/* ===== 基础重置与变量 ===== */
@import url('https://fonts.googleapis.com/css2?family=Dancing+Script:wght@600;700&family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    /* 颜色系统 - AI 优化深色赌场风格 */
    --bg-primary: #0a0e17;
    --bg-secondary: #121826;
    --bg-card: rgba(18, 24, 38, 0.6);
    --bg-card-hover: rgba(30, 41, 59, 0.8);
    --bg-glass: rgba(255, 255, 255, 0.03);
    --bg-glass-hover: rgba(255, 255, 255, 0.08);

    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --text-muted: #475569;

    --accent-gold: #ffcc00;
    --accent-gold-light: #ffe566;
    --accent-green: #00ff66;
    --accent-green-light: #66ffaa;
    --accent-red: #ff3366;
    --accent-red-light: #ff6688;
    --accent-blue: #3388ff;
    --accent-blue-light: #66aaff;

    /* 扑克花色专用色 (更亮、带霓虹感) */
    --suit-spades: #e2e8f0;
    --suit-hearts: #ff3366;
    --suit-diamonds: #3388ff;
    --suit-clubs: #00ff66;

    --border-color: rgba(255, 255, 255, 0.06);
    --border-highlight: rgba(255, 204, 0, 0.3);

    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 16px 32px rgba(0, 0, 0, 0.8);
    --shadow-glow: 0 0 20px rgba(0, 255, 102, 0.2);
    --shadow-glow-gold: 0 0 30px rgba(255, 204, 0, 0.25);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --touch-target: 44px;
}

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

button,
.btn,
.stage-tab,
.suit-btn,
.pick-card,
.selected-card-slot,
.preflop-cell {
    touch-action: manipulation;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-tap-highlight-color: transparent;
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
}

/* ===== 背景装饰 ===== */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background:
        radial-gradient(circle at 20% 20%, rgba(245, 158, 11, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(16, 185, 129, 0.04) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.03) 0%, transparent 60%);
    z-index: -1;
    animation: bgFloat 30s ease-in-out infinite;
}

@keyframes bgFloat {

    0%,
    100% {
        transform: translate(0, 0) rotate(0deg);
    }

    33% {
        transform: translate(1%, -1%) rotate(1deg);
    }

    66% {
        transform: translate(-1%, 1%) rotate(-1deg);
    }
}

/* ===== 容器 ===== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== 头部 ===== */
.header {
    text-align: center;
    padding: 48px 0 32px;
    position: relative;
}

.header h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 3.2rem;
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
    
    /* Sleek gradient text */
    background: linear-gradient(135deg, #ffffff 0%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    
    /* Elegant soft glow */
    filter: drop-shadow(0 0 15px rgba(165, 180, 252, 0.3));
    
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.spade-icon {
    /* Metallic Silver / Chrome look */
    background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 50%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 3.6rem;
    filter: drop-shadow(0 0 15px rgba(255, 255, 255, 0.15));
    animation: float-spade 3s ease-in-out infinite;
}

@keyframes float-spade {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}

.header p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    font-weight: 400;
    letter-spacing: 0.5px;
}

.signature-line {
    margin-top: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
    line-height: 1;
    opacity: 0.92;
}

.signature-prefix {
    font-size: 1rem;
    color: rgba(148, 163, 184, 0.58);
    letter-spacing: 0.04em;
    font-weight: 400;
}

.signature-name {
    font-family: 'Dancing Script', 'Brush Script MT', cursive;
    font-size: 2.05rem;
    letter-spacing: 0.03em;
    min-width: 8.3ch;
    text-align: left;
    color: rgba(230, 234, 255, 0.95);
    text-shadow:
        0 0 2px rgba(255, 255, 255, 0.32),
        0 0 20px rgba(96, 103, 255, 0.35),
        0 0 44px rgba(96, 103, 255, 0.18);
    white-space: nowrap;
}

.signature-cursor {
    width: 2px;
    height: 1.45rem;
    background: rgba(208, 214, 255, 0.9);
    border-radius: 1px;
    box-shadow: 0 0 10px rgba(120, 128, 255, 0.72);
    animation: typeCursorBlink 0.8s steps(1, end) infinite;
}

.signature-line.typing-done .signature-cursor {
    opacity: 0;
    animation: none;
}

@keyframes typeCursorBlink {

    0%,
    45% {
        opacity: 1;
    }

    50%,
    100% {
        opacity: 0;
    }
}

/* ===== 主布局 ===== */
.main-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 24px;
    margin-bottom: 32px;
}

@media (max-width: 1024px) {
    .main-layout {
        grid-template-columns: 1fr;
    }
}

/* ===== 卡片面板 ===== */
.panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    backdrop-filter: blur(20px);
    transition: var(--transition);
}

.panel:hover {
    border-color: rgba(255, 255, 255, 0.12);
}

.panel-title {
    font-family: 'Outfit', sans-serif;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.panel-title .icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.panel-title .icon.gold {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-gold);
}

.panel-title .icon.green {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-green);
}

.panel-title .icon.blue {
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent-blue);
}

.panel-title .icon.red {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-red);
}

/* ===== 阶段标签 ===== */
.stage-tabs {
    display: flex;
    gap: 4px;
    background: var(--bg-glass);
    border-radius: var(--radius-md);
    padding: 4px;
    margin-bottom: 20px;
}

.stage-tab {
    flex: 1;
    border: none;
    background: transparent;
    color: var(--text-muted);
    padding: 10px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
}

.stage-tab:hover {
    color: var(--text-secondary);
    background: var(--bg-glass-hover);
}

.stage-tab.active {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-gold);
    font-weight: 600;
}

.stage-tab .count {
    display: inline-block;
    font-size: 0.7rem;
    margin-left: 4px;
    opacity: 0.7;
}

/* ===== 选牌区域 ===== */
.card-selection-area {
    margin-bottom: 20px;
}

.card-selection-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.selected-cards {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    min-height: 90px;
    align-items: center;
}

.selected-card-slot {
    width: 64px;
    height: 88px;
    min-width: 56px;
    min-height: 76px;
    border: 2px dashed rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 1.5rem;
    transition: var(--transition);
    position: relative;
    cursor: pointer;
    will-change: transform, opacity;
}

.selected-card-slot:hover {
    border-color: rgba(245, 158, 11, 0.4);
}

.selected-card-slot.filled {
    border: 2px solid transparent;
    background: none;
    cursor: pointer;
}

.selected-card-slot.filled:hover {
    transform: translateY(-4px);
}

.selected-card-slot.is-placing .poker-card {
    animation: cardPlace 0.26s cubic-bezier(0.2, 0.9, 0.25, 1.15);
}

.selected-card-slot.is-clearing {
    animation: slotClear 0.18s ease forwards;
    pointer-events: none;
}

.selected-card-slot.is-clearing .poker-card {
    animation: cardClear 0.18s ease forwards;
}

.selected-card-slot.active-slot {
    border-color: var(--accent-gold);
    box-shadow: 0 0 15px rgba(255, 204, 0, 0.4);
    animation: slotPulse 1.5s ease-in-out infinite;
    color: var(--accent-gold);
}

@keyframes slotPulse {

    0%,
    100% {
        box-shadow: 0 0 10px rgba(255, 204, 0, 0.2);
        transform: scale(1);
    }

    50% {
        box-shadow: 0 0 25px rgba(255, 204, 0, 0.6), inset 0 0 10px rgba(255, 204, 0, 0.3);
        transform: scale(1.02);
    }
}

@keyframes cardPlace {
    0% {
        opacity: 0.4;
        transform: scale(0.82) translateY(6px);
    }

    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes cardClear {
    0% {
        opacity: 1;
        transform: scale(1);
    }

    100% {
        opacity: 0;
        transform: scale(0.86) translateY(6px);
    }
}

@keyframes slotClear {
    100% {
        opacity: 0;
        transform: scale(0.93);
    }
}

/* ===== 扑克牌 ===== */
.poker-card {
    width: 64px;
    height: 88px;
    border-radius: var(--radius-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    user-select: none;
    background: linear-gradient(145deg, #1e293b, #0f172a);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-sm);
    animation: popIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes popIn {
    0% {
        transform: scale(0.6);
        opacity: 0;
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.poker-card .rank {
    font-size: 1.25rem;
    line-height: 1;
    font-weight: 800;
    text-shadow: 0 0 10px currentColor;
    /* Suit color glow */
}

.poker-card .suit {
    font-size: 1.4rem;
    line-height: 1;
    margin-top: 4px;
    filter: drop-shadow(0 0 8px currentColor);
}

.poker-card.spades {
    color: var(--suit-spades);
}

.poker-card.hearts {
    color: var(--suit-hearts);
}

.poker-card.diamonds {
    color: var(--suit-diamonds);
}

.poker-card.clubs {
    color: var(--suit-clubs);
}

.poker-card:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: var(--shadow-md), 0 0 20px currentColor;
    border-color: currentColor;
}

.poker-card.selected {
    opacity: 0.3;
    pointer-events: none;
    transform: scale(0.95);
}

.poker-card.mini {
    width: 48px;
    height: 66px;
    font-size: 0.85rem;
    border-radius: 6px;
}

.poker-card.mini .rank {
    font-size: 0.9rem;
}

.poker-card.mini .suit {
    font-size: 0.95rem;
}

/* ===== 花色选择器 ===== */
.suit-filter {
    display: flex;
    gap: 6px;
    margin-bottom: 12px;
}

.suit-btn {
    flex: 1;
    border: 1px solid var(--border-color);
    background: var(--bg-glass);
    color: var(--text-secondary);
    padding: 8px;
    border-radius: var(--radius-sm);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.suit-btn:hover {
    background: var(--bg-glass-hover);
}

.suit-btn.active {
    border-color: var(--accent-gold);
    background: rgba(245, 158, 11, 0.1);
}

.suit-btn.spades.active {
    border-color: var(--suit-spades);
    background: rgba(226, 232, 240, 0.1);
}

.suit-btn.hearts.active {
    border-color: var(--suit-hearts);
    background: rgba(244, 63, 94, 0.1);
}

.suit-btn.diamonds.active {
    border-color: var(--suit-diamonds);
    background: rgba(59, 130, 246, 0.1);
}

.suit-btn.clubs.active {
    border-color: var(--suit-clubs);
    background: rgba(34, 197, 94, 0.1);
}

/* ===== 牌面选择网格 ===== */
.card-picker-grid {
    display: grid;
    grid-template-columns: repeat(13, 1fr);
    gap: 4px;
}

.pick-card {
    aspect-ratio: 0.72;
    min-height: var(--touch-target);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);
    font-size: 0.75rem;
    font-weight: 700;
    gap: 1px;
    box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.1);
}

.pick-card .pick-rank {
    font-size: 0.85rem;
}

.pick-card .pick-suit {
    font-size: 0.95rem;
    filter: drop-shadow(0 0 4px currentColor);
}

.pick-card:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: currentColor;
    transform: scale(1.08);
    box-shadow: 0 0 15px currentColor;
}

.pick-card.selecting {
    animation: pickCommit 0.12s ease forwards;
}

.pick-card.picked {
    opacity: 0.15;
    pointer-events: none;
    transform: scale(0.9);
    filter: grayscale(100%);
}

.pick-card.spades {
    color: var(--suit-spades);
}

.pick-card.hearts {
    color: var(--suit-hearts);
}

.pick-card.diamonds {
    color: var(--suit-diamonds);
}

.pick-card.clubs {
    color: var(--suit-clubs);
}

@keyframes pickCommit {
    0% {
        transform: scale(1);
        filter: saturate(100%);
    }

    100% {
        transform: scale(0.9);
        filter: saturate(160%);
    }
}

/* ===== 对手数量选择 ===== */
.opponent-selector {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    padding: 16px;
    background: var(--bg-glass);
    border-radius: var(--radius-md);
}

.opponent-selector label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
    white-space: nowrap;
}

.opponent-slider {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.1);
    outline: none;
}

.opponent-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--accent-gold);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(245, 158, 11, 0.3);
    transition: var(--transition);
}

.opponent-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
    box-shadow: 0 0 16px rgba(245, 158, 11, 0.5);
}

.opponent-count {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-gold);
    min-width: 30px;
    text-align: center;
}

/* ===== 牌局信息 ===== */
.situation-panel {
    overflow: hidden;
}

.situation-content[hidden] {
    display: none !important;
}

.situation-toggle-btn {
    margin-left: auto;
    flex-shrink: 0;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-secondary);
    font-size: 0.76rem;
    font-weight: 600;
    padding: 7px 10px;
    border-radius: 999px;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.situation-toggle-btn:hover {
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.26);
}

.situation-toggle-btn.active {
    color: var(--accent-gold);
    border-color: rgba(255, 204, 0, 0.45);
    background: rgba(255, 204, 0, 0.12);
}

.situation-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

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

.field-label {
    font-size: 0.82rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.field-help {
    font-size: 0.72rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.field-group select,
.field-group input {
    width: 100%;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
    padding: 11px 12px;
    font-size: 0.92rem;
    outline: none;
    transition: var(--transition);
}

.field-group select:focus,
.field-group input:focus {
    border-color: rgba(255, 204, 0, 0.45);
    box-shadow: 0 0 0 3px rgba(255, 204, 0, 0.08);
}

.input-prefix {
    display: flex;
    align-items: center;
    gap: 8px;
}

.prefix-chip {
    flex: 0 0 auto;
    min-width: 42px;
    text-align: center;
    padding: 10px 8px;
    border-radius: var(--radius-sm);
    background: rgba(255, 204, 0, 0.1);
    border: 1px solid rgba(255, 204, 0, 0.15);
    color: var(--accent-gold);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.situation-hint {
    margin-top: 14px;
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ===== 操作按钮 ===== */
.action-buttons {
    display: flex;
    gap: 10px;
    margin-top: 16px;
}

.btn {
    border: none;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
    display: flex;
    align-items: center;
    gap: 8px;
    min-height: var(--touch-target);
}

.btn-clear-inline {
    padding: 7px 12px;
    font-size: 0.78rem;
    min-height: 36px;
}

.btn-primary {
    flex: 1;
    background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
    color: #000;
    box-shadow: 0 0 15px rgba(255, 204, 0, 0.4), inset 0 2px 4px rgba(255, 255, 255, 0.5);
    border: none;
    font-weight: 800;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(255, 204, 0, 0.6), inset 0 2px 4px rgba(255, 255, 255, 0.5);
}

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

.btn-primary:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
    background: var(--bg-glass);
    color: var(--text-muted);
}

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

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

/* ===== 胜率结果面板 ===== */
.results-panel {
    position: sticky;
    top: 24px;
}

#resultContent.result-enter .win-rate-display,
#resultContent.result-enter .rate-bars,
#resultContent.result-enter .decision-panel.visible,
#resultContent.result-enter .advice-card,
#resultContent.result-enter .current-hand-info,
#resultContent.result-enter .hand-distribution,
#resultContent.result-enter .btn-ai {
    opacity: 0;
    transform: translateY(14px);
    animation: resultRise 0.36s ease forwards;
}

#resultContent.result-enter .rate-bars {
    animation-delay: 0.06s;
}

#resultContent.result-enter .decision-panel.visible,
#resultContent.result-enter .advice-card {
    animation-delay: 0.12s;
}

#resultContent.result-enter .current-hand-info,
#resultContent.result-enter .hand-distribution {
    animation-delay: 0.18s;
}

#resultContent.result-enter .btn-ai {
    animation-delay: 0.22s;
}

@keyframes resultRise {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.result-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.result-empty .empty-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.3;
}

.result-empty p {
    font-size: 0.9rem;
    line-height: 1.7;
}

/* 胜率大数字 */
.win-rate-display {
    text-align: center;
    padding: 24px 0;
    margin-bottom: 20px;
    position: relative;
}

.win-rate-number {
    font-family: 'Outfit', sans-serif;
    font-size: 4.8rem;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 8px;
    transition: all 0.5s ease;
    text-shadow: 0 0 30px currentColor;
    /* Neon glow for main number */
}

.win-rate-number.excellent {
    color: var(--accent-green);
}

.win-rate-number.good {
    color: var(--accent-green-light);
}

.win-rate-number.medium {
    color: var(--accent-gold);
}

.win-rate-number.weak {
    color: var(--accent-red-light);
}

.win-rate-number.bad {
    color: var(--accent-red);
}

.win-rate-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* 胜/平/负条 */
.rate-bars {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}

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

.rate-bar-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    width: 32px;
    text-align: right;
    font-weight: 600;
}

.rate-bar-track {
    flex: 1;
    height: 8px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 4px;
    overflow: hidden;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.5);
}

.rate-bar-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    min-width: 4px;
    position: relative;
}

.rate-bar-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: barShine 2s infinite linear;
}

@keyframes barShine {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

.rate-bar-fill.win {
    background: linear-gradient(90deg, #00b347, var(--accent-green));
    box-shadow: 0 0 10px var(--accent-green);
}

.rate-bar-fill.tie {
    background: linear-gradient(90deg, #2266cc, var(--accent-blue));
    box-shadow: 0 0 10px var(--accent-blue);
}

.rate-bar-fill.lose {
    background: linear-gradient(90deg, #cc1144, var(--accent-red));
    box-shadow: 0 0 10px var(--accent-red);
}

.rate-bar-value {
    font-size: 0.85rem;
    font-weight: 600;
    min-width: 48px;
    text-align: left;
}

.rate-bar-value.win {
    color: var(--accent-green);
}

.rate-bar-value.tie {
    color: var(--accent-blue);
}

.rate-bar-value.lose {
    color: var(--accent-red);
}

/* 决策卡 */
.decision-panel {
    display: none;
    padding: 18px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    background:
        linear-gradient(135deg, rgba(255, 204, 0, 0.14), rgba(51, 136, 255, 0.08)),
        rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 204, 0, 0.18);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.22);
}

.decision-panel.visible {
    display: block;
}

.decision-kicker {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--accent-gold);
    font-weight: 700;
    margin-bottom: 8px;
}

.decision-action {
    font-family: 'Outfit', sans-serif;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.decision-summary {
    font-size: 0.84rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.decision-metrics {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 16px;
}

.decision-metric {
    padding: 12px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.decision-metric span {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.decision-metric strong {
    display: block;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.decision-note {
    margin-top: 14px;
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.65;
}

/* 建议卡片 */
.advice-card {
    padding: 16px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: var(--transition);
}

.advice-card.excellent {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.advice-card.good {
    background: rgba(52, 211, 153, 0.1);
    border: 1px solid rgba(52, 211, 153, 0.2);
}

.advice-card.medium {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.advice-card.weak {
    background: rgba(248, 113, 113, 0.1);
    border: 1px solid rgba(248, 113, 113, 0.2);
}

.advice-card.bad {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.advice-emoji {
    font-size: 1.5rem;
}

.advice-text {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* 当前牌型 */
.current-hand-info {
    padding: 16px;
    background: var(--bg-glass);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.current-hand-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 6px;
    font-weight: 500;
}

.current-hand-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent-gold);
}

.current-hand-name-en {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 2px;
}

/* 牌型分布 */
.hand-distribution {
    margin-top: 16px;
}

.hand-dist-title {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-weight: 500;
}

.hand-dist-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 0;
}

.hand-dist-name {
    font-size: 0.78rem;
    color: var(--text-secondary);
    width: 80px;
    text-align: right;
}

.hand-dist-bar {
    flex: 1;
    height: 6px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 3px;
    overflow: hidden;
}

.hand-dist-fill {
    height: 100%;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--accent-gold), var(--accent-gold-light));
    transition: width 0.6s ease;
}

.hand-dist-pct {
    font-size: 0.75rem;
    color: var(--text-muted);
    width: 40px;
    text-align: right;
    font-weight: 500;
}

/* ===== 起手牌强度表 ===== */
.preflop-section {
    margin-bottom: 32px;
}

.preflop-grid-wrapper {
    overflow-x: auto;
    padding: 4px;
}

.preflop-grid {
    display: grid;
    grid-template-columns: repeat(13, 1fr);
    gap: 3px;
    min-width: 600px;
}

.preflop-cell {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    border: 1px solid transparent;
}

.preflop-cell:hover {
    transform: scale(1.15);
    z-index: 10;
    box-shadow: var(--shadow-md);
    border-color: rgba(255, 255, 255, 0.3);
}

.preflop-cell .cell-label {
    font-size: 0.68rem;
    font-weight: 700;
    line-height: 1;
}

.preflop-cell .cell-rate {
    font-size: 0.55rem;
    opacity: 0.8;
    line-height: 1;
    margin-top: 2px;
}

/* 热力图颜色 */
.preflop-cell.tier-1 {
    background: rgba(16, 185, 129, 0.6);
    color: #fff;
}

.preflop-cell.tier-2 {
    background: rgba(16, 185, 129, 0.35);
    color: #d1fae5;
}

.preflop-cell.tier-3 {
    background: rgba(52, 211, 153, 0.2);
    color: #a7f3d0;
}

.preflop-cell.tier-4 {
    background: rgba(245, 158, 11, 0.25);
    color: #fde68a;
}

.preflop-cell.tier-5 {
    background: rgba(245, 158, 11, 0.12);
    color: #fcd34d;
}

.preflop-cell.tier-6 {
    background: rgba(239, 68, 68, 0.12);
    color: #fca5a5;
}

.preflop-cell.tier-7 {
    background: rgba(239, 68, 68, 0.06);
    color: #94a3b8;
}

.preflop-cell.pair {
    border-left: 2px solid rgba(245, 158, 11, 0.4);
}

/* 图例 */
.legend {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.legend-color {
    width: 14px;
    height: 14px;
    border-radius: 3px;
}

/* ===== 页脚 (Global Base) ===== */
.footer {
    text-align: center;
    padding: 32px 0;
    color: var(--text-muted);
    font-size: 0.8rem;
    border-top: 1px solid var(--border-color);
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

/* ===== 阶段进度条 ===== */
.stage-progress {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    padding: 12px 16px;
    background: var(--bg-glass);
    border-radius: var(--radius-md);
}

.stage-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.stage-dot.completed {
    background: var(--accent-green);
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.4);
}

.stage-dot.current {
    background: var(--accent-gold);
    box-shadow: 0 0 8px rgba(245, 158, 11, 0.4);
    animation: dotPulse 1.5s ease infinite;
}

.stage-dot.pending {
    background: rgba(255, 255, 255, 0.1);
}

.stage-line {
    flex: 1;
    height: 2px;
    background: rgba(255, 255, 255, 0.06);
    position: relative;
}

.stage-line.completed {
    background: var(--accent-green);
}

.stage-name {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 500;
}

.stage-name.active {
    color: var(--accent-gold);
}

.stage-name.completed {
    color: var(--accent-green);
}

@keyframes dotPulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.3);
    }
}

/* ===== Tooltip ===== */
.tooltip {
    position: fixed;
    background: rgba(15, 23, 42, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-size: 0.8rem;
    color: var(--text-primary);
    pointer-events: none;
    z-index: 1000;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-lg);
    transition: opacity 0.15s, transform 0.15s;
    max-width: 200px;
    animation: fadeSlideUp 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes fadeSlideUp {
    0% {
        opacity: 0;
        transform: translateY(10px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.tooltip .tt-hand {
    font-weight: 700;
    font-size: 0.9rem;
}

.tooltip .tt-rate {
    color: var(--accent-gold);
    font-weight: 600;
    margin-top: 4px;
}

.tooltip .tt-type {
    color: var(--text-muted);
    font-size: 0.72rem;
    margin-top: 2px;
}

/* ===== 加载动画 ===== */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(0, 0, 0, 0.2);
    border-top-color: #000;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.calculating {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: center;
    gap: 12px;
    padding: 22px 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.calculating .progress-text {
    text-align: center;
    color: var(--accent-gold);
    font-size: 0.9rem;
    font-weight: 600;
}

.skeleton-shell {
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.02);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.skeleton {
    border-radius: 8px;
    position: relative;
    overflow: hidden;
    background: rgba(148, 163, 184, 0.12);
}

.skeleton::after {
    content: '';
    position: absolute;
    inset: 0;
    transform: translateX(-100%);
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
    animation: skeletonShimmer 1.35s infinite;
}

.skeleton-rate {
    height: 64px;
    width: 42%;
    align-self: center;
}

.skeleton-bars {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.skeleton-bar {
    height: 11px;
    width: 100%;
}

.skeleton-card {
    height: 44px;
    width: 100%;
}

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

.install-fab {
    display: flex;
    align-items: center;
    justify-content: center;
    width: min(420px, 100%);
    margin: 14px auto 0;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    background: linear-gradient(135deg, #34d399, #10b981);
    color: #062012;
    font-weight: 700;
    font-size: 0.92rem;
    letter-spacing: 0.01em;
    min-height: 48px;
    padding: 12px 16px;
    box-shadow: 0 10px 24px rgba(16, 185, 129, 0.35);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.install-fab:active {
    transform: translateY(1px);
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.28);
}

.install-guide {
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: max(14px, env(safe-area-inset-bottom));
    z-index: 120;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    padding: 12px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

.install-guide-title {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.install-guide p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.82rem;
    line-height: 1.55;
}

.install-guide-steps {
    margin: 10px 0 0;
    padding-left: 18px;
    color: var(--text-primary);
    font-size: 0.79rem;
    line-height: 1.5;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.install-guide-hint {
    margin: 10px 0 0;
    padding: 8px 10px;
    border-radius: 9px;
    border: 1px solid rgba(52, 211, 153, 0.35);
    background: rgba(16, 185, 129, 0.12);
    color: #99f6e4;
    font-size: 0.75rem;
    line-height: 1.45;
}

.install-guide-actions {
    margin-top: 10px;
    display: flex;
    gap: 8px;
}

.install-guide-actions .btn {
    flex: 1;
    justify-content: center;
    min-height: 40px;
    padding: 8px 10px;
}

@media (min-width: 769px) {
    .install-guide {
        width: min(440px, calc(100vw - 24px));
        left: 50%;
        right: auto;
        transform: translateX(-50%);
    }
}

/* ===== 响应式 - 平板 ===== */
@media (max-width: 768px) {
    .header h1 {
        font-size: 1.8rem;
        flex-direction: column;
        gap: 6px;
    }
    
    .spade-icon {
        font-size: 2.2rem;
    }

    .header p {
        font-size: 0.88rem;
    }

    .signature-line {
        margin-top: 18px;
        gap: 6px;
    }

    .signature-prefix {
        font-size: 0.9rem;
    }

    .signature-name {
        font-size: 1.7rem;
        min-width: 7.9ch;
    }

    .signature-cursor {
        height: 1.2rem;
    }

    .header {
        padding: 24px 0 16px;
    }

    .container {
        padding: 0 12px;
    }

    .panel {
        padding: 14px;
    }

    /* 主布局：移动端单列，结果面板浮动到顶部 */
    .main-layout {
        display: flex;
        flex-direction: column;
        padding-bottom: 0;
    }

    .right-column {
        order: 2;
        margin-top: 15px;
    }

    .results-panel {
        position: static;
    }

    /* 牌选择器：8列更紧凑，保持触控面积 */
    .card-picker-grid {
        grid-template-columns: repeat(8, 1fr);
        gap: 3px;
    }

    .pick-card {
        aspect-ratio: 0.78;
        font-size: 0.74rem;
        min-height: 46px;
        border-radius: 7px;
    }

    .pick-card .pick-rank {
        font-size: 0.85rem;
    }

    .pick-card .pick-suit {
        font-size: 0.9rem;
    }

    /* 手牌/公共牌槽位 */
    .selected-cards {
        gap: 8px;
        min-height: 82px;
        justify-content: center;
    }

    .selected-card-slot {
        width: 58px;
        height: 80px;
    }

    .poker-card {
        width: 58px;
        height: 80px;
    }

    .card-selection-label {
        gap: 8px;
        align-items: flex-start;
    }

    .btn-clear-inline {
        min-height: 42px;
        padding: 8px 12px;
    }

    /* 阶段进度条 */
    .stage-progress {
        padding: 8px 12px;
        gap: 4px;
        margin-bottom: 12px;
    }

    .stage-name {
        font-size: 0.65rem;
    }

    /* 花色过滤按钮 */
    .suit-btn {
        padding: 10px;
        font-size: 1.3rem;
        min-height: 44px;
    }

    /* 阶段 Tab */
    .stage-tabs {
        gap: 2px;
        padding: 3px;
        margin-bottom: 12px;
    }

    .stage-tab {
        padding: 10px 6px;
        font-size: 0.82rem;
        min-height: 44px;
    }

    /* 操作按钮吸底 */
    .action-buttons {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: rgba(10, 14, 23, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        padding: 12px 16px max(12px, env(safe-area-inset-bottom));
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        z-index: 100;
        margin: 0;
        display: flex;
        gap: 12px;
        box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.5);
    }

    .btn {
        padding: 14px 16px;
        font-size: 0.95rem;
        min-height: 50px;
        border-radius: 12px;
    }

    /* 为主体内容底部留出空间 */
    .main-layout {
        padding-bottom: 80px;
    }

    /* 对手选择器更紧凑 */
    .opponent-selector {
        padding: 12px;
        gap: 10px;
        margin-bottom: 12px;
    }

    .situation-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .situation-toggle-btn {
        font-size: 0.72rem;
        padding: 6px 9px;
    }

    .input-prefix {
        gap: 6px;
    }

    .prefix-chip {
        min-width: 40px;
    }

    .opponent-slider {
        height: 8px;
    }

    .opponent-slider::-webkit-slider-thumb {
        width: 28px;
        height: 28px;
    }

    /* 胜率结果优化 */
    .win-rate-number {
        font-size: 3.2rem;
    }

    .win-rate-display {
        padding: 16px 0;
        margin-bottom: 12px;
    }

    .rate-bars {
        gap: 10px;
        margin-bottom: 16px;
    }

    .decision-panel {
        padding: 14px;
        margin-bottom: 16px;
    }

    .decision-metrics {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    .decision-action {
        font-size: 1.15rem;
    }

    /* 起手牌网格横向滑动提示区域 */
    .preflop-section.panel {
        padding: 14px 4px;
        /* 减小两侧内边距以最大化网格显示 */
    }

    .panel-title {
        padding: 0 10px;
    }

    .preflop-grid-wrapper {
        padding: 4px 10px 10px;
        -webkit-overflow-scrolling: touch;
    }

    .preflop-grid {
        min-width: unset;
        gap: 2px;
    }

    .preflop-cell {
        font-size: 0.6rem;
        border-radius: 4px;
    }

    .preflop-cell .cell-rate {
        display: none;
    }

    .preflop-cell .cell-label {
        font-size: 0.55rem;
    }

    .legend {
        gap: 8px;
        padding: 0 10px;
    }

    .legend-item {
        font-size: 0.68rem;
    }

    .footer {
        padding: 24px 20px calc(80px + env(safe-area-inset-bottom));
        margin-top: 24px;
        border-top: 1px solid var(--border-color);
        width: 100%;
    }

    .install-guide {
        bottom: calc(86px + env(safe-area-inset-bottom));
    }
}

/* ===== 响应式 - 小手机 ===== */
@media (max-width: 480px) {
    .header h1 {
        font-size: 1.5rem;
        flex-direction: column;
        gap: 4px;
    }

    .spade-icon {
        font-size: 1.8rem;
    }

    .header p {
        font-size: 0.8rem;
    }

    .signature-name {
        font-size: 1.42rem;
        min-width: 7.5ch;
    }

    .signature-prefix {
        font-size: 0.82rem;
    }

    .signature-cursor {
        height: 1.08rem;
    }

    .header {
        padding: 20px 0 12px;
    }

    .container {
        padding: 0 8px;
    }

    .panel {
        padding: 12px;
    }

    /* 选牌器：更紧凑的 8 列布局 */
    .card-picker-grid {
        grid-template-columns: repeat(8, 1fr);
        gap: 2px;
    }

    .pick-card {
        min-height: 44px;
        border-radius: 6px;
    }

    .pick-card .pick-rank {
        font-size: 0.8rem;
    }

    .pick-card .pick-suit {
        font-size: 0.82rem;
    }

    .selected-cards {
        gap: 6px;
        min-height: 68px;
    }

    .selected-card-slot {
        width: 52px;
        height: 72px;
    }

    .poker-card {
        width: 52px;
        height: 72px;
    }

    .poker-card .rank {
        font-size: 0.9rem;
    }

    .poker-card .suit {
        font-size: 0.95rem;
    }

    .stage-tab {
        font-size: 0.78rem;
        padding: 8px 4px;
    }

    .stage-tab .count {
        font-size: 0.62rem;
    }

    .win-rate-number {
        font-size: 2.8rem;
    }

    .rate-bar-label {
        font-size: 0.72rem;
        width: 24px;
    }

    .rate-bar-value {
        font-size: 0.78rem;
        min-width: 40px;
    }

    .advice-card {
        padding: 12px;
        gap: 8px;
    }

    .advice-emoji {
        font-size: 1.2rem;
    }

    .advice-text {
        font-size: 0.82rem;
    }

    .current-hand-info {
        padding: 12px;
    }

    .current-hand-name {
        font-size: 1.05rem;
    }

    .hand-dist-name {
        width: 65px;
        font-size: 0.72rem;
    }

    .hand-dist-pct {
        font-size: 0.68rem;
        width: 35px;
    }

    /* 起手牌网格 */
    .preflop-cell {
        font-size: 0.5rem;
    }

    .preflop-cell .cell-label {
        font-size: 0.48rem;
    }

    .card-selection-label {
        font-size: 0.8rem;
    }

    .panel-title {
        font-size: 1rem;
        margin-bottom: 14px;
    }

    .situation-toggle-btn {
        font-size: 0.68rem;
        padding: 6px 8px;
    }

    .panel-title .icon {
        width: 28px;
        height: 28px;
        font-size: 0.85rem;
    }
}

@media (max-width: 360px) {
    .card-picker-grid {
        grid-template-columns: repeat(7, 1fr);
    }
}

/* ===== 安全区适配 (刘海/药丸屏) ===== */
@supports (padding-top: env(safe-area-inset-top)) {
    .header {
        padding-top: calc(20px + env(safe-area-inset-top));
    }

    /* 页脚安全区已在响应式布局中处理 */

    .container {
        padding-left: max(12px, env(safe-area-inset-left));
        padding-right: max(12px, env(safe-area-inset-right));
    }
}

/* ===== 触摸设备优化 ===== */
@media (hover: none) and (pointer: coarse) {

    /* 移除不适合触摸的 hover 效果 */
    .pick-card:hover {
        transform: none;
    }

    .preflop-cell:hover {
        transform: none;
        box-shadow: none;
    }

    .selected-card-slot.filled:hover {
        transform: none;
    }

    /* 增加触摸反馈 */
    .pick-card:active {
        transform: scale(0.92);
        background: var(--bg-glass-hover);
    }

    .preflop-cell:active {
        transform: scale(0.95);
        opacity: 0.8;
    }

    .btn:active {
        transform: scale(0.97);
    }

    .selected-card-slot:active {
        transform: scale(0.95);
    }

    .suit-btn:active {
        transform: scale(0.92);
    }
}

@media (prefers-reduced-motion: reduce) {
    .selected-card-slot,
    .poker-card,
    .pick-card,
    .rate-bar-fill,
    .win-rate-number,
    .advice-card,
    .ai-panel,
    .btn-ai::after {
        animation: none !important;
        transition: none !important;
    }
}

/* ===== 动画 ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.4s ease forwards;
}

.slide-up {
    animation: slideUp 0.5s ease forwards;
}

/* 数字跳动动画 */
@keyframes countUp {
    from {
        opacity: 0;
        transform: scale(0.5);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.count-animate {
    animation: countUp 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

/* ===== AI 策略按钮 ===== */
.btn-ai {
    width: 100%;
    margin-top: 16px;
    padding: 14px 20px;
    border: none;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, #6366f1, #8b5cf6, #a855f7);
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.btn-ai:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(139, 92, 246, 0.6);
}

.btn-ai:active {
    transform: scale(0.98);
}

.btn-ai .ai-icon {
    font-size: 1.3em;
}

.btn-ai .ai-badge {
    font-size: 0.65rem;
    padding: 2px 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.btn-ai::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
    animation: aiShimmer 3s ease-in-out infinite;
}

@keyframes aiShimmer {
    0% { transform: translateX(-100%) rotate(45deg); }
    100% { transform: translateX(100%) rotate(45deg); }
}

.btn-ai.loading {
    opacity: 0.7;
    pointer-events: none;
}

/* ===== AI 面板遮罩 ===== */
.ai-panel-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 998;
    animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ===== AI 面板 ===== */
.ai-panel {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    max-height: 75vh;
    background: linear-gradient(180deg, #1a1f36, #0f1225);
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    box-shadow: 0 -10px 50px rgba(99, 102, 241, 0.3);
    border-top: 1px solid rgba(139, 92, 246, 0.4);
    animation: slideUp 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

@media (min-width: 769px) {
    .ai-panel {
        left: 50%;
        transform: translateX(-50%);
        max-width: 680px;
        bottom: 20px;
        border-radius: 16px;
        max-height: 70vh;
        border: 1px solid rgba(139, 92, 246, 0.4);
    }

    @keyframes slideUp {
        from { transform: translateX(-50%) translateY(30px); opacity: 0; }
        to { transform: translateX(-50%) translateY(0); opacity: 1; }
    }
}

.ai-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    flex-shrink: 0;
}

.ai-panel-title {
    display: flex;
    align-items: center;
    gap: 10px;
}

.ai-avatar {
    font-size: 1.6rem;
    background: linear-gradient(135deg, #6366f1, #a855f7);
    border-radius: 12px;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.ai-panel-title strong {
    display: block;
    font-size: 1rem;
    color: #fff;
}

.ai-subtitle {
    display: block;
    font-size: 0.72rem;
    color: rgba(139, 92, 246, 0.8);
    font-weight: 500;
}

.ai-close-btn {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: 10px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ai-close-btn:hover {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

.ai-panel-body {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
    -webkit-overflow-scrolling: touch;
}

.ai-message {
    font-size: 0.92rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.ai-content {
    display: none;
}

.ai-content.visible {
    display: block;
    animation: fadeIn 0.3s ease;
}

/* AI 内容 Markdown 排版 */
.ai-content h3,
.ai-content h4 {
    color: #a78bfa;
    margin: 16px 0 8px;
    font-size: 1rem;
}

.ai-content p {
    margin: 8px 0;
}

.ai-content strong {
    color: #e2e8f0;
}

.ai-content ul, .ai-content ol {
    padding-left: 20px;
    margin: 8px 0;
}

.ai-content li {
    margin: 4px 0;
}

.ai-content code {
    background: rgba(139, 92, 246, 0.15);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.85em;
    color: #c4b5fd;
}

.ai-content blockquote {
    border-left: 3px solid #6366f1;
    padding-left: 12px;
    margin: 12px 0;
    color: var(--text-muted);
    font-style: italic;
}

/* AI 打字动画 */
.ai-typing {
    display: flex;
    gap: 6px;
    padding: 8px 0;
}

.ai-typing span {
    width: 8px;
    height: 8px;
    background: #8b5cf6;
    border-radius: 50%;
    animation: typingDot 1.2s ease-in-out infinite;
}

.ai-typing span:nth-child(2) { animation-delay: 0.2s; }
.ai-typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingDot {
    0%, 60%, 100% { transform: scale(0.6); opacity: 0.3; }
    30% { transform: scale(1); opacity: 1; }
}

.ai-typing.hidden { display: none; }