accent-color);
    color: #000;
    border-color: var(--accent-color);
}

.camera-container {
    position: relative;
    width: 100%;
    max-width: 400px;
    margin: 0 auto var(--spacing-sm);
    aspect-ratio: 1;
    background: #000;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

#cameraVideo, #photoPreview {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.frame-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10;
}

.frame-overlay.party {
    border: 8px solid transparent;
    border-image: repeating-linear-gradient(45deg, #FFD700, #FF1493, #00FF00, #00BFFF) 1;
    box-shadow: inset 0 0 20px rgba(255, 215, 0, 0.5);
}

.frame-overlay.newyear {
    border: 10px solid #FFD700;
    box-shadow:
        inset 0 0 30px rgba(255, 215, 0, 0.8),
        0 0 30px rgba(255, 215, 0, 0.6);
}

.frame-overlay.stars {
    background:
        radial-gradient(circle at 10% 20%, rgba(255, 255, 255, 0.8) 0%, transparent 2%),
        radial-gradient(circle at 90% 30%, rgba(255, 255, 255, 0.8) 0%, transparent 2%),
        radial-gradient(circle at 50% 10%, rgba(255, 255, 255, 0.8) 0%, transparent 2%),
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.8) 0%, transparent 2%),
        radial-gradient(circle at 80% 90%, rgba(255, 255, 255, 0.8) 0%, transparent 2%);
}

.frame-overlay.gold {
    border: 12px solid #FFD700;
    box-shadow:
        inset 0 0 40px rgba(255, 215, 0, 0.6),
        0 0 40px rgba(255, 215, 0, 0.4);
}

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

.input-field {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 16px; /* Fixed size to prevent zoom on iOS */
    border: 2px solid var(--white-30);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    text-align: center;
    background: var(--gradient-card);
    backdrop-filter: blur(10px);
    color: var(--white);
    font-family: var(--font-family);
    transform: translateZ(0); /* Force hardware acceleration */
    -webkit-appearance: none; /* Remove iOS styling */
    appearance: none; /* Standard property for compatibility */
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
}

.input-field:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: var(--shadow-card-hover);
    background: rgba(255, 255, 255, 0.15);
}

.input-field::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.avatar-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.avatar-option {
    font-size: var(--font-size-4xl);
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    border: 3px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.avatar-option:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.avatar-option.selected {
    border-color: var(--primary-color);
    background: rgba(76, 175, 80, 0.3);
    box-shadow: 0 0 20px rgba(76, 175, 80, 0.5);
}

/* Waiting Screen */
.waiting-content {
    text-align: center;
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.spinner {
    width: 60px;
    height: 60px;
    border: 5px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: var(--spacing-2xl) auto;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Target/Opponent Selection - Already updated above */

.challenger-display {
    text-align: center;
    margin-bottom: var(--spacing-md);
    flex-shrink: 0;
}

.instruction {
    text-align: center;
    font-size: var(--font-size-base);
    margin: var(--spacing-sm) 0;
    padding: var(--spacing-lg);
    background: var(--gradient-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--white-20);
    border-radius: var(--radius-xl);
    flex-shrink: 0;
    box-shadow: var(--shadow-card);
}

.opponents-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs);
    flex: 1;
    overflow: hidden;
    align-content: start;
    grid-auto-rows: min-content;
}

.opponent-btn {
    background: var(--gradient-card);
    backdrop-filter: blur(10px);
    border: 2px solid var(--white-20);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: var(--font-size-base);
    box-shadow: var(--shadow-card);
}

.opponent-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--accent-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-card-hover);
}

/* Scoreboard - Card Based */
.scoreboard-content {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 0;
}

.result-content {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 0;
}

/* Winner Screen - Modern Card */
.winner-content {
    text-align: center;
    padding: var(--spacing-xl);
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
}

.winner-content::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    animation: winner-glow 2s ease-in-out infinite;
}

@keyframes winner-glow {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.8; }
}

.winner-content h1 {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-lg);
    animation: pulse 1.5s ease-in-out infinite;
    position: relative;
    z-index: 1;
    text-shadow: 0 4px 16px rgba(16, 185, 129, 0.5);
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.9;
    }
}

/* Quiz Question Display */
.quiz-question {
    font-size: 1.5em;
    padding: var(--spacing-xl);
    text-align: center;
    margin: var(--spacing-lg);
    background: var(--gradient-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--white-20);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
}

/* Waiting Screen Enhancements */
.waiting-content {
    text-align: center;
    padding: var(--spacing-xl);
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.players-count {
    margin-top: var(--spacing-lg);
    font-size: var(--font-size-lg);
    color: var(--accent-color);
    text-shadow: 0 2px 8px rgba(16, 185, 129, 0.5);
}

/* Spectator Screen */
.spectator-content {
    text-align: center;
    padding: var(--spacing-xl);
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: var(--gradient-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--white-20);
    border-radius: var(--radius-xl);
    margin: var(--spacing-lg);
    box-shadow: var(--shadow-card);
}

/* Eliminated Screen */
.eliminated-content {
    text-align: center;
    padding: var(--spacing-xl);
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: var(--gradient-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--white-20);
    border-radius: var(--radius-xl);
    margin: var(--spacing-lg);
    box-shadow: var(--shadow-card);
}

/* Category Selection Player */
.category-selection {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    padding-top: var(--spacing-lg);
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    align-content: start;
    grid-auto-rows: min-content;
    padding-bottom: calc(env(safe-area-inset-bottom) + 30px);
}

/* Category card sizing for mobile */
.category-selection .category-card {
    padding: clamp(15px, 4vw, 30px) !important;
}

.category-selection .category-card div:first-child {
    font-size: clamp(2em, 8vw, 3em) !important;
    margin-bottom: 5px !important;
}

.category-selection .category-card div:nth-child(2) {
    font-size: clamp(1em, 3.5vw, 1.3em) !important;
}

/* Category screen player header - more compact */
#categoryPlayerScreen .player-header {
    padding-top: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

#categoryPlayerScreen .player-header h2 {
    font-size: clamp(1.3rem, 4vw, 1.8rem);
    margin-bottom: 0;
}

/* Category countdown timer - very visible */
#categoryPlayerScreen .countdown,
.category-countdown {
    font-size: clamp(2rem, 8vw, 3rem) !important;
    font-weight: 800;
    color: var(--accent-color);
    text-shadow: 0 2px 10px rgba(16, 185, 129, 0.7), 0 0 30px rgba(16, 185, 129, 0.4);
    margin: var(--spacing-xs) 0;
    animation: pulse-countdown 1s ease-in-out infinite;
}

/* ===== AI CHALLENGE LAYOUT ===== */

/* AI Challenge Intro Screen - Host */
#aiChallengeIntroScreen .selection-content {
    justify-content: center;
    text-align: center;
    padding: var(--spacing-md);
}

#aiChallengeIntroScreen #aiChallengeIcon {
    font-size: clamp(4em, 15vh, 8em);
}

#aiChallengeIntroScreen #aiChallengeName {
    font-size: clamp(1.5em, 5vh, 2.5em);
}

#aiChallengeIntroScreen #aiChallengePrompt {
    font-size: clamp(1.2em, 4vh, 2em);
}

/* AI Challenge Active Screen - Host */
#aiChallengeActiveScreen .selection-content {
    padding: var(--spacing-sm);
    overflow-y: auto;
}

#aiChallengeActiveScreen #aiChallengeTimer {
    font-size: clamp(3em, 12vh, 6em);
    margin: var(--spacing-sm) 0;
}

#aiChallengeActiveScreen #aiChallengeActivePrompt {
    font-size: clamp(1.2em, 3vh, 1.8em);
    margin-bottom: var(--spacing-md);
}

#aiChallengeActiveScreen #aiSubmissionsList {
    max-height: 30vh;
    overflow-y: auto;
}

#aiChallengeActiveScreen #startAiJudgingBtn {
    margin-top: var(--spacing-md);
}

/* AI Challenge Photo Screen - Player Mobile */
#aiChallengePhotoScreen {
    padding: var(--spacing-sm);
}

#aiChallengePhotoScreen .player-header {
    padding: var(--spacing-xs) var(--spacing-sm);
    flex-shrink: 0;
}

#aiChallengePhotoScreen #aiPhotoTimer {
    font-size: clamp(2em, 8vw, 3em);
    margin-bottom: var(--spacing-xs);
}

#aiChallengePhotoScreen #aiPhotoPrompt {
    font-size: clamp(1em, 3.5vw, 1.3em);
}

#aiChallengePhotoScreen .photo-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: var(--spacing-xs) var(--spacing-sm);
    overflow-y: auto;
}

#aiChallengePhotoScreen #aiPhotoCameraContainer {
    max-width: min(400px, 90vw);
    max-height: 40vh;
    width: 100%;
}

#aiChallengePhotoScreen #aiPhotoCameraContainer video,
#aiChallengePhotoScreen #aiPhotoCameraContainer img {
    max-height: 40vh;
    width: 100%;
    object-fit: contain;
}

#aiChallengePhotoScreen .photo-section > div:last-of-type {
    width: 100%;
    max-width: min(400px, 90vw);
}

#aiChallengePhotoScreen .btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: clamp(0.9rem, 3vw, 1.1rem);
}

/* AI Challenge Submitted Screen - Player */
#aiChallengeSubmittedScreen {
    text-align: center;
}

#aiChallengeSubmittedScreen #aiSubmittedPreview {
    max-width: min(250px, 60vw);
    max-height: 30vh;
    object-fit: contain;
}

/* AI Review Screen - Host */
#aiReviewScreen .selection-content {
    padding: var(--spacing-md);
    overflow-y: auto;
}

#aiReviewScreen #aiReviewImageContainer {
    max-width: min(500px, 80vw);
    max-height: 40vh;
}

#aiReviewScreen #aiReviewImageContainer img {
    max-height: 40vh;
    width: 100%;
    object-fit: contain;
}

#aiReviewScreen #aiReviewComment {
    max-width: min(500px, 90vw);
}

#aiReviewScreen #aiReviewNextBtn {
    margin-top: var(--spacing-md);
}

/* AI Winner Screen - Host */
#aiWinnerScreen .result-content {
    padding: var(--spacing-md);
    overflow-y: auto;
    justify-content: flex-start;
    padding-top: var(--spacing-lg);
}

#aiWinnerScreen #aiWinnerImage {
    max-width: min(250px, 60vw);
}

#aiWinnerScreen #aiWinnerImage img {
    max-height: 25vh;
    object-fit: contain;
}

#aiWinnerScreen #aiChallengeCompleteBtn {
    margin-top: var(--spacing-md);
    flex-shrink: 0;
}

/* ===== MYSTERY BOX PLAYER SCREEN ===== */
#mysteryBoxOpenScreen .spectator-content {
    margin: var(--spacing-sm);
    padding: var(--spacing-md);
}

#mysteryBoxOpenScreen #mysteryBoxResultDisplay {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    max-width: 90vw;
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --font-size-3xl: 1.5rem;
        --font-size-4xl: 1.75rem;
        --font-size-5xl: 2rem;
    }

    .game-code {
        font-size: var(--font-size-2xl);
        padding: var(--spacing-xs) var(--spacing-md);
        letter-spacing: 0.15rem;
    }

    .players-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: var(--spacing-sm);
    }

    .category-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: var(--spacing-xs);
    }

    .answers-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }

    .avatar-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-xs);
    }

    .player-status-bar {
        padding: var(--spacing-xs) var(--spacing-sm);
        gap: var(--spacing-xs);
    }

    .screen {
        position: fixed;
        top: calc(50px + env(safe-area-inset-top));
        left: 0;
        right: 0;
        bottom: 0;
        padding: var(--spacing-sm);
        padding-top: var(--spacing-md);
        padding-bottom: calc(var(--spacing-md) + env(safe-area-inset-bottom));
    }

    .player-status-bar {
        height: 50px;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .progress-bar-container {
        height: 3px;
    }

    h1 {
        font-size: var(--font-size-3xl);
        margin-bottom: var(--spacing-sm);
    }

    h2 {
        font-size: var(--font-size-xl);
        margin-bottom: var(--spacing-xs);
    }

    .player-header {
        margin-bottom: 0;
    }

    .player-info {
        font-size: var(--font-size-xs);
        padding: var(--spacing-xs) 0;
    }
}

@media (max-width: 480px) {
    .game-code {
        font-size: var(--font-size-xl);
        letter-spacing: 0.1rem;
        padding: var(--spacing-sm) var(--spacing-lg);
    }

    .btn-large {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-base);
    }

    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-base);
    }

    .avatar-option {
        font-size: var(--font-size-3xl);
    }

    .minigame-player-content h2 {
        font-size: clamp(1.1rem, 5vw, 1.4rem);
    }

    .minigame-player-content .instructions {
        font-size: clamp(0.9rem, 3.5vw, 1.1rem);
        padding: var(--spacing-sm) var(--spacing-md);
        margin-bottom: var(--spacing-sm);
        line-height: 1.4;
    }
    
    .category-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: var(--spacing-sm);
    }
    
    .category-card {
        padding: var(--spacing-sm);
    }
    
    .answer-player-btn {
        min-height: 80px;
        padding: var(--spacing-md);
        font-size: var(--font-size-base);
    }
    
    .question-box {
        padding: var(--spacing-md);
    }
    
    .player-card {
        padding: var(--spacing-sm);
    }
    
    .lobby-controls {
        padding: var(--spacing-md);
    }
}

/* Player Showcase Grid for Introduction */
.player-showcase-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 20px 0;
    max-height: calc(100vh - 300px);
    overflow-y: auto;
}

.player-showcase-card {
    background: var(--gradient-card);
    backdrop-filter: blur(15px);
    border: 2px solid var(--white-20);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
}

.player-showcase-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.player-showcase-card:hover {
    transform: translateY(-8px) scale(1.02);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--accent-color);
}

.player-showcase-card:hover::before {
    transform: scaleX(1);
}

.player-showcase-card .avatar-container {
    width: 100%;
    aspect-ratio: 1;
    max-width: 200px;
    margin: 0 auto 12px;
    border-radius: 12px;
    overflow: hidden;
    border: 2px solid rgba(255, 215, 0, 0.5);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.player-showcase-card .avatar-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.player-showcase-card .player-name {
    font-size: 1.3em;
    font-weight: bold;
    color: var(--accent-color);
    margin: 10px 0 5px;
    text-shadow: 0 2px 8px rgba(16, 185, 129, 0.5);
}

.player-showcase-card .player-points {
    font-size: 1em;
    color: rgba(255, 255, 255, 0.9);
}

.intro-content {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 150px);
    overflow: hidden;
}

@media (max-width: 1200px) {
    .player-showcase-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .player-showcase-grid {
        grid-template-columns: 1fr;
    }
}

/* AI Provider Selection Styling - Modern Card */
.ai-provider-option {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.ai-provider-option:hover {
    border-color: var(--accent-color) !important;
    background: rgba(16, 185, 129, 0.1) !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-card);
}

.ai-provider-option input[type="radio"]:checked + span {
    color: var(--accent-color);
    font-weight: bold;
}

.ai-provider-option:has(input[type="radio"]:checked) {
    border-color: var(--accent-color) !important;
    background: rgba(16, 185, 129, 0.2) !important;
    box-shadow: var(--shadow-card-hover);
}

/* Selection Content Enhancements */
.selection-content {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 0;
}

.challenger-display {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    flex-shrink: 0;
    background: var(--gradient-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--white-20);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-card);
}

/* Minigame Content Enhancements */
.minigame-content {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Intro Content Enhancements */
.intro-content {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 150px);
    overflow: hidden;
    padding: var(--spacing-lg);
}

/* Rules Content Enhancements */
.rules-content {
    padding: var(--spacing-xl);
    max-width: 1000px;
    margin: 0 auto;
    overflow-y: auto;
    max-height: calc(100vh - 200px);
}

.rules-content > div {
    background: var(--gradient-card);
    backdrop-filter: blur(15px);
    border: 1px solid var(--white-20);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-card);
}