:root {
    --bg-dark: #0a0a0a;
    --bg-card: #111;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --green-accent: #4ade80;
    --green-glow: rgba(74, 222, 128, 0.3);
    --red-accent: #ef4444;
    --red-glow: rgba(239, 68, 68, 0.3);
    --gold-accent: #fbbf24;
    --text-primary: #fff;
    --text-secondary: rgba(255, 255, 255, 0.6);
    --roulette-green: #0d5c2e;
    --roulette-red: #c41e3a;
    --roulette-black: #1a1a1a;
}

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

body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 1.5rem;
}

header {
    text-align: center;
    margin-bottom: 2rem;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 300;
    letter-spacing: 0.3em;
    color: var(--green-accent);
    text-shadow: 0 0 30px var(--green-glow);
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* Screens */
.screen {
    display: none;
}

.screen.active {
    display: block;
}

/* Carlos Message */
.carlos-message {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.carlos-avatar {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.carlos-avatar.small {
    font-size: 1.5rem;
}

.message-bubble p {
    margin-bottom: 0.5rem;
}

.message-bubble .hint {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Info Panel */
.info-panel {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    margin-bottom: 2rem;
}

.info-panel h3 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.edge-comparison {
    display: flex;
    gap: 2rem;
}

.edge-item {
    display: flex;
    gap: 1rem;
    align-items: center;
    opacity: 0.5;
}

.edge-item.active {
    opacity: 1;
}

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

.edge-value {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--red-accent);
}

/* Strategy Grid */
.strategy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.strategy-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1.25rem;
    text-align: left;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--text-primary);
}

.strategy-card:hover {
    border-color: var(--green-accent);
    box-shadow: 0 0 20px var(--green-glow);
    transform: translateY(-2px);
}

.strategy-card.selected {
    border-color: var(--green-accent);
    background: rgba(74, 222, 128, 0.1);
}

.strategy-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.strategy-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.strategy-verdict {
    display: block;
    font-size: 0.75rem;
    color: var(--red-accent);
    font-weight: 500;
}

/* Mode Selection */
.mode-selection {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.mode-btn {
    padding: 0.75rem 2rem;
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    background: var(--glass-bg);
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.mode-btn:hover {
    border-color: var(--green-accent);
}

.mode-btn.primary {
    background: var(--green-accent);
    color: var(--bg-dark);
    border-color: var(--green-accent);
}

.mode-btn.primary:hover {
    box-shadow: 0 0 20px var(--green-glow);
}

/* Game Screen */
.game-header {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.bankroll-display,
.strategy-display,
.stats-display {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 0.75rem 1.25rem;
    text-align: center;
    flex: 1;
    min-width: 120px;
}

.bankroll-display .label,
.strategy-display .label,
.stats-display .label {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.bankroll-display .value {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--green-accent);
}

.strategy-display .value,
.stats-display .value {
    font-size: 1.1rem;
    font-weight: 500;
}

/* Roulette Wheel */
.wheel-container {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 2rem auto;
}

.roulette-wheel {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: conic-gradient(
        #0d5c2e 0deg 9.73deg,
        #c41e3a 9.73deg 19.46deg,
        #1a1a1a 19.46deg 29.19deg,
        #c41e3a 29.19deg 38.92deg,
        #1a1a1a 38.92deg 48.65deg,
        #c41e3a 48.65deg 58.38deg,
        #1a1a1a 58.38deg 68.11deg,
        #c41e3a 68.11deg 77.84deg,
        #1a1a1a 77.84deg 87.57deg,
        #c41e3a 87.57deg 97.3deg,
        #1a1a1a 97.3deg 107.03deg,
        #c41e3a 107.03deg 116.76deg,
        #1a1a1a 116.76deg 126.49deg,
        #c41e3a 126.49deg 136.22deg,
        #1a1a1a 136.22deg 145.95deg,
        #c41e3a 145.95deg 155.68deg,
        #1a1a1a 155.68deg 165.41deg,
        #c41e3a 165.41deg 175.14deg,
        #0d5c2e 175.14deg 184.87deg,
        #c41e3a 184.87deg 194.6deg,
        #1a1a1a 194.6deg 204.33deg,
        #c41e3a 204.33deg 214.06deg,
        #1a1a1a 214.06deg 223.79deg,
        #c41e3a 223.79deg 233.52deg,
        #1a1a1a 233.52deg 243.25deg,
        #c41e3a 243.25deg 252.98deg,
        #1a1a1a 252.98deg 262.71deg,
        #c41e3a 262.71deg 272.44deg,
        #1a1a1a 272.44deg 282.17deg,
        #c41e3a 282.17deg 291.9deg,
        #1a1a1a 291.9deg 301.63deg,
        #c41e3a 301.63deg 311.36deg,
        #1a1a1a 311.36deg 321.09deg,
        #c41e3a 321.09deg 330.82deg,
        #1a1a1a 330.82deg 340.55deg,
        #c41e3a 340.55deg 350.28deg,
        #1a1a1a 350.28deg 360deg
    );
    border: 8px solid #333;
    box-shadow: 
        inset 0 0 20px rgba(0, 0, 0, 0.5),
        0 0 30px rgba(0, 0, 0, 0.5);
    transition: transform 4s cubic-bezier(0.17, 0.67, 0.12, 0.99);
}

.wheel-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: linear-gradient(145deg, #222, #111);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid #444;
    z-index: 2;
}

#result-number {
    font-size: 1.5rem;
    font-weight: 700;
}

.ball {
    position: absolute;
    width: 12px;
    height: 12px;
    background: radial-gradient(circle at 30% 30%, #fff, #ccc);
    border-radius: 50%;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    opacity: 0;
    transition: opacity 0.3s;
}

.ball.visible {
    opacity: 1;
}

/* Betting Table */
.betting-table {
    background: var(--roulette-green);
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1.5rem;
    border: 3px solid #0a4a24;
}

.table-grid {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.zero-section {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 0.5rem;
}

.number-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 2px;
}

.outside-bets {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.dozen-bets {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.bet-cell {
    padding: 0.5rem 0.25rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.2);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.bet-cell:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.bet-cell.zero {
    background: var(--roulette-green);
    border-color: #fff;
}

.bet-cell.red {
    background: var(--roulette-red);
}

.bet-cell.black {
    background: var(--roulette-black);
}

.bet-cell.number-red {
    background: var(--roulette-red);
}

.bet-cell.number-black {
    background: var(--roulette-black);
}

.bet-cell.selected {
    box-shadow: 0 0 10px var(--gold-accent);
    border-color: var(--gold-accent);
}

/* Bet Display */
.bet-display {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
    text-align: center;
}

.current-bet .label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
}

.current-bet .value {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gold-accent);
    margin: 0 0.5rem;
}

.bet-type {
    color: var(--text-secondary);
}

/* Game Controls */
.game-controls {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.spin-btn {
    padding: 1rem 3rem;
    font-size: 1.25rem;
    font-weight: 600;
    background: linear-gradient(135deg, var(--green-accent), #22c55e);
    border: none;
    border-radius: 8px;
    color: var(--bg-dark);
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.spin-btn:hover:not(:disabled) {
    box-shadow: 0 0 30px var(--green-glow);
    transform: scale(1.05);
}

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

.auto-btn,
.reset-btn {
    padding: 1rem 1.5rem;
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    background: var(--glass-bg);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.auto-btn:hover,
.reset-btn:hover {
    border-color: var(--green-accent);
}

/* Carlos Commentary */
.carlos-commentary {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.carlos-commentary p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Chart */
.chart-container {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1.5rem;
    height: 200px;
}

#bankroll-chart {
    width: 100%;
    height: 100%;
}

/* Back Button */
.back-btn {
    display: block;
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.back-btn:hover {
    border-color: var(--green-accent);
    color: var(--text-primary);
}

/* Simulation Screen */
.sim-description {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.simulation-results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.sim-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1.25rem;
}

.sim-card h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.sim-bankroll {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.sim-bankroll.positive {
    color: var(--green-accent);
}

.sim-bankroll.negative {
    color: var(--red-accent);
}

.sim-bar {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.75rem;
}

.sim-fill {
    height: 100%;
    background: var(--green-accent);
    border-radius: 4px;
    width: 50%;
    transition: all 0.5s ease;
}

.sim-fill.bust {
    background: var(--red-accent);
}

.sim-stats {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.sim-controls {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.primary-btn {
    padding: 0.75rem 2rem;
    background: var(--green-accent);
    border: none;
    border-radius: 8px;
    color: var(--bg-dark);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.primary-btn:hover {
    box-shadow: 0 0 20px var(--green-glow);
}

.secondary-btn {
    padding: 0.75rem 2rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.secondary-btn:hover {
    border-color: var(--green-accent);
}

/* Multi-simulation results */
.multi-results {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.multi-results.hidden {
    display: none;
}

.multi-results h3 {
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.multi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
}

.multi-item {
    text-align: center;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
}

.multi-item h4 {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.multi-item .value {
    font-size: 1.25rem;
    font-weight: 600;
}

.multi-item .value.positive {
    color: var(--green-accent);
}

.multi-item .value.negative {
    color: var(--red-accent);
}

.multi-item .bust-rate {
    font-size: 0.75rem;
    color: var(--red-accent);
    margin-top: 0.25rem;
}

/* Footer */
footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--glass-border);
}

.warning {
    color: var(--red-accent);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 600px) {
    .container {
        padding: 1rem;
    }
    
    header h1 {
        font-size: 1.75rem;
    }
    
    .strategy-grid {
        grid-template-columns: 1fr;
    }
    
    .mode-selection {
        flex-direction: column;
    }
    
    .game-header {
        flex-direction: column;
    }
    
    .outside-bets {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .wheel-container {
        width: 150px;
        height: 150px;
    }
}