/* === Reset & Base === */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #131722;
    --bg-card: #1c2030;
    --bg-panel: #161a25;
    --border: #2a2e3e;
    --border-hover: #3a3e4e;
    --text-primary: #d1d4dc;
    --text-secondary: #787b86;
    --text-muted: #4a4e5a;
    --accent-green: #00c853;
    --accent-green-dim: #00c85322;
    --accent-green-hover: #00e676;
    --accent-red: #ff1744;
    --accent-red-dim: #ff174422;
    --accent-red-hover: #ff5252;
    --accent-blue: #2196f3;
    --accent-blue-hover: #42a5f5;
    --accent-yellow: #ffc107;
    --accent-purple: #ab47bc;
    --grade-s: #ffd700;
    --grade-a: #00c853;
    --grade-b: #2196f3;
    --grade-c: #ffc107;
    --grade-d: #ff9800;
    --grade-f: #ff1744;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
    --transition-fast: 150ms ease;
    --transition-normal: 200ms ease;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
}

/* === Reduced Motion === */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* === Focus States (Accessibility) === */
:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}
:focus:not(:focus-visible) {
    outline: none;
}

/* === Screens === */
.screen {
    display: none;
    width: 100%;
    min-height: 100vh;
}
.screen.active {
    display: flex;
}

/* === Lobby === */
.lobby-container {
    margin: auto;
    padding: 40px 24px;
    text-align: center;
    max-width: 520px;
    width: 100%;
}

.lobby-title {
    font-size: clamp(1.8rem, 5vw, 2.6rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.lobby-subtitle {
    color: var(--text-secondary);
    margin-bottom: 36px;
    font-size: 1rem;
}

.lobby-form {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    text-align: left;
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
    font-weight: 500;
}

.form-group input[type="text"] {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}
.form-group input[type="text"]:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.15);
}

.form-group input[type="range"] {
    width: 100%;
    accent-color: var(--accent-blue);
    cursor: pointer;
    height: 6px;
}

.checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-primary);
    min-height: 32px;
}
.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent-blue);
    cursor: pointer;
}

.indicator-checkboxes {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 14px;
    margin-top: 6px;
}

/* === Buttons === */
.btn {
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: 600;
    min-height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    user-select: none;
}
.btn:hover {
    background: var(--bg-panel);
    border-color: var(--border-hover);
}
.btn:active {
    transform: scale(0.97);
}
.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}
.btn-sm {
    padding: 4px 10px;
    font-size: 0.78rem;
    min-height: 30px;
}
.btn-lg {
    padding: 14px 32px;
    font-size: 1rem;
    min-height: 48px;
}
.btn-primary {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: #fff;
    width: 100%;
    margin-top: 8px;
}
.btn-primary:hover {
    background: var(--accent-blue-hover);
    border-color: var(--accent-blue-hover);
    box-shadow: 0 4px 16px rgba(33, 150, 243, 0.3);
}
.btn-buy {
    background: var(--accent-green-dim);
    border-color: var(--accent-green);
    color: var(--accent-green);
    flex: 1;
    min-height: 44px;
    font-size: 0.88rem;
    font-weight: 700;
}
.btn-buy:hover {
    background: var(--accent-green);
    color: #000;
    box-shadow: 0 0 16px rgba(0, 200, 83, 0.25);
}
.btn-sell {
    background: var(--accent-red-dim);
    border-color: var(--accent-red);
    color: var(--accent-red);
    flex: 1;
    min-height: 44px;
    font-size: 0.88rem;
    font-weight: 700;
}
.btn-sell:hover {
    background: var(--accent-red);
    color: #fff;
    box-shadow: 0 0 16px rgba(255, 23, 68, 0.25);
}

/* Button loading spinner */
.btn .spinner {
    width: 14px;
    height: 14px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* === Game Header === */
.game-header {
    display: flex;
    align-items: center;
    padding: 8px 16px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    gap: 16px;
    flex-shrink: 0;
    min-height: 52px;
}

.header-left {
    min-width: 160px;
}

.progress-container {
    position: relative;
    height: 22px;
    background: var(--bg-card);
    border-radius: 11px;
    overflow: hidden;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.3);
}
.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-green));
    border-radius: 11px;
    transition: width 0.4s ease-out;
    width: 0%;
}
.progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.72rem;
    font-weight: 700;
    color: #fff;
    text-shadow: 0 1px 3px rgba(0,0,0,0.8);
}

.header-center {
    flex: 1;
    min-width: 0;
}

.stat-group {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}
.stat {
    text-align: center;
    min-width: 70px;
}
.stat-label {
    display: block;
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 1px;
}
.stat-value {
    font-size: 0.9rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}
.stat-value.positive { color: var(--accent-green); }
.stat-value.negative { color: var(--accent-red); }

.header-right {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.speed-control {
    display: flex;
    gap: 2px;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    padding: 2px;
}
.speed-btn {
    border-radius: 4px;
    border-color: transparent;
    background: transparent;
    min-height: 28px;
}
.speed-btn:hover {
    background: var(--bg-panel);
}
.speed-btn.active {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: #fff;
}

/* === Game Content === */
#game-screen {
    flex-direction: column;
    height: 100vh;
}

.game-content {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.chart-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.chart-container {
    flex: 1;
    min-height: 0;
}
.chart-container.chart-small {
    flex: 0 0 120px;
}

.sub-chart-tabs {
    display: flex;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 0 8px;
    gap: 4px;
}
.tab-btn {
    padding: 6px 16px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-muted);
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    min-height: 32px;
}
.tab-btn:hover {
    color: var(--text-secondary);
}
.tab-btn.active {
    color: var(--accent-blue);
    border-bottom-color: var(--accent-blue);
}

/* === Sidebar === */
.sidebar {
    width: 280px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    border-left: 1px solid var(--border);
    background: var(--bg-secondary);
    overflow-y: auto;
}

.panel {
    padding: 14px;
    border-bottom: 1px solid var(--border);
}
.panel h3 {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
    font-weight: 700;
}

/* Trading Panel */
.trade-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.trade-group {
    display: flex;
    align-items: center;
    gap: 6px;
}
.trade-label {
    font-size: 0.72rem;
    font-weight: 800;
    width: 36px;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

/* Keyboard hint badges */
.kbd-hint {
    font-size: 0.6rem;
    color: var(--text-muted);
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 1px 4px;
    margin-left: 4px;
    font-family: monospace;
    vertical-align: middle;
}

/* Signals */
.signal-list {
    max-height: 200px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 3px;
}
.signal-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.73rem;
    font-weight: 600;
    animation: signalFadeIn 0.3s ease-out;
}
@keyframes signalFadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}
.signal-badge.bullish {
    background: var(--accent-green-dim);
    color: var(--accent-green);
    border: 1px solid rgba(0, 200, 83, 0.3);
}
.signal-badge.bearish {
    background: var(--accent-red-dim);
    color: var(--accent-red);
    border: 1px solid rgba(255, 23, 68, 0.3);
}
.signal-strength {
    margin-left: auto;
    font-size: 0.65rem;
    opacity: 0.6;
}

/* Trade History */
.trade-history {
    max-height: 260px;
    overflow-y: auto;
}
.trade-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 0;
    border-bottom: 1px solid rgba(42, 46, 62, 0.5);
    font-size: 0.78rem;
    gap: 8px;
}
.trade-item:last-child {
    border-bottom: none;
}
.trade-item .trade-side {
    font-weight: 800;
    text-transform: uppercase;
    font-size: 0.7rem;
    min-width: 32px;
}
.trade-item .trade-side.buy { color: var(--accent-green); }
.trade-item .trade-side.sell { color: var(--accent-red); }
.trade-item .trade-pnl {
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}
.trade-item .trade-pnl.positive { color: var(--accent-green); }
.trade-item .trade-pnl.negative { color: var(--accent-red); }

.empty-state {
    color: var(--text-muted);
    font-size: 0.78rem;
    text-align: center;
    padding: 16px 12px;
    font-style: italic;
}

/* === Event Card Overlay === */
.event-overlay {
    position: fixed;
    top: 70px;
    right: 296px;
    z-index: 100;
    pointer-events: none;
}
.event-overlay.hidden { display: none; }

.event-card {
    background: rgba(19, 23, 34, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    width: 320px;
    animation: slideInEvent 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: var(--shadow-lg), 0 0 40px rgba(0,0,0,0.3);
}

@keyframes slideInEvent {
    from { transform: translateX(40px) scale(0.95); opacity: 0; }
    to { transform: translateX(0) scale(1); opacity: 1; }
}

.event-severity {
    font-size: 0.65rem;
    text-transform: uppercase;
    font-weight: 800;
    letter-spacing: 1.5px;
    margin-bottom: 6px;
}
.event-severity.minor { color: var(--accent-yellow); }
.event-severity.major { color: var(--accent-purple); }
.event-severity.black_swan {
    color: var(--accent-red);
    text-shadow: 0 0 8px rgba(255, 23, 68, 0.5);
}

.event-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.event-description {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 12px;
}

.event-direction {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 4px;
    display: inline-block;
    letter-spacing: 0.3px;
}
.event-direction.bullish {
    background: var(--accent-green-dim);
    color: var(--accent-green);
}
.event-direction.bearish {
    background: var(--accent-red-dim);
    color: var(--accent-red);
}
.event-direction.neutral {
    background: rgba(255,255,255,0.06);
    color: var(--text-secondary);
}

/* === Modal Overlay === */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.75);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    animation: modalFadeIn 0.2s ease-out;
}
@keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
.modal-overlay.hidden { display: none; }

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    max-width: 480px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: modalSlideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes modalSlideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}
.modal-content h2 {
    margin-bottom: 16px;
    text-align: center;
    font-weight: 700;
}

/* === Results Screen === */
#results-screen {
    flex-direction: column;
    align-items: center;
    padding: 40px 20px;
    overflow-y: auto;
    background: radial-gradient(ellipse at 50% 0%, rgba(33, 150, 243, 0.06) 0%, transparent 60%);
}

.results-container {
    max-width: 800px;
    width: 100%;
    animation: resultsFadeIn 0.6s ease-out;
}
@keyframes resultsFadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.grade-display {
    text-align: center;
    margin-bottom: 40px;
}

.grade-letter {
    font-size: clamp(5rem, 12vw, 8rem);
    font-weight: 900;
    line-height: 1;
    animation: gradeGlow 2s ease-in-out infinite alternate;
    letter-spacing: -0.02em;
}
.grade-letter.S { color: var(--grade-s); }
.grade-letter.A { color: var(--grade-a); }
.grade-letter.B { color: var(--grade-b); }
.grade-letter.C { color: var(--grade-c); }
.grade-letter.D { color: var(--grade-d); }
.grade-letter.F { color: var(--grade-f); }

@keyframes gradeGlow {
    from { text-shadow: 0 0 20px currentColor; filter: brightness(1); }
    to { text-shadow: 0 0 40px currentColor, 0 0 80px currentColor; filter: brightness(1.1); }
}

.grade-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-top: 8px;
}
.grade-score {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-top: 4px;
    font-variant-numeric: tabular-nums;
}

.results-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 28px;
}

.result-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
    transition: border-color var(--transition-normal);
}
.result-card:hover {
    border-color: var(--border-hover);
}
.result-card h3 {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 14px;
    font-weight: 700;
}

.metrics-table {
    width: 100%;
    font-size: 0.85rem;
}
.metrics-table td {
    padding: 5px 0;
}
.metrics-table td:first-child {
    color: var(--text-secondary);
}
.metrics-table td:last-child {
    text-align: right;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

#score-breakdown .score-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    font-size: 0.82rem;
}
#score-breakdown .score-bar-label {
    width: 90px;
    color: var(--text-secondary);
    font-weight: 500;
}
#score-breakdown .score-bar-fill {
    flex: 1;
    height: 8px;
    background: var(--bg-card);
    border-radius: 4px;
    overflow: hidden;
}
#score-breakdown .score-bar-fill-inner {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-green));
    border-radius: 4px;
    transition: width 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
#score-breakdown .score-bar-val {
    width: 40px;
    text-align: right;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.result-card ul {
    list-style: none;
    padding: 0;
}
.result-card ul li {
    padding: 5px 0;
    font-size: 0.85rem;
    color: var(--text-primary);
    line-height: 1.4;
}
.result-card ul li::before {
    content: "\2022 ";
    color: var(--accent-blue);
    font-weight: 700;
}

#play-again-btn {
    display: block;
    margin: 0 auto;
    max-width: 300px;
}

/* === Scrollbar === */
::-webkit-scrollbar {
    width: 5px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* === Midgame eval content === */
.midgame-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 16px;
}
.midgame-metric {
    background: var(--bg-card);
    padding: 12px;
    border-radius: 8px;
    text-align: center;
    border: 1px solid var(--border);
}
.midgame-metric .val {
    font-size: 1.2rem;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
}
.midgame-metric .lbl {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 2px;
}
.midgame-tips {
    margin-top: 14px;
}
.midgame-tips li {
    padding: 5px 0;
    font-size: 0.85rem;
    color: var(--text-primary);
    line-height: 1.4;
}

/* === Mode Toggle === */
.mode-toggle {
    display: flex;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    padding: 3px;
    gap: 3px;
}
.mode-btn {
    flex: 1;
    padding: 8px 12px;
    background: transparent;
    border: none;
    border-radius: 4px;
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}
.mode-btn:hover {
    color: var(--text-primary);
}
.mode-btn.active {
    background: var(--accent-blue);
    color: #fff;
}

/* === Instrument Cards === */
.instrument-cards {
    display: flex;
    gap: 10px;
}
.instrument-card {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 14px 12px;
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}
.instrument-card:hover {
    border-color: var(--border-hover);
}
.instrument-card.selected {
    border-color: var(--accent-blue);
    background: rgba(33, 150, 243, 0.08);
}
.instrument-ticker {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--text-primary);
}
.instrument-name {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* === News History Panel === */
.news-history {
    max-height: 200px;
    overflow-y: auto;
}
.news-item {
    padding: 6px 0;
    border-bottom: 1px solid rgba(42, 46, 62, 0.5);
    animation: signalFadeIn 0.3s ease-out;
}
.news-item:last-child {
    border-bottom: none;
}
.news-item-date {
    font-size: 0.65rem;
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
}
.news-item-title {
    font-size: 0.78rem;
    color: var(--text-primary);
    line-height: 1.3;
    margin: 2px 0;
}
.news-item-source {
    font-size: 0.65rem;
    color: var(--text-secondary);
}
.news-badge {
    display: inline-block;
    background: var(--accent-red);
    color: #fff;
    font-size: 0.6rem;
    font-weight: 800;
    padding: 1px 5px;
    border-radius: 10px;
    margin-left: 6px;
    vertical-align: middle;
}

/* === News Modal === */
.news-modal-content {
    text-align: center;
}
.news-modal-date {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    font-variant-numeric: tabular-nums;
}
.news-modal-title {
    font-size: 1.1rem;
    line-height: 1.4;
    margin-bottom: 8px;
}
.news-modal-source {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}
.news-actions {
    display: flex;
    gap: 10px;
}
.news-actions .btn {
    flex: 1;
    min-height: 44px;
    font-size: 0.88rem;
    font-weight: 700;
}

/* === Equity Mini Chart === */
.equity-mini-chart {
    height: 80px;
    margin-bottom: 10px;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

/* === Performance Metrics === */
.perf-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}
.perf-metrics.perf-metrics-7 {
    grid-template-columns: repeat(3, 1fr);
}
.perf-metric {
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    padding: 8px;
    text-align: center;
    border: 1px solid var(--border);
}
.perf-value {
    font-size: 0.95rem;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
}
.perf-value.positive { color: var(--accent-green); }
.perf-value.negative { color: var(--accent-red); }
.perf-label {
    font-size: 0.6rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 2px;
}

/* === Date Reveal (Results) === */
.date-reveal {
    font-size: 0.95rem;
    color: var(--accent-blue);
    margin-top: 12px;
    padding: 10px 20px;
    background: rgba(33, 150, 243, 0.08);
    border: 1px solid rgba(33, 150, 243, 0.2);
    border-radius: var(--radius-sm);
    display: inline-block;
}
.date-reveal.hidden { display: none; }

/* === Keyboard shortcuts help === */
.shortcuts-hint {
    display: flex;
    justify-content: center;
    gap: 16px;
    padding: 6px 0;
    font-size: 0.68rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
    margin-top: auto;
}
.shortcuts-hint kbd {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 1px 5px;
    font-family: monospace;
    font-size: 0.68rem;
    color: var(--text-secondary);
}

/* === Duel Lobby Options === */
.duel-options {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 14px;
    margin-bottom: 20px;
}
.duel-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 12px;
}
.duel-tab {
    flex: 1;
    padding: 8px 8px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}
.duel-tab:hover { color: var(--text-primary); }
.duel-tab.active {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: #fff;
}
.duel-panel { min-height: 40px; }
.duel-hint {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}
.invite-code-input {
    width: 100%;
    padding: 12px 14px;
    background: var(--bg-primary);
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 1.4rem;
    font-weight: 800;
    text-align: center;
    letter-spacing: 6px;
    text-transform: uppercase;
    outline: none;
    font-family: monospace;
    transition: border-color var(--transition-normal);
}
.invite-code-input:focus {
    border-color: var(--accent-blue);
}

/* === Duel Stake === */
.stake-section {
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}
.stake-label {
    display: block;
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-weight: 600;
}
.stake-presets {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 8px;
}
.stake-btn {
    padding: 6px 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 20px;
    color: var(--text-secondary);
    font-size: 0.78rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}
.stake-btn:hover {
    border-color: var(--accent-yellow);
    color: var(--accent-yellow);
}
.stake-btn.active {
    background: rgba(255, 193, 7, 0.12);
    border-color: var(--accent-yellow);
    color: var(--accent-yellow);
    font-weight: 600;
}
.stake-custom-input {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.82rem;
    outline: none;
    transition: border-color var(--transition-normal);
}
.stake-custom-input:focus {
    border-color: var(--accent-yellow);
}
.stake-custom-input::placeholder {
    color: var(--text-muted);
}

/* === Waiting Stake Display === */
.waiting-stake {
    font-size: 1rem;
    font-weight: 700;
    color: var(--accent-yellow);
    margin: 8px 0;
    padding: 8px 16px;
    background: rgba(255, 193, 7, 0.08);
    border: 1px solid rgba(255, 193, 7, 0.2);
    border-radius: var(--radius-sm);
}

/* === Duel Stake Result (on results screen) === */
.duel-stake-result {
    text-align: center;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent-yellow);
    margin-bottom: 16px;
    padding: 12px 20px;
    background: rgba(255, 193, 7, 0.08);
    border: 1px solid rgba(255, 193, 7, 0.2);
    border-radius: var(--radius-md);
}

/* === Waiting Room === */
.waiting-room-content {
    text-align: center;
    max-width: 400px;
}
.invite-code-display {
    font-size: 2.5rem;
    font-weight: 900;
    letter-spacing: 8px;
    color: var(--accent-blue);
    font-family: monospace;
    margin: 16px 0 8px;
    user-select: all;
}
.waiting-players {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin: 16px 0;
    flex-wrap: wrap;
}
.waiting-player {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px 16px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary);
}
.waiting-status {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin-top: 12px;
}

/* === Duel Scoreboard === */
.duel-scoreboard {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: 6px 16px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.duel-scoreboard.hidden { display: none; }

.duel-sb-player {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 5px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-card);
    min-width: 0;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.duel-sb-me {
    flex-direction: row;
}
.duel-sb-opp {
    flex-direction: row-reverse;
}

/* Leading player glow */
.duel-sb-player.leading {
    border-color: var(--accent-green);
    box-shadow: 0 0 10px rgba(0, 200, 83, 0.15);
}
.duel-sb-opp.leading {
    border-color: var(--accent-red);
    box-shadow: 0 0 10px rgba(255, 23, 68, 0.15);
}

.duel-sb-name {
    font-size: 0.78rem;
    font-weight: 700;
    white-space: nowrap;
    max-width: 90px;
    overflow: hidden;
    text-overflow: ellipsis;
}
.duel-sb-me .duel-sb-name {
    color: var(--accent-blue);
}
.duel-sb-opp .duel-sb-name {
    color: var(--accent-yellow);
}

.duel-sb-equity {
    font-size: 0.85rem;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    color: var(--text-primary);
    white-space: nowrap;
}

.duel-sb-pnl {
    font-size: 0.78rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}
.duel-sb-pnl.positive { color: var(--accent-green); }
.duel-sb-pnl.negative { color: var(--accent-red); }

.duel-sb-detail {
    font-size: 0.68rem;
    color: var(--text-secondary);
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}

.duel-sb-vs {
    font-size: 0.7rem;
    font-weight: 900;
    color: var(--text-muted);
    padding: 0 12px;
    letter-spacing: 1px;
    flex-shrink: 0;
}

/* === Chat Panel === */
.chat-panel {
    display: flex;
    flex-direction: column;
}
.chat-panel.hidden { display: none; }
.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.chat-toggle-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.7rem;
    padding: 2px 6px;
}
.chat-body {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.chat-messages {
    max-height: 160px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-height: 40px;
}
.chat-message {
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    font-size: 0.78rem;
    animation: signalFadeIn 0.3s ease-out;
    word-break: break-word;
}
.chat-message.emote {
    background: rgba(33, 150, 243, 0.08);
    border: 1px solid rgba(33, 150, 243, 0.15);
    text-align: center;
    font-size: 1.1rem;
}
.chat-msg-name {
    font-weight: 700;
    color: var(--accent-blue);
    margin-right: 6px;
    font-size: 0.72rem;
}
.chat-msg-text {
    color: var(--text-primary);
}
.emote-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}
.emote-btn {
    padding: 4px 8px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    color: var(--text-primary);
    font-size: 0.72rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}
.emote-btn:hover {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: #fff;
}
.chat-input-row {
    display: flex;
    gap: 4px;
}
.chat-input {
    flex: 1;
    padding: 6px 10px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.78rem;
    outline: none;
}
.chat-input:focus {
    border-color: var(--accent-blue);
}
.chat-send-btn {
    font-size: 0.72rem;
}

/* === Duel Comparison (Results) === */
.duel-comparison {
    margin-bottom: 24px;
}
.duel-comparison.hidden { display: none; }
.duel-comparison h3 {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
    font-weight: 700;
    text-align: center;
}
.duel-cards {
    display: flex;
    gap: 16px;
    justify-content: center;
}
.duel-player-card {
    flex: 1;
    max-width: 360px;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
    transition: border-color var(--transition-normal);
}
.duel-player-card.winner {
    border-color: var(--grade-s);
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.1);
}
.duel-rank {
    font-size: 0.8rem;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 8px;
}
.duel-player-card.winner .duel-rank {
    color: var(--grade-s);
}
.duel-player-name {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}
.duel-grade {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 4px;
}
.duel-score {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}
.duel-stats {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

/* === Results Equity Chart === */
.result-card-full {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 16px;
}
.result-card-full h3 {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
    font-weight: 700;
}

/* === Share Section === */
.share-section {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 20px;
}
.btn-share {
    padding: 10px 24px;
    background: var(--bg-card);
    border: 1px solid var(--accent-blue);
    color: var(--accent-blue);
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}
.btn-share:hover {
    background: var(--accent-blue);
    color: #fff;
    box-shadow: 0 4px 16px rgba(33, 150, 243, 0.3);
}

/* === Responsive === */
@media (max-width: 1024px) {
    .sidebar {
        width: 240px;
    }
    .stat-group {
        gap: 10px;
    }
    .event-overlay {
        right: 250px;
    }
}

@media (max-width: 768px) {
    .game-content {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        flex-direction: row;
        overflow-x: auto;
        flex-shrink: 0;
        max-height: 180px;
    }
    .panel {
        min-width: 200px;
        border-bottom: none;
        border-right: 1px solid var(--border);
    }
    .stat-group {
        gap: 8px;
    }
    .stat-label { font-size: 0.6rem; }
    .stat-value { font-size: 0.8rem; }
    .event-overlay {
        right: 16px;
        top: 60px;
    }
    .event-card {
        width: 260px;
    }
    .results-grid {
        grid-template-columns: 1fr;
    }
    .header-right {
        gap: 4px;
    }
}