/* ===== CSS Variables / Theme ===== */
:root {
    --bg-primary: #0a1628;
    --bg-secondary: #132238;
    --bg-card: #1a2d47;
    --bg-panel: #0d1f36;
    --bg-overlay: rgba(0, 0, 0, 0.7);

    --color-primary: #4fc3f7;
    --color-primary-dark: #0288d1;
    --color-secondary: #81c784;
    --color-accent: #ffb74d;
    --color-danger: #e57373;
    --color-gold: #ffd54f;

    --text-primary: #e8eaf6;
    --text-secondary: #90a4ae;
    --text-muted: #546e7a;

    --card-width: 80px;
    --card-height: 112px;
    --card-radius: 8px;
    --card-overlap: 28px;

    --border-color: rgba(79, 195, 247, 0.2);
    --shadow-color: rgba(0, 0, 0, 0.4);
    --glow-primary: 0 0 15px rgba(79, 195, 247, 0.3);
    --glow-gold: 0 0 20px rgba(255, 213, 79, 0.4);

    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    --font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-md: 16px;
    --font-size-lg: 20px;
    --font-size-xl: 28px;
    --font-size-xxl: 48px;

    --z-cards: 10;
    --z-ui: 100;
    --z-overlay: 500;
    --z-modal: 1000;
}

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

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: var(--font-family);
    font-size: var(--font-size-md);
    color: var(--text-primary);
    background: var(--bg-primary);
    user-select: none;
    -webkit-user-select: none;
}

#app {
    width: 100%;
    height: 100%;
    position: relative;
}

/* ===== Screen Management ===== */
.screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    justify-content: center;
    align-items: center;
}

.screen.active {
    display: flex;
}

/* ===== Start Screen ===== */
.start-container {
    text-align: center;
    padding: 40px;
}

.game-logo h1 {
    font-size: 72px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-gold), var(--color-accent), #ff8a65);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 16px;
    text-shadow: none;
    filter: drop-shadow(0 4px 8px rgba(255, 213, 79, 0.3));
    margin-bottom: 8px;
}

.subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    letter-spacing: 8px;
    margin-bottom: 60px;
}

.start-menu {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.version-info {
    position: absolute;
    bottom: 20px;
    right: 20px;
    color: var(--text-muted);
    font-size: var(--font-size-xs);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 32px;
    border: none;
    border-radius: 8px;
    font-size: var(--font-size-md);
    font-family: var(--font-family);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    outline: none;
    position: relative;
    overflow: hidden;
    min-width: 160px;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    transition: width 0.4s, height 0.4s, top 0.4s, left 0.4s;
}

.btn:active::after {
    width: 200px;
    height: 200px;
    top: calc(50% - 100px);
    left: calc(50% - 100px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    color: #fff;
    box-shadow: 0 4px 15px rgba(79, 195, 247, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(79, 195, 247, 0.5);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--color-primary);
}

.btn-danger {
    background: linear-gradient(135deg, #c62828, var(--color-danger));
    color: #fff;
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(229, 115, 115, 0.4);
}

.btn-large {
    padding: 16px 48px;
    font-size: var(--font-size-lg);
    min-width: 220px;
}

.btn-small {
    padding: 6px 12px;
    font-size: var(--font-size-sm);
    min-width: auto;
}

.btn-icon-only {
    min-width: auto;
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: 50%;
    font-size: var(--font-size-lg);
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-icon-only:hover {
    background: var(--bg-secondary);
    border-color: var(--color-primary);
}

.btn-icon {
    font-size: 1.2em;
}

.btn-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: var(--font-size-xl);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all var(--transition-fast);
}

.btn-close:hover {
    color: var(--color-danger);
    background: rgba(229, 115, 115, 0.1);
}

/* ===== Panel (Modal) ===== */
.panel {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    width: 420px;
    max-height: 80vh;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.panel-large {
    width: 560px;
    max-height: 85vh;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.panel-header h2 {
    font-size: var(--font-size-lg);
    color: var(--color-primary);
}

.panel-body {
    padding: 24px;
    overflow-y: auto;
    max-height: 60vh;
}

.panel-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

/* ===== Settings ===== */
.setting-group {
    margin-bottom: 24px;
}

.setting-group > label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.radio-group {
    display: flex;
    gap: 12px;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: var(--font-size-sm);
}

.radio-label:hover {
    border-color: var(--color-primary);
}

.radio-label input[type="radio"] {
    accent-color: var(--color-primary);
}

.radio-label:has(input:checked) {
    border-color: var(--color-primary);
    background: rgba(79, 195, 247, 0.1);
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
}

.toggle-switch input {
    display: none;
}

.toggle-slider {
    display: block;
    width: 52px;
    height: 28px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
}

.toggle-slider::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    background: var(--text-secondary);
    border-radius: 50%;
    transition: all var(--transition-normal);
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--color-primary-dark);
    border-color: var(--color-primary);
}

.toggle-switch input:checked + .toggle-slider::after {
    left: 27px;
    background: #fff;
}

/* ===== Rules ===== */
.rules-content {
    line-height: 1.8;
}

.rules-section {
    margin-bottom: 24px;
}

.rules-section h3 {
    color: var(--color-accent);
    margin-bottom: 8px;
    font-size: var(--font-size-md);
}

.rules-section p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: 4px;
}

.rules-section ul {
    list-style: none;
    padding-left: 0;
}

.rules-section li {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    padding: 4px 0;
    padding-left: 16px;
    position: relative;
}

.rules-section li::before {
    content: '•';
    color: var(--color-primary);
    position: absolute;
    left: 0;
}

/* ===== Game Screen Layout ===== */
#game-screen {
    display: none;
    position: relative;
    background: radial-gradient(ellipse at center, #132a40 0%, #0a1628 70%);
}

#game-screen.active {
    display: block;
}

.game-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: var(--z-ui);
}

.game-info {
    display: flex;
    gap: 16px;
}

.multiplier, .bomb-count {
    padding: 4px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* ===== Player Areas ===== */
.player-area {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.player-left {
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 140px;
}

.player-right {
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 140px;
}

.player-bottom {
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 900px;
    padding-bottom: 8px;
}

/* ===== Avatar ===== */
.avatar {
    position: relative;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 4px;
}

.avatar-img {
    font-size: 28px;
    line-height: 1;
}

.player-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 8px;
}

.player-name {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    font-weight: 600;
}

.card-count {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: 2px;
}

.role-badge {
    position: absolute;
    bottom: -4px;
    right: -4px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 800;
    border: 2px solid var(--bg-primary);
}

.role-badge.landlord {
    background: linear-gradient(135deg, #f44336, #d32f2f);
    color: #fff;
}

.role-badge.farmer {
    background: linear-gradient(135deg, #4caf50, #388e3c);
    color: #fff;
}

.hidden {
    display: none !important;
}

/* ===== Cards Back (AI players) ===== */
.player-cards-back {
    display: flex;
    justify-content: center;
    margin: 4px 0;
}

.card-back {
    width: 36px;
    height: 50px;
    background: linear-gradient(135deg, #1565c0, #0d47a1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 4px;
    margin: 0 -8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.card-back::after {
    content: '';
    position: absolute;
    inset: 3px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 3px,
        rgba(255, 255, 255, 0.03) 3px,
        rgba(255, 255, 255, 0.03) 6px
    );
}

/* ===== Play Area (cards played) ===== */
.player-play-area {
    min-height: 90px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2px;
    padding: 4px;
}

.player-left .player-play-area,
.player-right .player-play-area {
    position: absolute;
    min-width: 200px;
}

.player-left .player-play-area {
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    margin-left: 20px;
}

.player-right .player-play-area {
    right: 100%;
    top: 50%;
    transform: translateY(-50%);
    margin-right: 20px;
}

.player-bottom .player-play-area {
    position: relative;
    margin-bottom: 8px;
}

/* Player action text */
.player-action {
    font-size: var(--font-size-md);
    color: var(--color-accent);
    font-weight: 600;
    min-height: 24px;
    text-align: center;
}

/* ===== Played Cards ===== */
.played-card {
    width: 60px;
    height: 84px;
    background: #fff;
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 4px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
    margin: 0 -4px;
    position: relative;
    flex-shrink: 0;
}

.played-card .card-value {
    font-size: 16px;
    font-weight: 700;
    line-height: 1;
}

.played-card .card-suit {
    font-size: 14px;
    line-height: 1;
}

.played-card .card-center-suit {
    font-size: 24px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.3;
}

/* ===== Hand Cards (Player's cards) ===== */
.hand-cards {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    padding: 0 40px;
    min-height: var(--card-height);
    position: relative;
}

.hand-card {
    width: var(--card-width);
    height: var(--card-height);
    background: #fff;
    border-radius: var(--card-radius);
    margin: 0 calc(var(--card-overlap) * -0.5);
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    flex-shrink: 0;
    border: 2px solid transparent;
}

.hand-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
    z-index: calc(var(--z-cards) + 100);
}

.hand-card.selected {
    transform: translateY(-20px);
    border-color: var(--color-primary);
    box-shadow: 0 8px 25px rgba(79, 195, 247, 0.4);
    z-index: calc(var(--z-cards) + 100);
}

.hand-card .card-value {
    font-size: 18px;
    font-weight: 800;
    line-height: 1;
}

.hand-card .card-suit {
    font-size: 14px;
    line-height: 1;
    margin-top: 2px;
}

.hand-card .card-center-suit {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 32px;
    opacity: 0.15;
}

.hand-card .card-bottom {
    position: absolute;
    bottom: 6px;
    right: 6px;
    transform: rotate(180deg);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.hand-card .card-bottom .card-value {
    font-size: 14px;
}

.hand-card .card-bottom .card-suit {
    font-size: 12px;
}

/* Card colors */
.card-red .card-value,
.card-red .card-suit,
.card-red .card-bottom .card-value,
.card-red .card-bottom .card-suit {
    color: #d32f2f;
}

.card-red .card-center-suit {
    color: #d32f2f;
}

.card-black .card-value,
.card-black .card-suit,
.card-black .card-bottom .card-value,
.card-black .card-bottom .card-suit {
    color: #212121;
}

.card-black .card-center-suit {
    color: #212121;
}

/* Joker cards */
.card-joker-small {
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
}

.card-joker-big {
    background: linear-gradient(135deg, #ffebee, #ffcdd2);
}

.card-joker-small .card-value,
.card-joker-small .card-suit {
    color: #1565c0;
}

.card-joker-big .card-value,
.card-joker-big .card-suit {
    color: #c62828;
}

/* ===== Dizhu (Landlord) Cards ===== */
.dizhu-cards {
    position: absolute;
    top: 50px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: var(--z-ui);
}

.dizhu-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.dizhu-cards-container {
    display: flex;
    gap: 6px;
}

.dizhu-card {
    width: 52px;
    height: 72px;
    background: #fff;
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--color-gold);
}

.dizhu-card-back {
    width: 52px;
    height: 72px;
    background: linear-gradient(135deg, #1565c0, #0d47a1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* ===== Center Info ===== */
.center-info {
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: var(--z-ui);
    text-align: center;
}

.game-message {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gold);
    text-shadow: 0 2px 10px rgba(255, 213, 79, 0.5);
    white-space: nowrap;
}

/* ===== Bid Area ===== */
.bid-area {
    display: flex;
    justify-content: center;
    z-index: calc(var(--z-ui) + 50);
    padding: 6px 0;
    margin-bottom: 4px;
}

.bid-buttons {
    display: flex;
    gap: 12px;
}

.btn-bid {
    padding: 10px 24px;
    border-radius: 24px;
    font-size: var(--font-size-md);
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    min-width: 80px;
    font-family: var(--font-family);
}

.btn-bid:not(.btn-nobid) {
    background: linear-gradient(135deg, var(--color-accent), #ff9800);
    color: #fff;
    box-shadow: 0 3px 10px rgba(255, 183, 77, 0.4);
}

.btn-bid:not(.btn-nobid):hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 183, 77, 0.6);
}

.btn-nobid {
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-nobid:hover {
    background: var(--bg-secondary);
    border-color: var(--text-muted);
}

/* ===== Play Buttons ===== */
.play-buttons {
    display: flex;
    justify-content: center;
    gap: 12px;
    z-index: calc(var(--z-ui) + 50);
    padding: 6px 0;
    margin-bottom: 4px;
}

.btn-play {
    padding: 10px 32px;
    border-radius: 24px;
    background: linear-gradient(135deg, var(--color-secondary), #43a047);
    color: #fff;
    font-size: var(--font-size-md);
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    min-width: 80px;
    font-family: var(--font-family);
}

.btn-play:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(129, 199, 132, 0.5);
}

.btn-play:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-pass {
    padding: 10px 32px;
    border-radius: 24px;
    background: var(--bg-card);
    color: var(--text-secondary);
    font-size: var(--font-size-md);
    font-weight: 600;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-fast);
    min-width: 80px;
    font-family: var(--font-family);
}

.btn-pass:hover {
    background: var(--bg-secondary);
    border-color: var(--text-muted);
}

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

.btn-hint {
    padding: 10px 24px;
    border-radius: 24px;
    background: var(--bg-card);
    color: var(--color-primary);
    font-size: var(--font-size-md);
    font-weight: 600;
    border: 1px solid var(--color-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-family);
}

.btn-hint:hover {
    background: rgba(79, 195, 247, 0.1);
}

/* ===== Pause Menu ===== */
.pause-menu {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-overlay);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: var(--z-modal);
}

.pause-menu.hidden {
    display: none !important;
}

.menu-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.menu-btn {
    width: 100%;
}

/* ===== Result Screen ===== */
.result-panel {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    min-width: 400px;
    max-width: 500px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.result-icon {
    font-size: 64px;
    margin-bottom: 16px;
}

.result-title {
    font-size: var(--font-size-xl);
    margin-bottom: 8px;
}

.result-title.win {
    color: var(--color-gold);
}

.result-title.lose {
    color: var(--color-danger);
}

.result-detail {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.result-score-board {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 24px;
}

.score-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 16px;
    border-radius: 6px;
}

.score-row.header {
    color: var(--text-muted);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 4px;
}

.score-row span {
    flex: 1;
    text-align: center;
}

.score-row.player-row {
    font-size: var(--font-size-sm);
}

.score-row .score-positive {
    color: var(--color-secondary);
    font-weight: 600;
}

.score-row .score-negative {
    color: var(--color-danger);
    font-weight: 600;
}

.result-stats {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-bottom: 24px;
}

.result-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
}

/* ===== Decorative Elements ===== */
#game-screen::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70%;
    height: 60%;
    border: 1px solid rgba(79, 195, 247, 0.05);
    border-radius: 50%;
    pointer-events: none;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    :root {
        --card-width: 65px;
        --card-height: 91px;
        --card-overlap: 22px;
    }

    .game-logo h1 {
        font-size: 48px;
        letter-spacing: 10px;
    }

    .player-left, .player-right {
        width: 100px;
    }

    .played-card {
        width: 50px;
        height: 70px;
    }
}

@media (max-width: 768px) {
    :root {
        --card-width: 54px;
        --card-height: 76px;
        --card-overlap: 18px;
    }

    .game-logo h1 {
        font-size: 36px;
    }

    .hand-cards {
        padding: 0 20px;
    }

    .btn-large {
        padding: 12px 32px;
        font-size: var(--font-size-md);
    }
}

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

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* ===== Timer indicator ===== */
.timer-ring {
    position: absolute;
    top: -4px;
    left: -4px;
    width: calc(100% + 8px);
    height: calc(100% + 8px);
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: var(--color-primary);
    pointer-events: none;
}

.avatar.active-turn {
    border-color: var(--color-gold);
    box-shadow: var(--glow-gold);
}

/* ===== Tooltip ===== */
.tooltip {
    position: absolute;
    background: var(--bg-panel);
    color: var(--text-primary);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: var(--font-size-xs);
    border: 1px solid var(--border-color);
    pointer-events: none;
    z-index: var(--z-modal);
    white-space: nowrap;
}