/* SPLIT - Modern Minimal Casino Style */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@500;700&display=swap');

:root {
    --bg-dark: #0d0d0f;
    --bg-card: #141417;
    --bg-elevated: #1a1a1f;
    --bg-input: #0a0a0c;
    --text: #e8e8ec;
    --text-dim: #6b6b75;
    --text-muted: #3d3d45;
    --green: #00d26a;
    --green-glow: rgba(0, 210, 106, 0.4);
    --red: #ff3b5c;
    --orange: #ff9f1c;
    --purple: #9d4edd;
    --border: #2a2a30;
    --border-light: #3a3a42;
}

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

body {
    font-family: 'Space Grotesk', -apple-system, sans-serif;
    background: var(--bg-dark);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 16px;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    margin-bottom: 16px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: var(--green);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    color: #000;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--text);
}

.balance-display {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-elevated);
    border-radius: 10px;
    border: 1px solid var(--border);
}

.balance-label {
    font-size: 11px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.balance-amount {
    font-family: 'JetBrains Mono', monospace;
    font-size: 18px;
    font-weight: 700;
    color: var(--green);
}

/* Game Area */
.game-area {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 16px;
}

/* Controls Panel */
.controls-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.control-group label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.bet-input-group {
    display: flex;
    align-items: center;
    background: var(--bg-input);
    border-radius: 10px;
    border: 1px solid var(--border);
    overflow: hidden;
}

.bet-input-group .currency {
    padding: 0 12px;
    color: var(--text-dim);
    font-weight: 600;
    font-size: 14px;
}

.bet-input-group input {
    flex: 1;
    background: none;
    border: none;
    color: var(--text);
    font-family: 'JetBrains Mono', monospace;
    font-size: 16px;
    font-weight: 600;
    padding: 12px 8px;
    outline: none;
    min-width: 0;
}

.bet-buttons {
    display: flex;
    border-left: 1px solid var(--border);
}

.bet-buttons button {
    background: transparent;
    border: none;
    border-left: 1px solid var(--border);
    color: var(--text-dim);
    padding: 12px 14px;
    cursor: pointer;
    font-weight: 600;
    font-size: 13px;
    transition: all 0.15s;
}

.bet-buttons button:first-child {
    border-left: none;
}

.bet-buttons button:hover {
    background: var(--bg-elevated);
    color: var(--text);
}

/* Buttons */
.bet-button {
    background: var(--green);
    border: none;
    padding: 14px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 700;
    color: #000;
    cursor: pointer;
    transition: all 0.15s;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.bet-button:hover:not(:disabled) {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

.bet-button:active:not(:disabled) {
    transform: translateY(0);
}

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

.drop-button {
    background: linear-gradient(135deg, var(--orange), #e68a00);
    border: none;
    padding: 18px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    color: #000;
    cursor: pointer;
    transition: all 0.15s;
    text-transform: uppercase;
    letter-spacing: 3px;
    position: relative;
    overflow: hidden;
}

.drop-button::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transform: translateX(-100%);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    100% { transform: translateX(100%); }
}

.drop-button:hover {
    filter: brightness(1.1);
    transform: scale(1.02);
}

.drop-button.hidden {
    display: none;
}

/* Decision Panel */
.decision-panel {
    background: var(--bg-elevated);
    border: 2px solid var(--green);
    border-radius: 12px;
    padding: 16px;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.98); }
    to { opacity: 1; transform: scale(1); }
}

.decision-panel.hidden {
    display: none;
}

.decision-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.split-text {
    font-size: 14px;
    font-weight: 700;
    color: var(--green);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.current-multi {
    font-family: 'JetBrains Mono', monospace;
    font-size: 28px;
    font-weight: 700;
    color: var(--green);
}

.decision-info {
    background: var(--bg-input);
    border-radius: 8px;
    padding: 10px 12px;
    margin-bottom: 12px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    font-size: 13px;
}

.info-row span:first-child {
    color: var(--text-dim);
}

.win-amount {
    font-family: 'JetBrains Mono', monospace;
    color: var(--green);
    font-weight: 600;
}

.next-multi {
    font-family: 'JetBrains Mono', monospace;
    color: var(--orange);
    font-weight: 600;
}

.decision-buttons {
    display: flex;
    gap: 8px;
}

.cash-out-btn, .continue-btn {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cash-out-btn {
    background: var(--green);
    color: #000;
}

.cash-out-btn:hover {
    filter: brightness(1.1);
}

.continue-btn {
    background: var(--orange);
    color: #000;
}

.continue-btn:hover {
    filter: brightness(1.1);
}

.risk-warning {
    margin-top: 10px;
    font-size: 10px;
    color: var(--text-muted);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Result Display */
.result-display {
    background: var(--bg-elevated);
    border-radius: 12px;
    padding: 16px;
    text-align: center;
}

.result-display.hidden {
    display: none;
}

.result-header {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.result-payout {
    display: flex;
    flex-direction: column;
    gap: 4px;
    align-items: center;
}

.result-payout .multiplier {
    font-family: 'JetBrains Mono', monospace;
    font-size: 32px;
    font-weight: 700;
    color: var(--green);
}

.multiplier.lost {
    color: var(--red);
}

.profit {
    font-family: 'JetBrains Mono', monospace;
    font-size: 18px;
    font-weight: 600;
}

.profit.positive {
    color: var(--green);
}

.profit.negative {
    color: var(--red);
}

/* Game Rules */
.game-rules {
    background: var(--bg-elevated);
    border-radius: 10px;
    padding: 14px;
    margin-top: auto;
}

.game-rules h4 {
    font-size: 11px;
    margin-bottom: 10px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.game-rules ol {
    font-size: 11px;
    color: var(--text-dim);
    line-height: 1.7;
    padding-left: 16px;
}

.game-rules li {
    padding: 1px 0;
}

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

.multiplier-ladder {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
}

.multiplier-ladder span {
    color: var(--green);
    opacity: 0.7;
}

.multiplier-ladder span.max {
    color: var(--orange);
    opacity: 1;
}

/* Game Panel */
.game-panel {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Canvas Container */
.canvas-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    height: 480px;
    position: relative;
}

#gameCanvas {
    display: block;
    width: 100%;
    height: 100%;
}

/* History Panel */
.history-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px;
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.history-header span {
    font-weight: 600;
    font-size: 11px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.fairness-btn {
    background: transparent;
    border: 1px solid var(--purple);
    color: var(--purple);
    padding: 5px 10px;
    border-radius: 6px;
    font-size: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.fairness-btn:hover {
    background: var(--purple);
    color: #000;
}

.history-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.history-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background: var(--bg-elevated);
    border-radius: 6px;
    font-size: 12px;
}

.history-item .icon {
    font-size: 10px;
}

.history-item .multi {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
    color: var(--green);
}

.history-item .multi.lost {
    color: var(--red);
}

.history-item .amount {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
}

.history-item .amount.positive {
    color: var(--green);
}

.history-item .amount.negative {
    color: var(--red);
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    padding: 20px;
    backdrop-filter: blur(4px);
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    max-width: 420px;
    width: 100%;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.modal-header h2 {
    font-size: 16px;
    font-weight: 600;
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-dim);
    font-size: 20px;
    cursor: pointer;
    padding: 4px;
    line-height: 1;
}

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

.modal-body {
    padding: 20px;
}

.fairness-section {
    margin-bottom: 16px;
}

.fairness-section label {
    display: block;
    font-size: 10px;
    font-weight: 600;
    color: var(--text-dim);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.seed-display {
    display: flex;
    gap: 6px;
}

.seed-display input {
    flex: 1;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 12px;
    color: var(--text);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
}

.seed-display button {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    padding: 10px 14px;
    border-radius: 8px;
    color: var(--text);
    cursor: pointer;
    transition: all 0.15s;
    font-size: 12px;
}

.seed-display button:hover {
    background: var(--border);
}

.rotate-btn {
    width: 100%;
    background: var(--purple);
    border: none;
    padding: 12px;
    border-radius: 8px;
    color: #fff;
    font-weight: 600;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.15s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.rotate-btn:hover {
    filter: brightness(1.1);
}

.verification-result {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.verification-result.hidden {
    display: none;
}

.revealed-seed {
    margin-bottom: 12px;
}

.revealed-seed label {
    display: block;
    font-size: 10px;
    color: var(--text-muted);
    margin-bottom: 4px;
    text-transform: uppercase;
}

.revealed-seed input {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px 10px;
    color: var(--text);
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
}

.verify-status {
    font-weight: 600;
    font-size: 12px;
    text-align: center;
    padding: 8px;
    border-radius: 6px;
    background: var(--bg-elevated);
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 12px;
    }
    
    .game-area {
        grid-template-columns: 1fr;
    }
    
    .controls-panel {
        order: 2;
    }
    
    .game-panel {
        order: 1;
    }
    
    .canvas-container {
        height: 380px;
    }
    
    .header {
        flex-wrap: wrap;
        gap: 12px;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Remove default number input arrows */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type="number"] {
    -moz-appearance: textfield;
}