/* Global Styles & Variables */
:root {
    --bg-dark: #090716;
    --bg-card: rgba(15, 12, 30, 0.65);
    --border-color: rgba(255, 255, 255, 0.08);
    --font-primary: 'Prompt', sans-serif;
    --font-accent: 'Outfit', sans-serif;

    /* Sleek Harmonious Colors (HSL) */
    --primary-hue: 195;    /* Cyan */
    --secondary-hue: 285;  /* Purple */
    --accent-hue: 330;     /* Pink/Magenta */
    --success-hue: 145;    /* Green */
    --error-hue: 355;      /* Red */

    --color-primary: hsl(var(--primary-hue), 90%, 55%);
    --color-primary-glow: hsla(var(--primary-hue), 90%, 55%, 0.3);
    --color-secondary: hsl(var(--secondary-hue), 85%, 60%);
    --color-accent: hsl(var(--accent-hue), 90%, 60%);
    
    --color-success: hsl(var(--success-hue), 80%, 50%);
    --color-success-glow: hsla(var(--success-hue), 80%, 50%, 0.35);
    --color-error: hsl(var(--error-hue), 85%, 55%);
    --color-error-glow: hsla(var(--error-hue), 85%, 55%, 0.35);

    --text-light: #f3f1f8;
    --text-muted: #9f96b6;

    --transition-speed: 0.3s;
}

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

body {
    font-family: var(--font-primary);
    background-color: var(--bg-dark);
    color: var(--text-light);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
    position: relative;
}

/* Background Glowing Accents */
.bg-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, hsla(var(--secondary-hue), 80%, 50%, 0.15) 0%, rgba(0,0,0,0) 70%);
    top: -150px;
    left: -150px;
    z-index: -1;
    pointer-events: none;
}

.bg-glow-secondary {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, hsla(var(--primary-hue), 85%, 50%, 0.12) 0%, rgba(0,0,0,0) 70%);
    bottom: -150px;
    right: -150px;
    z-index: -1;
    pointer-events: none;
}

/* Audio Controller Button */
.audio-control-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    color: var(--text-light);
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 10;
}

.audio-control-btn:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--color-primary);
    box-shadow: 0 0 12px var(--color-primary-glow);
    transform: scale(1.05);
}

/* Game Wrapper and Card styling */
.game-wrapper {
    width: 100%;
    max-width: 680px;
    padding: 20px;
    z-index: 1;
}

/* Glassmorphism Card styling */
.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6), 
                inset 0 1px 0 rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    padding: 35px 30px;
    position: relative;
    overflow: hidden;
    min-height: 520px;
    display: flex;
    flex-direction: column;
}

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

.gradient-text {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 50%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Game Header (HUD) */
.game-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
    gap: 15px;
}

.header-stat {
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 3px;
}

.stat-value {
    font-family: var(--font-accent);
    font-size: 1.5rem;
    font-weight: 700;
}

#question-progress {
    color: var(--color-primary);
}

#score-display {
    color: #ffd700;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.3);
}

.score-container {
    position: relative;
    align-items: flex-end;
}

/* Score floating updates */
.score-float {
    position: absolute;
    right: 0;
    top: -15px;
    font-family: var(--font-accent);
    font-size: 1.4rem;
    font-weight: 800;
    pointer-events: none;
    opacity: 0;
}

.score-float.add {
    color: var(--color-success);
    text-shadow: 0 0 8px var(--color-success-glow);
    animation: floatUp 1.2s forwards cubic-bezier(0.25, 1, 0.5, 1);
}

.score-float.subtract {
    color: var(--color-error);
    text-shadow: 0 0 8px var(--color-error-glow);
    animation: floatDown 1.2s forwards cubic-bezier(0.25, 1, 0.5, 1);
}

@keyframes floatUp {
    0% { transform: translateY(15px); opacity: 0; }
    20% { transform: translateY(0); opacity: 1; }
    80% { transform: translateY(-10px); opacity: 1; }
    100% { transform: translateY(-25px); opacity: 0; }
}

@keyframes floatDown {
    0% { transform: translateY(-15px); opacity: 0; }
    20% { transform: translateY(0); opacity: 1; }
    80% { transform: translateY(10px); opacity: 1; }
    100% { transform: translateY(25px); opacity: 0; }
}

/* Progress Bar */
.header-progress {
    flex-grow: 1;
    height: 6px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
    overflow: hidden;
    margin: 0 10px;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: 3px;
    transition: width var(--transition-speed) ease-in-out;
}

/* Timer Wrapper and Bar */
.timer-wrapper {
    width: 100%;
    margin-bottom: 25px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.timer-bar {
    width: 100%;
    height: 5px;
    background: var(--color-primary);
    border-radius: 2px;
    box-shadow: 0 0 8px var(--color-primary-glow);
    transform-origin: left;
    transition: transform 0.1s linear, background-color var(--transition-speed);
}

.timer-bar.warning {
    background: var(--color-accent);
    box-shadow: 0 0 8px hsla(var(--accent-hue), 90%, 60%, 0.4);
}

.timer-bar.critical {
    background: var(--color-error);
    box-shadow: 0 0 12px var(--color-error-glow);
    animation: pulseGlow 0.5s infinite alternate;
}

@keyframes pulseGlow {
    from { opacity: 0.6; }
    to { opacity: 1; }
}

.timer-text-container {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
}

#timer-text {
    font-family: var(--font-accent);
    font-weight: 700;
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Screens Base */
.game-screen {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    animation: fadeIn var(--transition-speed) forwards cubic-bezier(0.25, 1, 0.5, 1);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Screen 1: Start Screen Elements */
.hero-logo {
    text-align: center;
    margin-bottom: 30px;
    margin-top: 10px;
}

.logo-icon {
    font-size: 3.5rem;
    color: var(--color-secondary);
    text-shadow: 0 0 25px hsla(var(--secondary-hue), 85%, 60%, 0.4);
    margin-bottom: 15px;
    animation: bounce 3s infinite ease-in-out;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.hero-logo h1 {
    font-family: var(--font-accent);
    font-weight: 800;
    font-size: 2.8rem;
    line-height: 1.1;
    letter-spacing: 2px;
}

.subtitle {
    color: var(--text-muted);
    font-size: 0.95rem;
    letter-spacing: 1.5px;
    margin-top: 8px;
    text-transform: uppercase;
}

.rules-box {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 35px;
}

.rules-box h3 {
    font-size: 1rem;
    margin-bottom: 12px;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.rules-box ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.rules-box li {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.rules-box strong {
    color: var(--text-light);
}

.badge {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 6px;
    width: 20px;
    height: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 0.75rem;
    font-family: var(--font-accent);
    font-weight: 700;
    color: var(--color-primary);
    flex-shrink: 0;
}

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

/* Screen Title Header */
.screen-title {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    gap: 12px;
}

.title-icon {
    font-size: 1.4rem;
    color: var(--color-secondary);
}

.screen-title h2 {
    font-size: 1.3rem;
    font-weight: 600;
}

/* Question Preview Panel */
.question-preview-box {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 22px;
    margin-bottom: 25px;
}

.question-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.question-text {
    font-size: 1.15rem;
    font-weight: 500;
    line-height: 1.5;
}

/* Betting Buttons Grid */
.bet-options-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 10px;
}

.bet-btn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 18px 12px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
    position: relative;
    overflow: hidden;
}

.bet-btn:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 20px var(--color-primary-glow);
}

.bet-btn:active {
    transform: translateY(-1px);
}

.bet-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.bet-amount {
    font-family: var(--font-accent);
    font-size: 2.1rem;
    font-weight: 800;
    color: var(--text-light);
    line-height: 1;
}

.points-suffix {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Special styling for All In bet option */
.bet-btn-allin {
    border-color: rgba(255, 0, 128, 0.2);
}

.bet-btn-allin .bet-amount {
    color: var(--color-accent);
    text-shadow: 0 0 10px rgba(255, 0, 128, 0.2);
}

.bet-btn-allin:hover {
    border-color: var(--color-accent);
    box-shadow: 0 8px 24px hsla(var(--accent-hue), 90%, 60%, 0.25);
}

.bet-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
    border-color: var(--border-color) !important;
}

/* Screen 3: Answer Screen Elements */
.bet-badge-container {
    font-size: 0.85rem;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.04);
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.bet-badge {
    font-family: var(--font-accent);
    font-weight: 700;
    color: var(--color-primary);
    font-size: 1rem;
}

.question-box {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.02) 0%, rgba(255, 255, 255, 0.04) 100%);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 24px;
    margin-bottom: 25px;
    text-align: center;
}

.answers-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.answer-btn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 16px 20px;
    font-size: 0.95rem;
    font-family: var(--font-primary);
    color: var(--text-light);
    cursor: pointer;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
}

.answer-btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--color-secondary);
    transform: translateX(4px);
    box-shadow: 0 4px 15px hsla(var(--secondary-hue), 85%, 60%, 0.15);
}

.ans-badge {
    background: rgba(255, 255, 255, 0.08);
    width: 28px;
    height: 28px;
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: var(--font-accent);
    font-weight: 600;
    font-size: 0.9rem;
    flex-shrink: 0;
    transition: all var(--transition-speed);
}

.answer-btn:hover:not(:disabled) .ans-badge {
    background: var(--color-secondary);
    color: var(--bg-dark);
}

/* Feedback Box */
.feedback-box {
    margin-top: 10px;
    padding: 16px 20px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideIn var(--transition-speed) forwards cubic-bezier(0.25, 1, 0.5, 1);
}

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

.feedback-box.correct {
    background: rgba(46, 204, 113, 0.12);
    border: 1px solid rgba(46, 204, 113, 0.25);
    color: var(--color-success);
}

.feedback-box.incorrect {
    background: rgba(231, 76, 60, 0.12);
    border: 1px solid rgba(231, 76, 60, 0.25);
    color: var(--color-error);
}

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

.feedback-message {
    font-size: 0.9rem;
    font-weight: 500;
}

/* Correct / Incorrect answers highlights */
.answer-btn.correct {
    background: rgba(46, 204, 113, 0.12) !important;
    border-color: var(--color-success) !important;
    color: var(--color-success) !important;
    box-shadow: 0 0 15px var(--color-success-glow) !important;
}

.answer-btn.correct .ans-badge {
    background: var(--color-success) !important;
    color: var(--bg-dark) !important;
}

.answer-btn.incorrect {
    background: rgba(231, 76, 60, 0.12) !important;
    border-color: var(--color-error) !important;
    color: var(--color-error) !important;
    box-shadow: 0 0 15px var(--color-error-glow) !important;
}

.answer-btn.incorrect .ans-badge {
    background: var(--color-error) !important;
    color: var(--bg-dark) !important;
}

.answer-btn:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

/* Common Button styling */
.btn {
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    padding: 14px 28px;
    border-radius: 14px;
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
    margin-top: auto;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--text-light);
}

.btn-danger {
    background: linear-gradient(135deg, var(--color-error) 0%, #d32f2f 100%);
    color: var(--text-light);
}

.btn-success {
    background: linear-gradient(135deg, var(--color-success) 0%, #1b5e20 100%);
    color: var(--text-light);
}

.btn-glow:hover {
    transform: translateY(-3px);
}

.btn-primary.btn-glow:hover {
    box-shadow: 0 8px 24px rgba(0, 200, 255, 0.35);
}

.btn-danger.btn-glow:hover {
    box-shadow: 0 8px 24px rgba(255, 50, 50, 0.35);
}

.btn-success.btn-glow:hover {
    box-shadow: 0 8px 24px rgba(46, 204, 113, 0.35);
}

.btn:active {
    transform: translateY(-1px);
}

/* Screen 4 & 5: Result Screen Styling */
.result-icon {
    font-size: 4rem;
    text-align: center;
    margin-bottom: 20px;
}

.result-icon.error-color {
    color: var(--color-error);
    text-shadow: 0 0 30px rgba(255, 50, 50, 0.25);
    animation: shake 0.5s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-6px); }
    40%, 80% { transform: translateX(6px); }
}

.result-icon.success-color {
    color: #ffd700;
    text-shadow: 0 0 30px rgba(255, 215, 0, 0.3);
    animation: scalePulse 2s infinite ease-in-out;
}

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

.success-color {
    color: var(--color-success);
    text-shadow: 0 0 8px var(--color-success-glow);
}

.error-color {
    color: var(--color-error);
    text-shadow: 0 0 8px var(--color-error-glow);
}

.result-message {
    text-align: center;
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 25px;
}

.game-screen h2 {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: 1px;
}

.stats-summary {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 18px 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 160px;
}

.stat-card-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 6px;
    text-transform: uppercase;
}

.stat-card-value {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-primary);
}

/* Victory screen layout */
.victory-stats {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
}

.final-score-box {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.04) 0%, rgba(255, 215, 0, 0.08) 100%);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: 20px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 0 8px 24px rgba(255, 215, 0, 0.05);
}

.final-label {
    font-size: 0.8rem;
    color: #ffd700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 5px;
}

.final-score {
    font-family: var(--font-accent);
    font-size: 3.5rem;
    font-weight: 800;
    color: #ffd700;
    text-shadow: 0 0 20px rgba(255, 215, 0, 0.35);
    line-height: 1;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.stat-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 12px 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.stat-item-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.stat-item-value {
    font-family: var(--font-accent);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-light);
}

/* Pulsing text utility */
.pulse-text {
    animation: softPulse 2s infinite ease-in-out;
}

@keyframes softPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.85; transform: scale(1.03); }
}

/* Screen Transitions classes */
.game-screen.hidden {
    display: none !important;
}

/* Responsiveness adjustments */
@media (max-width: 500px) {
    .glass-card {
        padding: 25px 20px;
        min-height: 480px;
    }

    .hero-logo h1 {
        font-size: 2.2rem;
    }

    .bet-options-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .bet-btn {
        padding: 12px;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    .bet-label {
        margin-bottom: 0;
        font-size: 0.8rem;
    }

    .bet-amount {
        font-size: 1.6rem;
    }

    .points-suffix {
        margin-top: 0;
        font-size: 0.8rem;
        margin-left: 5px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* AI Loading Status Feedback styling */
.start-status {
    margin-top: 15px;
    font-size: 0.9rem;
    text-align: center;
    color: var(--text-muted);
    padding: 12px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    animation: fadeIn var(--transition-speed) forwards;
}

.start-status.error {
    color: var(--color-error);
    border-color: rgba(231, 76, 60, 0.25);
    background: rgba(231, 76, 60, 0.05);
}

.start-status.success {
    color: var(--color-success);
    border-color: rgba(46, 204, 113, 0.25);
    background: rgba(46, 204, 113, 0.05);
}