:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-color: #f8fafc;
    --accent-color: #fbbf24;
    --danger-color: #ef4444;
    --success-color: #22c55e;
    --neutral-color: #64748b;
    
    --wheel-red: #dc2626;
    --wheel-black: #171717;
    --wheel-green: #15803d;
    
    --radius-lg: 12px;
    --transition-fast: 0.2s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

.app-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    text-align: center;
    margin-bottom: 3rem;
}

header h1 {
    font-size: 2.5rem;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 2px;
}

header p {
    color: var(--neutral-color);
}

.variant-selector {
    margin-top: 1.5rem;
    display: flex;
    justify-content: center;
    gap: 1rem;
}

button {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--accent-color);
    background: transparent;
    color: var(--accent-color);
    font-weight: 600;
    cursor: pointer;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

button:hover {
    background: rgba(251, 191, 36, 0.1);
}

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

button.active {
    background: var(--accent-color);
    color: var(--bg-color);
}

button.btn-secondary {
    border-color: var(--neutral-color);
    color: var(--neutral-color);
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

button.collapse-btn {
    float: right;
    padding: 0.25rem 0.75rem;
    font-size: 1rem;
    line-height: 1;
    margin-top: -0.25rem;
    min-width: 32px;
}

button.chip-btn {
    padding: 0.5rem 1rem;
    background: rgba(251, 191, 36, 0.1);
    border: 2px solid var(--neutral-color);
    color: var(--neutral-color);
}

button.chip-btn.active {
    border-color: var(--accent-color);
    background: rgba(251, 191, 36, 0.2);
    color: var(--accent-color);
}

button.chip-btn:hover {
    background: rgba(251, 191, 36, 0.2);
}

button.btn-add-bet {
    width: 100%;
    padding: 1rem;
    background: var(--success-color);
    border: none;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
}

button.btn-add-bet:hover {
    background: #16a34a;
}

button.btn-spin-full {
    width: 100%;
    padding: 1.2rem;
    font-size: 1.1rem;
    background: var(--success-color);
    border: none;
    color: white;
    font-weight: 600;
    border-radius: var(--radius-lg);
    margin-top: 1rem;
}

button.btn-spin-full:hover:not(:disabled) {
    background: #16a34a;
}

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

.dashboard-layout {
    display: grid;
    grid-template-columns: 320px 1fr 300px; /* Left Sidebar, Center Wheel, Right Sidebar */
    gap: 1.5rem;
    align-items: start;
}

@media (max-width: 1400px) {
    .dashboard-layout {
        grid-template-columns: 1fr 1fr;
    }
    .col-center {
        grid-column: span 2;
        order: -1;
    }
}

@media (max-width: 900px) {
    .dashboard-layout {
        grid-template-columns: 1fr;
    }
    .col-center {
        grid-column: span 1;
    }
}

.col-center {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.wheel-stage-container {
    background: var(--card-bg);
    padding: 3rem;
    border-radius: 50%; /* Circular container? Or just rounded */
    border-radius: var(--radius-lg);
    border: 4px solid var(--accent-color);
    box-shadow: 0 0 40px rgba(0,0,0,0.5);
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    width: 100%;
    max-width: 600px;
}

.wheel-container {
    width: min(400px, 90vw);
    height: min(400px, 90vw);
    margin: 0 auto 2rem auto;
}

.wheel {
    width: min(360px, 80vw);
    height: min(360px, 80vw);
}

/* Theme Selector */
.theme-select {
    padding: 0.5rem;
    background: var(--bg-color);
    color: var(--accent-color);
    border: 2px solid var(--accent-color);
    border-radius: var(--radius-lg);
    cursor: pointer;
}

/* Badge for Last Result */
.last-result-display {
    text-align: center;
    margin-bottom: 1rem;
}
.large-badge {
    font-size: 3rem;
    display: block;
    width: 80px;
    height: 80px;
    line-height: 80px;
    margin: 0 auto;
    border-radius: 50%;
    background: var(--card-bg);
    border: 3px solid var(--neutral-color);
}

/* Horizontal History Log */
.horizontal-log {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding: 0.5rem;
    width: 100%;
    max-width: 400px;
    justify-content: center;
}

/* THEMES */
/* Default (Midnight) is :root */

/* Classic Green */
body[data-theme="classic"] {
    --bg-color: #064e3b;
    --card-bg: #065f46;
    --text-color: #ecfdf5;
    --accent-color: #fbbf24;
    --neutral-color: #a7f3d0;
    --wheel-red: #ef4444;
    --wheel-black: #022c22;
}

/* Casino Royale (Black/Gold) */
body[data-theme="royale"] {
    --bg-color: #0f0f0f;
    --card-bg: #1c1c1c;
    --text-color: #fafafa;
    --accent-color: #d4af37;
    --neutral-color: #a1a1aa;
    --success-color: #d4af37;
}

/* Cyberpunk */
body[data-theme="cyber"] {
    --bg-color: #0f0518;
    --card-bg: #1a0b2e;
    --text-color: #e2e8f0;
    --accent-color: #d946ef; /* Magenta */
    --success-color: #22d3ee; /* Cyan */
    --danger-color: #f43f5e;
    --neutral-color: #94a3b8;
}

/* Pink Paradigm */
body[data-theme="pink"] {
    --bg-color: #3f0e20;
    --card-bg: #5a1a30;
    --text-color: #fff1f2;
    --accent-color: #f472b6;
    --success-color: #f9a8d4;
    --danger-color: #fb7185;
    --neutral-color: #fbcfe8;
    --wheel-red: #be123c;
    --wheel-black: #280512;
}

.card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    margin-bottom: 1.5rem;
}

h2, h3 {
    margin-bottom: 1rem;
    color: var(--accent-color);
}

/* Bankroll Styles */
.bankroll-card {
    border: 2px solid var(--accent-color);
}

.bankroll-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.analysis-card .bankroll-grid {
    grid-template-columns: 1fr 1fr;
}

.bankroll-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.bankroll-item .label {
    font-size: 0.875rem;
    color: var(--neutral-color);
    margin-bottom: 0.5rem;
}

.bankroll-item .value {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--success-color);
}

/* Table Styles */
.table-wrapper {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

th {
    text-align: left;
    padding: 1rem;
    border-bottom: 2px solid var(--neutral-color);
    color: var(--neutral-color);
}

td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid rgba(100, 116, 139, 0.2);
}

/* Betting Card Styles */
.betting-card {
    grid-column: span 2;
}

.chip-selector {
    margin-bottom: 1.5rem;
}

.chip-selector label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.chips {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

@media (max-width: 768px) {
    .chips {
        grid-template-columns: repeat(2, 1fr);
    }
}

.chip-btn {
    padding: 0.75rem;
}

.chip-btn.all-in-btn {
    background: linear-gradient(135deg, #dc2626, #ef4444);
    border-color: #ef4444;
    color: white;
    font-weight: 700;
}

.chip-btn.all-in-btn:hover {
    background: linear-gradient(135deg, #b91c1c, #dc2626);
}

.bet-input-group {
    margin-bottom: 1.5rem;
}

.bet-input-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.bet-input-group select,
.bet-input-group input {
    width: 100%;
    padding: 0.75rem;
    background: var(--bg-color);
    border: 2px solid var(--neutral-color);
    color: white;
    border-radius: var(--radius-lg);
    font-size: 1rem;
}

.bet-input-group select:focus,
.bet-input-group input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.number-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.number-grid .number-btn {
    padding: 0.5rem;
    font-size: 0.9rem;
}

.number-grid .number-btn {
    background: rgba(100, 116, 139, 0.2);
    border: 1px solid var(--neutral-color); /* Added explicit border style */
    border-color: var(--neutral-color);
    color: var(--text-color);
    display: flex; /* Ensure centering for divs */
    align-items: center;
    justify-content: center;
    border-radius: 4px; /* Ensure consistency */
    cursor: pointer;
}

.number-grid .number-btn:hover {
    background: rgba(251, 191, 36, 0.1);
}

.number-grid .number-btn.selected {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--bg-color);
}

/* Color Classes for Grid Visualizer */
.number-btn.red { background-color: rgba(220, 38, 38, 0.2); border-color: var(--wheel-red); }
.number-btn.black { background-color: rgba(23, 23, 23, 0.4); border-color: #404040; }
.number-btn.green { background-color: rgba(21, 128, 61, 0.2); border-color: var(--wheel-green); }

.bet-summary {
    background: rgba(251, 191, 36, 0.05);
    border: 2px solid rgba(251, 191, 36, 0.2);
    padding: 1rem;
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.summary-row:last-child {
    margin-bottom: 0;
    border-top: 1px solid rgba(251, 191, 36, 0.2);
    padding-top: 0.75rem;
    margin-top: 0.75rem;
    color: var(--success-color);
}

.bet-buttons {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.placed-bets {
    border-top: 2px solid var(--neutral-color);
    padding-top: 1.5rem;
    margin-top: 1.5rem;
}

.placed-bets h3 {
    margin-bottom: 1rem;
}

.bets-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: 1rem;
}

.bet-item {
    background: rgba(100, 116, 139, 0.1);
    border-left: 4px solid var(--accent-color);
    padding: 0.75rem;
    border-radius: 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.95rem;
}

.bet-item-info {
    flex: 1;
}

.bet-item-type {
    font-weight: 600;
    color: var(--accent-color);
}

.bet-item-amount {
    color: var(--success-color);
    margin-top: 0.25rem;
    font-size: 0.9rem;
}

.bet-item-hist {
    font-size: 0.85em;
    color: var(--accent-color);
    margin-left: 0.5rem;
    opacity: 0.8;
}

.bet-item-remove {
    background: var(--danger-color);
    border: none;
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
    margin-left: 1rem;
}

.bet-item-remove:hover {
    background: #dc2626;
    opacity: 0.8;
}

.empty-bets {
    text-align: center;
    color: var(--neutral-color);
    padding: 1rem;
}

/* Wheel Styles */
.wheel-container {
    position: relative;
    width: min(400px, 90vw);
    height: min(400px, 90vw);
    margin: 2rem auto;
    display: flex;
    justify-content: center;
    align-items: center;
}

.wheel {
    width: min(360px, 80vw);
    height: min(360px, 80vw);
    border-radius: 50%;
    border: 8px solid #1e293b;
    position: relative;
    background-size: cover;
    transition: transform 5s cubic-bezier(0.1, 0, 0.1, 1);
    box-shadow: 0 0 50px rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Add a center hub to the wheel */
.wheel::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70px;
    height: 70px;
    background: radial-gradient(circle, #475569 0%, #1e293b 100%);
    border-radius: 50%;
    border: 4px solid #334155;
    z-index: 5;
}

.wheel-number {
    position: absolute;
    top: 50%;
    left: 50%;
    height: 100%;
    width: 20px;
    text-align: center;
    padding-top: 15px;
    font-weight: bold;
    font-size: 0.75rem;
    color: white;
    pointer-events: none;
    transform-origin: 50% 50%;
}

.ball {
    position: absolute;
    width: 14px;
    height: 14px;
    background: #fff;
    border-radius: 50%;
    z-index: 10;
    box-shadow: 0 0 4px rgba(0,0,0,0.8), inset -2px -2px 4px rgba(0,0,0,0.2);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(0deg) translateY(calc(-1 * (min(360px, 80vw) / 2 - 8px)));
}

.pointer {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 15px solid transparent;
    border-right: 15px solid transparent;
    border-top: 30px solid var(--accent-color);
    z-index: 20;
}

/* Stats Styles */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

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

.stat-card {
    background: var(--card-bg);
}

.stat-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.number-badge {
    background: var(--neutral-color);
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: bold;
}

.number-badge.red { background: var(--wheel-red); }
.number-badge.black { background: var(--wheel-black); }
.number-badge.green { background: var(--wheel-green); }
.number-badge.win { 
    background: var(--success-color);
    animation: pulse 0.5s ease;
}

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

.progress-bar {
    height: 8px;
    background: var(--bg-color);
    border-radius: 4px;
    margin-top: 1rem;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--accent-color);
    width: 0%;
    transition: width 0.5s ease;
}

/* History */
.history-log {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    min-height: 40px;
}

.history-card {
    grid-column: span 2;
}

@media (max-width: 1200px) {
    .history-card {
        grid-column: span 1;
    }
    
    .betting-card {
        grid-column: span 1;
    }
}

/* Audio Controls */
.card-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.card-header-row h2 {
    margin-bottom: 0;
}

.toggle-wrapper {
    display: flex;
    align-items: center;
    color: var(--neutral-color);
}

.full-width-select {
    width: 100%;
    padding: 0.75rem;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--neutral-color);
    border-radius: var(--radius-lg);
    color: var(--text-color);
    font-size: 1rem;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%2364748b%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem top 50%;
    background-size: 0.65rem auto;
}

.full-width-select:focus {
    outline: none;
    border-color: var(--accent-color);
}

/* Toggle Switch */
.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.switch input { 
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #0f172a; /* darker bg */
  border: 1px solid var(--neutral-color);
  transition: .3s;
  border-radius: 24px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background-color: var(--neutral-color);
  transition: .3s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
}

input:checked + .slider:before {
  transform: translateX(20px);
  background-color: #000;
}

/* Fullscreen Mode */
.exit-fullscreen-btn {
    display: none;
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    padding: 0.75rem 1.5rem;
    background: rgba(15, 23, 42, 0.9);
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    border-radius: var(--radius-lg);
    cursor: pointer;
    backdrop-filter: blur(5px);
}

.exit-fullscreen-btn:hover {
    background: rgba(251, 191, 36, 0.2);
}

body.is-fullscreen .exit-fullscreen-btn {
    display: block;
}

body.is-fullscreen header {
    display: none;
}

body.is-fullscreen .info-panel {
    display: none;
}

body.is-fullscreen .grid-layout {
    grid-template-columns: 1fr;
    max-width: 1000px;
    margin: 0 auto;
    padding-top: 2rem;
}

body.is-fullscreen .app-container {
    padding: 1rem;
}

/* Probability Lab */
.calc-group {
    margin-bottom: 1rem;
}

.calc-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--neutral-color);
    font-size: 0.9rem;
}

.calc-stat-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.95rem;
}

input[type=range] {
    -webkit-appearance: none;
    background: transparent;
}

input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none;
    height: 16px;
    width: 16px;
    border-radius: 50%;
    background: var(--accent-color);
    cursor: pointer;
    margin-top: -6px;
}

input[type=range]::-webkit-slider-runnable-track {
    width: 100%;
    height: 4px;
    cursor: pointer;
    background: var(--neutral-color);
    border-radius: 2px;
}

input[type=range]:focus {
    outline: none;
}

/* --- LESSON & PROBABILITY UI --- */

.tab-btn {
    flex: 1;
    padding: 0.5rem;
    border: none;
    background: transparent;
    color: var(--neutral-color);
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
}

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

.tab-btn.active {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
}

.mini-grid .number-btn {
    font-size: 0.7rem;
    padding: 0.25rem;
    min-height: 25px;
}

.math-board {
    background: rgba(0,0,0,0.3);
    padding: 1rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255,255,255,0.05);
}

/* Event Highlighting in Lesson Grid */
.number-btn.is-event-a {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background: rgba(251, 191, 36, 0.15);
    box-shadow: 0 0 5px rgba(251, 191, 36, 0.2);
}

.number-btn.is-event-b {
    border-color: var(--success-color);
    color: var(--success-color);
    background: rgba(34, 197, 94, 0.15);
    box-shadow: 0 0 5px rgba(34, 197, 94, 0.2);
}

.number-btn.is-overlap {
    border-color: #fff;
    color: #fff;
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.4) 0%, rgba(34, 197, 94, 0.4) 100%);
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.3);
    font-weight: bold;
}

/* --- Settings & Controls --- */
.settings-group { margin-bottom: 1rem; }
.settings-label { display: block; margin-bottom: 0.5rem; font-weight: 500; }
.settings-divider { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 1rem; }
.settings-select-spaced { margin-bottom: 0.75rem; }
.toggle-row { display: flex; gap: 1rem; align-items: center; }
.toggle-label { display: flex; align-items: center; gap: 0.5rem; }
.toggle-label-text { font-size: 0.9rem; }
.fullscreen-spacer { margin-left: 1rem; }
.full-width-btn { width: 100%; }
.bankroll-reset-btn { width: 100%; margin-top: 0.5rem; }

/* --- Probability Lab --- */
.calc-group-spaced { margin-top: 0.5rem; }
.calc-row { display: flex; justify-content: space-between; }
.calc-combined { margin-top: 1rem; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 0.5rem; }
.calc-two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; margin-bottom: 0.5rem; }
.calc-selection-label { font-size: 0.8rem; color: var(--neutral-color); margin-bottom: 0.2rem; }
.calc-selection-grid { grid-template-columns: repeat(3, 1fr); }
.calc-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; font-size: 0.8rem; opacity: 0.8; }

/* --- Lessons --- */
.tab-nav { display: flex; gap: 0.5rem; margin-bottom: 1rem; border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 0.5rem; }
.lesson-select-spaced { margin-bottom: 1rem; }
.event-selectors { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; margin-bottom: 1rem; }
.event-label-a { color: var(--accent-color); font-weight: bold; }
.event-label-b { color: var(--success-color); font-weight: bold; }
.lesson-mini-grid { grid-template-columns: repeat(4, 1fr); max-height: 100px; overflow-y: auto; }
.lesson-full-grid { grid-template-columns: repeat(6, 1fr); }
.math-title { font-size: 0.8rem; color: var(--neutral-color); text-transform: uppercase; }
.math-formula { font-family: monospace; margin: 0.5rem 0; }
.math-calculation { font-family: monospace; color: var(--neutral-color); font-size: 0.9rem; }
.math-result { font-weight: bold; font-size: 1.2rem; margin-top: 0.5rem; }
.math-compare { font-size: 0.8rem; font-weight: normal; margin-top: 0.5rem; }
.grid-legend { display: flex; justify-content: space-between; font-size: 0.8rem; margin-bottom: 0.5rem; }
.legend-swatch { display: inline-block; width: 10px; height: 10px; margin-right: 5px; }
.legend-swatch-a { background: var(--accent-color); }
.legend-swatch-b { background: var(--success-color); }
.legend-swatch-overlap { background: #fff; }
.bible-intro { margin-bottom: 1rem; font-size: 0.9rem; color: var(--neutral-color); }

/* --- Sequence Tab --- */
.seq-intro { font-size: 0.9rem; margin-bottom: 1rem; }
.control-row { margin-bottom: 0.5rem; }
.control-row-spaced { margin-bottom: 1rem; }
.seq-select-spaced { margin-top: 0.25rem; }
.seq-count-input { width: 60px; padding: 0.25rem; }
.seq-math-board { margin: 1rem 0; }

/* --- Toast Notifications --- */
#toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    pointer-events: none;
}

.toast {
    pointer-events: auto;
    min-width: 250px;
    max-width: 360px;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    background: rgba(20, 20, 30, 0.95);
    color: #fff;
    font-size: 0.9rem;
    border-left: 4px solid var(--neutral-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    animation: toast-in 0.3s ease forwards;
}

.toast.toast-out {
    animation: toast-out 0.3s ease forwards;
}

.toast-error   { border-left-color: var(--danger-color, #e74c3c); }
.toast-success { border-left-color: var(--success-color, #2ecc71); }
.toast-info    { border-left-color: var(--accent-color, #3498db); }

@keyframes toast-in {
    from { opacity: 0; transform: translateX(100%); }
    to   { opacity: 1; transform: translateX(0); }
}

@keyframes toast-out {
    from { opacity: 1; transform: translateX(0); }
    to   { opacity: 0; transform: translateX(100%); }
}

/* --- Accessibility: Focus Visible --- */
.number-btn:focus-visible,
.chip-btn:focus-visible,
.tab-btn:focus-visible,
.collapse-btn:focus-visible,
.btn-add-bet:focus-visible,
.btn-spin-full:focus-visible,
.btn-secondary:focus-visible {
    outline: 2px solid var(--accent-color, #3498db);
    outline-offset: 2px;
}

select:focus-visible,
input[type="number"]:focus-visible,
input[type="text"]:focus-visible {
    outline: 2px solid var(--accent-color, #3498db);
    outline-offset: 1px;
}

/* --- Accessibility: Color-Blind Safe Indicators --- */
.number-badge {
    position: relative;
}
.number-badge.red::before,
.number-badge.black::before,
.number-badge.green::before {
    position: absolute;
    top: -4px;
    right: -4px;
    font-size: 0.55em;
    line-height: 1;
    opacity: 0.7;
    pointer-events: none;
}
.number-badge.red::before   { content: "R"; }
.number-badge.black::before { content: "B"; }
.number-badge.green::before { content: "G"; }
.large-badge.red::before,
.large-badge.black::before,
.large-badge.green::before {
    top: 2px;
    right: 2px;
    font-size: 0.35em;
}

/* --- Enhanced Visual Feedback --- */

/* 1. Win glow on result badge */
.large-badge.win {
    animation: winGlow 0.5s ease;
}
@keyframes winGlow {
    0%   { box-shadow: 0 0 0 0 var(--success-color); }
    50%  { box-shadow: 0 0 20px 8px var(--success-color); }
    100% { box-shadow: 0 0 0 0 var(--success-color); }
}

/* Loss shake on balance */
.balance-shake {
    animation: shake 0.4s ease;
}
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%      { transform: translateX(-4px); }
    40%      { transform: translateX(4px); }
    60%      { transform: translateX(-3px); }
    80%      { transform: translateX(2px); }
}

/* 2. Chip micro-interactions */
button.chip-btn {
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
button.chip-btn.active {
    transform: scale(1.05);
}
button.chip-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

/* 3. Bet item entrance */
.bet-item-new {
    animation: slideIn 0.3s ease forwards;
}
@keyframes slideIn {
    from { opacity: 0; transform: translateX(-20px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* 4. Spin button pulse when enabled */
button.btn-spin-full:not(:disabled) {
    animation: spinPulse 1.5s ease infinite;
}
button.btn-spin-full:disabled,
button.btn-spin-full.spinning {
    animation: none;
}
@keyframes spinPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4); }
    50%      { box-shadow: 0 0 12px 4px rgba(59, 130, 246, 0.2); }
}

/* 5. History badge entrance */
.history-log .number-badge:first-child {
    animation: badgeEnter 0.3s ease;
}
@keyframes badgeEnter {
    0%   { transform: scale(0.5); opacity: 0; }
    70%  { transform: scale(1.1); }
    100% { transform: scale(1); opacity: 1; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .large-badge.win,
    .balance-shake,
    .bet-item-new,
    button.btn-spin-full:not(:disabled),
    .history-log .number-badge:first-child,
    .toast,
    .toast.toast-out {
        animation: none;
    }
    button.chip-btn,
    button.chip-btn.active,
    button.chip-btn:hover {
        transition: none;
        transform: none;
    }
}

/* --- Responsive: Mobile --- */
@media (max-width: 500px) {
    .app-container {
        padding: 1rem;
    }
    header h1 {
        font-size: 1.75rem;
    }
    .card {
        padding: 1rem;
    }
    .wheel-stage-container {
        padding: 1.5rem;
    }
    .large-badge {
        font-size: 2rem;
        width: 56px;
        height: 56px;
        line-height: 56px;
    }
    .number-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    button, .chip-btn, .bet-item-remove {
        min-height: 44px;
    }
}

@media (max-width: 768px) {
    .number-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Horizontal History Scroll polish */
.horizontal-log {
    scrollbar-width: thin;
    scrollbar-color: var(--accent-color) transparent;
}
.horizontal-log::-webkit-scrollbar {
    height: 6px;
}
.horizontal-log::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 3px;
}
.horizontal-log .number-badge {
    min-width: 30px;
    flex-shrink: 0;
}