/* Base Styles - Minimal Green Glass Theme */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --green-dark: #0a1f0a;
    --green-medium: #1a3a1a;
    --green-light: #2d5a2d;
    --green-accent: #4ade80;
    --green-glow: rgba(74, 222, 128, 0.3);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-primary: #e8f5e9;
    --text-secondary: rgba(255, 255, 255, 0.6);
    --gold: #fbbf24;
    --gold-glow: rgba(251, 191, 36, 0.3);
}

body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, var(--green-dark) 0%, var(--green-medium) 50%, var(--green-dark) 100%);
    min-height: 100vh;
    color: var(--text-primary);
    font-size: 14px;
}

.screen {
    min-height: 100vh;
    padding: 10px;
}

.hidden {
    display: none !important;
}

.glass-container {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
}

/* Training Screen */
.training-container {
    max-width: 420px;
    margin: 20px auto;
    text-align: center;
    padding: 25px;
}

.training-container h1 {
    font-size: 1.6rem;
    font-weight: 300;
    margin-bottom: 5px;
    color: var(--green-accent);
    letter-spacing: 3px;
}

.subtitle {
    color: var(--text-secondary);
    margin-bottom: 25px;
    font-size: 0.85rem;
    font-weight: 300;
}

.training-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.form-group {
    text-align: left;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 300;
    margin-bottom: 8px;
}

.button-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.option-btn {
    padding: 8px 16px;
    border: 1px solid var(--glass-border);
    background: transparent;
    color: var(--text-secondary);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.8rem;
    font-weight: 300;
    flex: 1;
    min-width: 60px;
}

.option-btn:hover,
.option-btn.selected {
    background: var(--green-accent);
    color: var(--green-dark);
    border-color: var(--green-accent);
}

.value-display {
    display: block;
    margin-top: 8px;
    font-size: 1.1rem;
    color: var(--green-accent);
    font-weight: 300;
}

input[type="range"] {
    width: 100%;
    height: 4px;
    border-radius: 2px;
    background: var(--glass-border);
    outline: none;
    -webkit-appearance: none;
    margin-top: 5px;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--green-accent);
    cursor: pointer;
    box-shadow: 0 0 10px var(--green-glow);
}

.primary-btn {
    padding: 12px 30px;
    font-size: 1rem;
    font-weight: 400;
    background: var(--green-accent);
    border: none;
    border-radius: 25px;
    color: var(--green-dark);
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
    letter-spacing: 1px;
}

.primary-btn:hover {
    box-shadow: 0 0 25px var(--green-glow);
    transform: translateY(-2px);
}

.primary-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

.progress-bar {
    width: 100%;
    height: 4px;
    background: var(--glass-border);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 15px;
}

.progress-fill {
    height: 100%;
    background: var(--green-accent);
    width: 0%;
    transition: width 0.3s ease;
    box-shadow: 0 0 10px var(--green-glow);
}

#progress-text {
    margin-top: 10px;
    color: var(--green-accent);
    font-weight: 300;
    font-size: 0.8rem;
}

/* Game Screen */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    margin-bottom: 10px;
}

header h1 {
    color: var(--green-accent);
    font-size: 1.1rem;
    font-weight: 300;
    letter-spacing: 3px;
}

.info-btn {
    padding: 6px 14px;
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.75rem;
    transition: all 0.3s ease;
    font-weight: 300;
}

.info-btn:hover {
    background: var(--green-accent);
    color: var(--green-dark);
    border-color: var(--green-accent);
}

/* Slot Machines */
.machines-area {
    padding: 10px;
}

.machines-container {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    max-width: 600px;
    margin: 0 auto;
}

.slot-machine {
    width: 80px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: 10px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.slot-machine:hover {
    border-color: var(--green-accent);
    box-shadow: 0 0 20px var(--green-glow);
}

.slot-machine.selected {
    border-color: var(--gold);
    box-shadow: 0 0 25px var(--gold-glow);
}

.slot-machine.spinning .reels {
    animation: spin 0.5s ease-in-out;
}

@keyframes spin {
    0% { transform: translateY(0); }
    25% { transform: translateY(-10px); }
    50% { transform: translateY(5px); }
    75% { transform: translateY(-5px); }
    100% { transform: translateY(0); }
}

.machine-number {
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.reels {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    padding: 8px;
    margin-bottom: 8px;
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.reel-display {
    font-size: 1.8rem;
}

.payout-display {
    font-size: 0.85rem;
    font-weight: 400;
    min-height: 20px;
}

.payout-display.win {
    color: var(--gold);
}

.payout-display.lose {
    color: var(--text-secondary);
}

.machine-plays {
    font-size: 0.65rem;
    color: var(--text-secondary);
    margin-top: 5px;
}

/* Controls */
.controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin: 15px 0;
}

.mode-toggle {
    display: flex;
    padding: 4px;
    gap: 4px;
}

.mode-btn {
    padding: 8px 20px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.3s ease;
    font-weight: 300;
}

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

/* Scoreboard */
.scoreboard {
    display: flex;
    justify-content: center;
    gap: 20px;
    align-items: center;
    padding: 12px 20px;
    margin: 12px auto;
    max-width: 500px;
    flex-wrap: wrap;
}

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

.score-label {
    display: block;
    font-size: 0.7rem;
    color: var(--text-secondary);
    font-weight: 300;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 4px;
}

.score-value {
    font-size: 1.1rem;
    color: var(--green-accent);
    font-weight: 400;
}

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

.score-value.negative {
    color: #f87171;
}

.reset-btn {
    padding: 6px 14px;
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.7rem;
    font-weight: 300;
}

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

/* Game Log */
.game-log {
    max-width: 500px;
    margin: 12px auto;
    padding: 12px;
}

.game-log h3 {
    color: var(--text-secondary);
    margin-bottom: 10px;
    font-size: 0.8rem;
    font-weight: 300;
    letter-spacing: 1px;
    text-transform: uppercase;
}

#log-container {
    max-height: 80px;
    overflow-y: auto;
    font-size: 0.7rem;
    color: var(--text-secondary);
}

#log-container::-webkit-scrollbar {
    width: 4px;
}

#log-container::-webkit-scrollbar-track {
    background: transparent;
}

#log-container::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 2px;
}

.log-entry {
    padding: 4px 0;
    border-bottom: 1px solid var(--glass-border);
}

.log-entry:last-child {
    border-bottom: none;
}

.log-entry.win {
    color: var(--green-accent);
}

.log-entry.ai {
    color: var(--gold);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 31, 10, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    padding: 10px;
}

.modal-content {
    padding: 25px;
    max-width: 95vw;
    max-height: 85vh;
    overflow-y: auto;
    position: relative;
    width: 450px;
}

.close-btn {
    position: absolute;
    top: 12px;
    right: 15px;
    font-size: 1.3rem;
    cursor: pointer;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

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

.modal-content h2 {
    color: var(--green-accent);
    margin-bottom: 20px;
    text-align: center;
    font-size: 1rem;
    font-weight: 300;
    letter-spacing: 2px;
}

.modal-content h3 {
    color: var(--text-secondary);
    margin: 15px 0 10px;
    font-size: 0.85rem;
    font-weight: 300;
}

.strategy-info {
    background: rgba(0, 0, 0, 0.2);
    padding: 12px;
    border-radius: 10px;
    margin-bottom: 15px;
}

.strategy-info p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin: 5px 0;
}

.strategy-info strong {
    color: var(--text-primary);
}

.strategy-info span {
    color: var(--green-accent);
}

.machine-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 15px;
}

.stat-item {
    background: rgba(0, 0, 0, 0.2);
    padding: 10px;
    border-radius: 10px;
    flex: 1;
    min-width: 70px;
    text-align: center;
}

.stat-item.best {
    border: 1px solid var(--green-accent);
}

.stat-machine {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.stat-value {
    font-size: 0.75rem;
    color: var(--green-accent);
}

.stat-label {
    font-size: 0.6rem;
    color: var(--text-secondary);
    display: block;
}

.chart-container {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    padding: 15px;
    margin: 15px 0;
    height: 150px;
}

.explanation {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 300;
    line-height: 1.5;
    margin-top: 15px;
}

/* Responsive */
@media (max-width: 480px) {
    .screen {
        padding: 5px;
    }

    .training-container {
        padding: 20px 15px;
        margin: 10px 5px;
    }

    .training-container h1 {
        font-size: 1.3rem;
    }

    .slot-machine {
        width: 65px;
        padding: 8px;
    }

    .reel-display {
        font-size: 1.5rem;
    }

    .reels {
        min-height: 40px;
        padding: 6px;
    }

    .machine-number {
        font-size: 0.6rem;
    }

    .payout-display {
        font-size: 0.75rem;
    }

    header {
        padding: 8px 10px;
    }

    header h1 {
        font-size: 0.95rem;
    }

    .scoreboard {
        padding: 10px;
        gap: 12px;
    }

    .score-label {
        font-size: 0.6rem;
    }

    .score-value {
        font-size: 0.95rem;
    }

    .mode-btn {
        padding: 6px 14px;
        font-size: 0.75rem;
    }

    .game-log {
        padding: 10px;
    }

    #log-container {
        max-height: 60px;
        font-size: 0.6rem;
    }

    .modal-content {
        padding: 15px;
    }

    .stat-item {
        min-width: 55px;
        padding: 8px;
    }

    .stat-machine {
        font-size: 1rem;
    }
}