/* Modern Design System - Low Saturation, Matte Aesthetic */
:root {
    /* Background - Neutral Grays */
    --bg-primary: #FAFBFC; /* Ultra light gray-blue */
    --bg-secondary: #F3F4F6; /* Light gray for cards */
    --bg-tertiary: #E5E7EB; /* Medium gray for borders */
    
    /* Text - High Contrast, Modern */
    --text-primary: #1F2937; /* Near black, softer than pure black */
    --text-secondary: #6B7280; /* Medium gray */
    --text-tertiary: #9CA3AF; /* Light gray for hints */
    
    /* Accent Colors - Desaturated, Modern Palette */
    --accent-primary: #6366F1; /* Indigo - main brand */
    --accent-secondary: #8B5CF6; /* Purple - secondary */
    --accent-success: #10B981; /* Emerald green */
    --accent-warning: #F59E0B; /* Amber */
    --accent-danger: #EF4444; /* Red */
    
    /* Bubble Colors - Muted, Harmonious */
    --bubble-red: #F87171; /* Soft red */
    --bubble-orange: #FB923C; /* Soft orange */
    --bubble-yellow: #FBBF24; /* Soft yellow */
    --bubble-blue: #60A5FA; /* Soft blue */
    --bubble-purple: #A78BFA; /* Soft purple */
    
    /* Interactive Elements */
    --button-primary: #6366F1;
    --button-primary-hover: #4F46E5;
    --button-secondary: #F3F4F6;
    --button-secondary-hover: #E5E7EB;
    
    /* Borders & Shadows - Subtle */
    --border-light: #E5E7EB;
    --border-medium: #D1D5DB;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    
    /* Glassmorphism - Refined */
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
    --glass-blur: blur(16px);
    
    /* Spacing Scale */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased; 
    -moz-osx-font-smoothing: grayscale;
}

/* Unified scrollbar styles for cross-platform consistency */
::-webkit-scrollbar {
    width: 6px; /* Slimmer scrollbar */
    height: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.15);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.25);
}

body {
    /* Modern Font Stack: Inter (preferred) -> System Fonts */
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
    background: linear-gradient(135deg, #FAFBFC 0%, #F3F4F6 100%);
    color: var(--text-primary);
    line-height: 1.6;
    overflow: hidden; 
    width: 100vw;
    height: 100vh;
    position: fixed; 
    top: 0;
    left: 0;
    font-weight: 400;
    letter-spacing: -0.011em; /* Tighter tracking for modern look */
}

/* Unified form control base styles */
button, input, select, textarea {
    font-family: inherit; /* Inherit body font to prevent fallback to default */
    appearance: none;     /* Remove system default UI rendering */
    -webkit-appearance: none;
    -moz-appearance: none;
}

.game-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    width: 100%;
    max-width: 1200px; /* Use max-width for flexibility */
    margin: 0 auto;
    padding: 20px;
}

/* Glassmorphism Utility Class */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

/* Header with score and controls - Glassmorphism Full-Width Layout */
.game-header {
    display: grid;
    grid-template-columns: auto 1fr auto; /* Left auto, Center flex, Right auto */
    align-items: center;
    padding: var(--space-sm) var(--space-xl);
    
    /* A. Glassmorphism effect */
    background: rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    
    /* B. Subtle border, no shadow */
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-bottom: 1px solid rgba(99, 102, 241, 0.08);
    box-shadow: none; /* Remove shadow */
    
    /* C. Tablet optimization - full width */
    border-radius: 0;
    margin: 0 calc(-1 * var(--space-xl)); /* Negative margin for full width */
    margin-bottom: var(--space-md);
    padding-left: var(--space-xl);
    padding-right: var(--space-xl);
    width: calc(100% + var(--space-xl) * 2);
    
    gap: var(--space-lg);
    min-height: 64px;
    position: relative;
}

/* D. Pitch indicator integrated into control bar bottom */
.game-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 280px;
    height: 4px;
    background: linear-gradient(90deg, 
        var(--bubble-red) 0%, 
        var(--bubble-red) 20%, 
        var(--bubble-orange) 20%, 
        var(--bubble-orange) 40%, 
        var(--bubble-yellow) 40%, 
        var(--bubble-yellow) 60%, 
        var(--bubble-blue) 60%, 
        var(--bubble-blue) 80%, 
        var(--bubble-purple) 80%, 
        var(--bubble-purple) 100%
    );
    border-radius: 2px 2px 0 0;
    opacity: 0.7;
}

.header-section {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* Header Sections Alignment - Tablet two-hand grip optimization */
.header-left {
    justify-content: flex-start;
    /* 左侧：参数、语言 */
}

.header-center {
    justify-content: center;
    flex: 1;
    min-width: 200px;
    max-width: 400px;
    margin: 0 auto;
}

.header-right {
    justify-content: flex-end;
    /* 右侧：播放控制、静音 */
}

/* Vertical Divider for grouping */
.divider-vertical {
    width: 1px;
    height: 24px;
    background-color: var(--border-medium);
    margin: 0 4px;
    opacity: 0.5;
}

/* Hero Buttons - Prominent & Easy to Hit */
.control-btn.hero-btn {
    min-width: 130px; /* Wide touch target */
    height: 48px;     /* Taller */
    font-size: 1rem;
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

.control-btn.hero-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.control-btn.hero-btn:active {
    transform: scale(0.96) translateY(1px);
}

/* Ensure Panic/Mute is distinct */
.control-btn.panic-btn {
    /* Mute button specific styles if not hero */
}

.play-controls {
    display: none; /* Hide old container */
}

.speed-controls {
    display: flex;
    gap: 2px;
    background: rgba(243, 244, 246, 0.6);
    padding: 3px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

/* Modern Button System - Enhanced Touch Targets & Feedback */
.control-btn, .speed-btn {
    padding: 8px 14px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    cursor: pointer;
    transition: transform 0.1s cubic-bezier(0.4, 0, 0.2, 1), background-color 0.2s ease, box-shadow 0.2s ease;
    background-color: rgba(255, 255, 255, 0.7);
    color: var(--text-primary);
    box-shadow: none;
    border: 1px solid rgba(0, 0, 0, 0.06);
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    white-space: nowrap;
    position: relative;
}

/* Invisible Touch Area Expansion */
.control-btn::after, .speed-btn::after {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    z-index: 1; /* Ensure it's clickable */
}

/* Active State - Visual Depression */
.control-btn:active, .speed-btn:active {
    transform: scale(0.96) translateY(1px); /* Physical depression feel */
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.05); /* Inner shadow for depth */
}

/* Primary Action Button */
.primary-btn {
    background-color: var(--button-primary);
    color: white;
    font-weight: 600;
    border: none;
}
.primary-btn:hover {
    background-color: var(--button-primary-hover);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.25);
    transform: translateY(-1px);
}

/* Secondary Action Buttons */
.secondary-btn {
    background-color: rgba(255, 255, 255, 0.8);
    color: var(--text-secondary);
    border: 1px solid rgba(0, 0, 0, 0.08);
}
.secondary-btn:hover {
    background-color: rgba(255, 255, 255, 0.95);
    color: var(--text-primary);
    border-color: rgba(0, 0, 0, 0.12);
}

.control-btn.panic-btn {
    background: rgba(254, 242, 242, 0.8);
    color: var(--accent-danger);
    border: 1px solid rgba(254, 202, 202, 0.5);
}

.control-btn.panic-btn.is-muted {
    background: var(--accent-danger);
    color: #fff;
    border-color: var(--accent-danger);
}

.control-btn:hover, .speed-btn:hover {
    transform: translateY(-1px);
}

.speed-btn {
    background: transparent;
    box-shadow: none;
    padding: 4px 10px;
    height: auto;
    min-height: 28px;
    font-size: 0.7rem;
    color: var(--text-tertiary);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.15s ease;
}

.speed-btn svg {
    flex-shrink: 0;
    width: 14px;
    height: 14px;
}

.speed-label {
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.speed-btn:hover {
    background: rgba(255,255,255,0.8);
    color: var(--text-secondary);
    transform: none;
}

.speed-btn.active {
    background-color: #fff;
    color: var(--accent-primary);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    font-weight: 600;
}

.speed-btn.active .speed-label {
    font-weight: 600;
}

/* Progress Indicator - Compact for Header */
.progress-indicator {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--space-sm);
    width: 100%;
    background: transparent;
    padding: 0;
    border: none;
    box-shadow: none;
}

.time-remaining {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-variant-numeric: tabular-nums;
    min-width: 70px;
}

.time-remaining svg {
    opacity: 0.5;
    width: 14px;
    height: 14px;
}

.progress-bar {
    flex: 1;
    height: 6px;
    background-color: rgba(0, 0, 0, 0.06);
    border-radius: 999px;
    overflow: hidden;
    position: relative;
    border: none;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.3) 50%, 
        transparent 100%);
    animation: shimmer 2s infinite;
}

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

/* Game area layout - Tokyo2020 Integration */
.game-area {
    display: flex;
    gap: 20px;
    flex: 1;
    min-height: 0;
    justify-content: center;
}

.game-main {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #FFFFFF;
    border-radius: var(--radius-lg);
    overflow: visible;
    box-shadow: var(--shadow-lg);
    width: 820px;
    height: 620px;
    flex-shrink: 0;
    transition: box-shadow 0.3s ease;
}

#game-canvas {
    background: linear-gradient(180deg, #FAFBFC 0%, #F0F9FF 100%);
    border-radius: var(--radius-md);
    width: 800px;
    height: 600px;
    max-width: none;
    max-height: none;
}

/* Encouragement messages - Modern Toast Style */
.encouragement-message {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    background: var(--accent-success);
    padding: 16px 32px;
    border-radius: var(--radius-lg);
    border: none;
    box-shadow: var(--shadow-lg);
    text-shadow: none;
    opacity: 0;
    pointer-events: none;
    z-index: 1000;
    max-width: 90vw;
    text-align: center;
    letter-spacing: -0.02em;
}

/* Pause overlay */
.pause-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(248, 249, 250, 0.95);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 20;
    border-radius: 12px;
}

.pause-overlay h2 {
    font-size: 3rem;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.pause-overlay p {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.hidden {
    display: none !important;
}

/* Footer instructions */
.game-footer {
    padding: var(--space-md) var(--space-lg);
    text-align: center;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    margin-top: var(--space-lg);
    border: 1px solid var(--border-light);
}

.instructions p {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
    letter-spacing: -0.01em;
}

/* Status display styles */
.status-display {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    margin: var(--space-sm) 0;
    flex-wrap: wrap;
}

.status-item {
    background: var(--bg-secondary);
    padding: 8px 16px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    font-size: 0.875rem;
    border: 1px solid var(--border-light);
}

.status-item span {
    color: var(--text-primary);
    font-weight: 500;
}

/* Enhanced button styles for new features */
.control-btn {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

/* 成就提示样式 - 使用 transform: translate3d 优化性能并尝试避免布局影响 */
.achievement-popup {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translate3d(-50%, 0, 0);
    background: var(--success-soft);
    color: var(--text-primary);
    padding: 20px 30px;
    border-radius: 16px;
    font-size: 1.2rem;
    font-weight: 600;
    border: 2px solid var(--accent-soft);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    z-index: 1001;
    animation: achievementPop 0.5s ease-out;
    max-width: 90vw;
    text-align: center;
}

/* Encouragement messages - 移到页面顶部 */
.encouragement-message {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translate3d(-50%, 0, 0);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    background: var(--success-soft);
    padding: 12px 24px;
    border-radius: 12px;
    border: 2px solid var(--accent-soft);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    text-shadow: none;
    opacity: 0;
    pointer-events: none;
    z-index: 1000;
    max-width: 90vw;
    text-align: center;
}
/* Lane guides - Top aligned, transparent indicators */
.lane-labels {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%; /* Cover full area to allow absolute positioning of children */
    pointer-events: none;
    z-index: 10;
}

.click-trail {
    /* Trail hidden by default to keep interface clean */
    display: none;
    pointer-events: none;
    z-index: 5;
}

.lane-label {
    position: absolute;
    top: 12px; /* Attach to top */
    transform: translateX(-50%);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    
    /* Default: Semi-transparent / Ghost */
    background: rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.2);
    
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Text shadow for legibility */
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.lane-label.active {
    /* Active: Highlighted when bubble is present/popped */
    background: rgba(255, 255, 255, 0.95);
    color: var(--accent-primary);
    border-color: #fff;
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.4);
    transform: translateX(-50%) scale(1.05);
    z-index: 11;
}

.click-trail {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    padding-bottom: 20px;
    opacity: 0.8;
}

.trail-dot {
    display: inline-block;
    width: 24px;
    height: 24px;
    line-height: 24px;
    border-radius: 50%;
    text-align: center;
    font-size: 12px;
    color: white;
    margin: 0 2px;
    animation: fadeOut 2s forwards;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

@keyframes fadeOut {
    to { opacity: 0; transform: translateY(-20px); }
}

/* Responsive design */
@media (max-width: 1200px) {
    .game-area {
        flex-direction: column;
    }
}

/* 平板优化 */
@media (min-width: 768px) and (max-width: 1024px) {
    .game-header {
        padding: var(--space-sm) var(--space-lg);
    }
    
    .header-center {
        max-width: 280px;
    }
    
    .control-btn {
        padding: 6px 12px;
        font-size: 0.75rem;
        height: 36px;
    }
    
    .speed-controls {
        padding: 2px;
    }
    
    .speed-btn {
        padding: 3px 8px;
        min-height: 26px;
    }
}

@media (max-width: 768px) {
    .game-container {
        padding: 10px;
    }
    
    .game-header {
        display: flex;
        flex-direction: row;
        flex-wrap: wrap;
        gap: 10px;
        padding: var(--space-sm) var(--space-md);
        margin: 0 calc(-1 * var(--space-md));
        width: calc(100% + var(--space-md) * 2);
    }
    
    .game-header::after {
        width: 200px;
    }
    
    .header-section {
        flex: 1;
        min-width: auto;
    }
    
    .header-left {
        order: 1;
        justify-content: flex-start;
    }
    
    .header-center {
        order: 3;
        flex-basis: 100%;
        max-width: none;
    }
    
    .header-right {
        order: 2;
        justify-content: flex-end;
    }
    
    .controls {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
    
    .status-display {
        flex-direction: column;
        gap: 10px;
    }
    
    .status-item {
        text-align: center;
    }
    
    #game-canvas {
        width: 100%;
        height: auto;
    }
    
    .encouragement-message {
        font-size: 1.5rem;
    }
    
    .pause-overlay h2 {
        font-size: 2rem;
    }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

.control-btn:focus {
    outline: 3px solid var(--accent-calm);
    outline-offset: 2px;
}

.control-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

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

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --text-primary: #000000;
        --text-secondary: #333333;
        --bg-primary: #FFFFFF;
        --bg-secondary: #F0F0F0;
    }
}

/* 自闭症友好增强功能样式 - 已移除面板，保留类名防止报错 */
/* .autism-controls, .sensory-panel, .sensory-control styles removed */

/* 色彩模式变体 */
body.high-contrast {
    --bg-primary: #000000;
    --bg-secondary: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --accent-soft: #00ff00;
    --accent-calm: #0099ff;
    --button-primary: #333333;
    --button-hover: #555555;
    --border-light: #666666;
}

body.soft-colors {
    --bg-primary: #faf9f7;
    --bg-secondary: #f5f3f0;
    --text-primary: #5d4e37;
    --text-secondary: #8b7355;
    --accent-soft: #d4c5b9;
    --accent-calm: #c9b79c;
    --accent-warm: #e8dcc6;
    --button-primary: #d4c5b9;
    --button-hover: #c9b79c;
}

/* 动画强度控制 */
body.low-animation * {
    animation-duration: 2s !important;
    transition-duration: 0.5s !important;
}

body.high-animation * {
    animation-duration: 0.3s !important;
    transition-duration: 0.1s !important;
}

/* 可预测模式指示 */
.predictable-mode-indicator {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--success-soft);
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid var(--accent-soft);
    z-index: 100;
}

/* Session settings modal */
.settings-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2200;
}

.settings-panel {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: 0;
    width: min(520px, 92vw);
    box-shadow: var(--shadow-lg);
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--border-light);
}

.settings-header {
    padding: var(--space-lg) var(--space-lg) var(--space-md);
    background: var(--bg-primary);
    flex-shrink: 0;
    border-bottom: 1px solid var(--border-light);
}

.settings-scroll-area {
    padding: var(--space-md) var(--space-lg);
    overflow-y: auto;
    flex: 1;
    background: #FAFBFC;
}

.settings-actions {
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-primary);
    border-top: 1px solid var(--border-light);
    flex-shrink: 0;
    display: flex;
    gap: var(--space-sm);
    justify-content: flex-end;
}

.settings-panel h2 {
    margin-bottom: 4px;
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.settings-subtitle {
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 400;
}

.settings-mode {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 4px;
}

/* 紧凑化 */
.settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm) var(--space-md);
    margin-bottom: 0;
}

.settings-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.875rem;
}

.settings-field-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.settings-field select {
    padding: 8px 12px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    background: #fff;
    font-size: 0.875rem;
    color: var(--text-primary);
    transition: all 0.15s ease;
}

.settings-field select:hover {
    border-color: var(--border-medium);
}

.settings-field select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.settings-field label {
    font-weight: 500;
    color: var(--text-primary);
}

.settings-reset {
    padding: 2px 6px;
    font-size: 0.7rem;
}

.settings-disclaimer {
    margin-bottom: 12px;
    padding: 8px 10px;
    font-size: 0.8rem;
}

.settings-slider-value {
    min-width: 60px;
    font-size: 0.9rem;
}

/* 按钮紧凑化 */
.result-btn.small {
    padding: 8px 16px;
    font-size: 0.95rem;
    min-width: 80px;
    border-radius: 8px;
}

.session-preset {
    margin-left: 12px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Result Overlay - Modern Glassmorphism */
.game-result-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(31, 41, 55, 0.5);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    animation: fadeIn 0.3s ease-out;
}

.result-content {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.7);
    box-shadow: var(--shadow-lg);
    
    border-radius: var(--radius-xl);
    padding: 40px 50px;
    max-width: 800px;
    width: 85vw;
    text-align: center;
    animation: slideUp 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
    max-height: 88vh;
    overflow-y: auto;
}

.result-content h2 {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 30px;
    font-weight: 700;
    letter-spacing: -0.03em; /* Tighter for large headings */
}

.result-stats {
    display: flex; /* Changed from grid to flex for better elasticity */
    justify-content: space-between;
    align-items: stretch;
    gap: 15px;
    margin-bottom: 35px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.stat-item {
    flex: 1; /* 1:1:1 ratio */
    min-width: 0; /* Allow shrinking */
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: 24px 18px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--border-light);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    min-height: 120px;
    justify-content: center;
}

.stat-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-medium);
}

.stat-icon {
    font-size: 1.75rem;
    color: var(--accent-primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-primary);
    letter-spacing: -0.03em;
    font-variant-numeric: tabular-nums;
}

.stat-unit {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-weight: 400;
}

.result-message {
    margin-bottom: 25px;
    padding: 16px 24px;
    background: linear-gradient(135deg, #ECFDF5 0%, #D1FAE5 100%);
    border-radius: var(--radius-md);
    border: 1px solid #A7F3D0;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.result-message p {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 500;
    margin: 0;
    line-height: 1.5;
    text-align: center;
    letter-spacing: -0.01em;
}

.result-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 10px;
}

.result-btn {
    padding: 14px 28px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    cursor: pointer;
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 140px;
}
/* Expert Mode Button Style */
#post-session-btn {
    border-radius: 20px; /* More rounded */
    background-color: rgba(243, 244, 246, 0.5); /* Lighter bg (based on bg-secondary with opacity) */
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    font-size: 0.8rem;
    padding: 6px 12px;
    transition: all 0.2s ease;
}

#post-session-btn:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    transform: none; /* Subtle hover only */
}

.result-btn.primary {
    background: var(--accent-primary);
    color: white;
}

.result-btn.primary:hover {
    background: var(--button-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.result-btn.secondary {
    background: var(--button-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}

.result-btn.secondary:hover {
    background: var(--button-secondary-hover);
    border-color: var(--border-medium);
    transform: translateY(-1px);
}

.result-btn.panic-btn {
    background: #FEF2F2;
    color: var(--accent-danger);
    border: 1px solid #FECACA;
}

.result-btn.panic-btn.is-muted {
    background: var(--accent-danger);
    color: #fff;
    border-color: var(--accent-danger);
}

.result-btn.music {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    border: none;
    font-weight: 600;
}

.result-btn.music:hover {
    background: linear-gradient(135deg, var(--button-primary-hover), #7C3AED);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.debug-panel {
    margin: 22px 0 10px;
    padding: 20px 24px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    text-align: left;
}

.debug-section {
    margin-top: var(--space-md);
}

.debug-section:first-of-type {
    margin-top: 0;
}

.debug-section-title {
    margin: 0 0 var(--space-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: none;
    font-weight: 600;
    letter-spacing: -0.01em;
}

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

.debug-header-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.debug-header h3 {
    margin: 0;
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: -0.01em;
}

.debug-help {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 12px 16px;
    border: 1px solid var(--border-light);
    margin-bottom: var(--space-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.debug-help ol {
    margin: 6px 0 0 18px;
    padding: 0;
}

.debug-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 10px;
    margin-bottom: 12px;
}

.debug-reason {
    margin-bottom: 10px;
    padding: 8px 10px;
    border-radius: 10px;
    background: #fff;
    border: 1px solid var(--border-light);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.overview-item {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 12px 16px;
    border: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.overview-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.overview-value {
    font-size: 0.875rem;
    color: var(--text-primary);
    font-weight: 600;
}

.debug-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
}

.debug-block {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 14px 16px;
    border: 1px solid var(--border-light);
}

.debug-block-wide {
    grid-column: 1 / -1;
}

.debug-block h4 {
    margin: 0 0 var(--space-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.debug-list {
    margin: 0;
    padding-left: 18px;
    font-size: 0.875rem;
    color: var(--text-primary);
    line-height: 1.5;
}

.debug-details {
    margin-top: var(--space-sm);
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.debug-details summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.debug-timeline {
    width: 100%;
    height: 90px;
    border-radius: 10px;
    border: 1px solid var(--border-light);
    background: linear-gradient(180deg, #fff 0%, #faf7f2 100%);
    display: block;
    margin-bottom: 10px;
}

.debug-lane-bars {
    display: grid;
    gap: 6px;
}

.lane-bar-row {
    display: grid;
    grid-template-columns: 36px 1fr 44px;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.lane-bar-label {
    font-weight: 600;
    color: var(--text-primary);
    text-align: center;
}

.lane-bar-track {
    position: relative;
    height: 8px;
    background: #f0ebe4;
    border-radius: 999px;
    overflow: hidden;
}

.lane-bar-fill {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    border-radius: 999px;
}

.lane-bar-value {
    text-align: right;
    color: var(--text-secondary);
}

.debug-note {
    margin-top: 10px;
    font-size: 0.82rem;
    color: var(--text-secondary);
    border-top: 1px dashed var(--border-light);
    padding-top: 8px;
}

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

@keyframes slideUp {
    from { 
        opacity: 0;
        transform: translateY(50px) scale(0.9);
    }
    to { 
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Achievement popup - Modern Toast Style */
.achievement-popup {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #ECFDF5 0%, #D1FAE5 100%);
    color: var(--text-primary);
    padding: 18px 32px;
    border-radius: var(--radius-lg);
    font-size: 1.125rem;
    font-weight: 600;
    border: 1px solid #A7F3D0;
    box-shadow: var(--shadow-lg);
    z-index: 1001;
    animation: achievementPop 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    max-width: 90vw;
    text-align: center;
    letter-spacing: -0.02em;
}

@keyframes achievementPop {
    0% {
        transform: translateX(-50%) translateY(-20px) scale(0.8);
        opacity: 0;
    }
    50% {
        transform: translateX(-50%) translateY(0) scale(1.05);
        opacity: 0.9;
    }
    100% {
        transform: translateX(-50%) translateY(0) scale(1);
        opacity: 1;
    }
}

@keyframes fadeInOut {
    0% {
        opacity: 0;
        transform: translateX(-50%) translateY(-10px);
    }
    15%, 85% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(-10px);
    }
}

/* 响应式调整 */
@media (max-width: 768px) {
    /* Header 响应式布局 */
    .game-header {
        grid-template-columns: 1fr;
        gap: var(--space-md);
        padding: var(--space-md);
    }
    
    .header-section {
        justify-content: center;
    }
    
    .header-left,
    .header-right {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .sensory-panel {
        position: fixed;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 90vw;
        max-width: 400px;
    }
    
    .progress-indicator {
        min-width: 180px;
    }
    
    .controls {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    /* 游戏结果窗口在移动设备上的调整 */
    .result-content {
        padding: 30px 25px;
        max-width: 95vw;
        width: 95vw;
    }
    
    .result-content h2 {
        font-size: 1.8rem;
        margin-bottom: 25px;
    }
    
    .result-stats {
        grid-template-columns: 1fr 1fr 1fr;
        gap: 12px;
        margin-bottom: 20px;
        max-width: 600px;
    }
    
    .stat-item {
        padding: 15px 10px;
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
    
    .result-actions {
        flex-direction: column;
        gap: 10px;
    }
    
    .result-btn {
        padding: 12px 20px;
        font-size: 1rem;
        min-width: auto;
    }
    
    /* 反馈消息在移动设备上的调整 */
    .encouragement-message {
        top: 60px;
        font-size: 1.4rem;
        padding: 10px 20px;
        max-width: 95vw;
    }
    
    .achievement-popup {
        top: 60px;
        font-size: 1.1rem;
        padding: 15px 25px;
        max-width: 95vw;
    }
}

/* 更小屏幕 (480px以下) - 单列布局 */
@media (max-width: 480px) {
    .result-stats {
        grid-template-columns: 1fr;
        gap: 12px;
        margin-bottom: 20px;
    }
    
    .stat-item {
        padding: 12px 8px;
    }
    
    .stat-value {
        font-size: 1.3rem;
    }
    
    .stat-label {
        font-size: 0.85rem;
    }
    
    .result-message {
        padding: 12px 16px;
        margin-bottom: 20px;
    }
    
    .result-message p {
        font-size: 1rem;
        line-height: 1.3;
    }
}

/* 高对比度模式下修正感官面板的文字与背景对比 - 已移除 */
/* body.high-contrast .sensory-panel styles removed */

/* Progress Bar Shimmer Animation */
@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 999px;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
    position: relative;
    z-index: 1;
}

/* Color Mode Variants */
body.high-contrast {
    --bg-primary: #000000;
    --bg-secondary: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --button-primary: #333333;
    --button-hover: #555555;
    --border-light: #666666;
}

body.soft-colors {
    --bg-primary: #faf9f7;
    --bg-secondary: #f5f3f0;
    --text-primary: #5d4e37;
    --text-secondary: #8b7355;
    --button-primary: #d4c5b9;
    --button-hover: #c9b79c;
}

/* Animation Intensity Control */
body.low-animation * {
    animation-duration: 2s !important;
    transition-duration: 0.5s !important;
}

body.high-animation * {
    animation-duration: 0.3s !important;
    transition-duration: 0.1s !important;
}

/* Predictable Mode Indicator */
.predictable-mode-indicator {
    position: fixed;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #ECFDF5 0%, #D1FAE5 100%);
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: var(--radius-xl);
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid #A7F3D0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

/* ========================================
   游戏进度指示器 - 大型、清晰的倒计时显示
   ======================================== */
.game-progress-indicator {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-lg);
    z-index: 15;
    min-width: 280px;
}

.game-progress-bar {
    flex: 1;
    height: 10px;
    background: var(--bg-tertiary);
    border-radius: 999px;
    overflow: hidden;
    position: relative;
    min-width: 140px;
}

.game-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 999px;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
    position: relative;
}

.game-progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.4) 50%, 
        transparent 100%);
    animation: shimmer 2s infinite;
}

.game-progress-time {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.25rem;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.game-progress-time svg {
    color: var(--accent-primary);
    flex-shrink: 0;
}

.game-progress-unit {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* 进度条颜色变化 - 根据剩余时间 */
.game-progress-indicator.warning .game-progress-fill {
    background: linear-gradient(90deg, var(--accent-warning), #F97316);
}

.game-progress-indicator.danger .game-progress-fill {
    background: linear-gradient(90deg, var(--accent-danger), #DC2626);
    animation: pulse-danger 1s ease-in-out infinite;
}

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

/* 响应式调整 */
@media (max-width: 768px) {
    .game-progress-indicator {
        bottom: 10px;
        padding: 10px 16px;
        min-width: 220px;
        gap: 12px;
    }
    
    .game-progress-bar {
        min-width: 100px;
        height: 8px;
    }
    
    .game-progress-time {
        font-size: 1.1rem;
    }
    
    .game-progress-time svg {
        width: 18px;
        height: 18px;
    }
}


/* ========================================
   分段选择器 - Segmented Control
   减少认知负荷，一键切换
   ======================================== */
.settings-grid-new {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

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

.settings-label-with-icon {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

.settings-label-with-icon svg {
    color: var(--accent-primary);
    flex-shrink: 0;
}

.segmented-control {
    display: flex;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: 3px;
    gap: 2px;
}

.segmented-control .segment {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 10px 12px;
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
    min-height: 56px;
}

.segmented-control .segment svg {
    flex-shrink: 0;
    opacity: 0.7;
}

.segmented-control .segment:hover {
    background: rgba(255, 255, 255, 0.5);
    color: var(--text-primary);
}

.segmented-control .segment:hover svg {
    opacity: 1;
}

.segmented-control .segment.active {
    background: #fff;
    color: var(--accent-primary);
    box-shadow: var(--shadow-sm);
}

.segmented-control .segment.active svg {
    opacity: 1;
    color: var(--accent-primary);
}

.segmented-control .segment:focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: 1px;
}

/* 响应式调整 */
@media (max-width: 480px) {
    .segmented-control .segment {
        padding: 8px 8px;
        min-height: 48px;
    }
    
    .segmented-control .segment span {
        font-size: 0.7rem;
    }
}

/* ========================================
   Expert Mode / Unsafe Mode Visuals
   ======================================== */
.unsafe-mode-active .game-main {
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.4), 0 0 40px rgba(239, 68, 68, 0.2);
    animation: unsafePulse 2s infinite;
}

.unsafe-mode-active::after {
    content: '⚠️ UNSAFE PREVIEW - NOT FOR DEPLOYMENT';
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(239, 68, 68, 0.9);
    color: white;
    padding: 8px 16px;
    border-radius: 4px;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.05em;
    pointer-events: none;
    z-index: 2000;
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.4);
}

@keyframes unsafePulse {
    0% { box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.4), 0 0 40px rgba(239, 68, 68, 0.2); }
    50% { box-shadow: 0 0 0 6px rgba(239, 68, 68, 0.6), 0 0 60px rgba(239, 68, 68, 0.4); }
    100% { box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.4), 0 0 40px rgba(239, 68, 68, 0.2); }
}


/* Lane Label Pop Animation - 音高标签跳动效果 (Optimized for Sensory Friendly - Water Drop Style) */
.lane-label.pop {
    animation: lanePulse 0.6s ease-out;
    background: rgba(255, 255, 255, 0.95) !important;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.6), 0 0 8px currentColor !important;
    z-index: 12;
}

/* Create the ghost/ripple effect using pseudo-element */
.lane-label.pop::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid currentColor;
    opacity: 0;
    z-index: -1;
    animation: laneRipple 0.6s ease-out forwards;
}

@keyframes lanePulse {
    0% { transform: translateX(-50%) scale(1); }
    50% { transform: translateX(-50%) scale(1.1); }
    100% { transform: translateX(-50%) scale(1); }
}

@keyframes laneRipple {
    0% {
        transform: scale(1);
        opacity: 0.6;
        border-width: 2px;
    }
    100% {
        transform: scale(2.5);
        opacity: 0;
        border-width: 0px;
    }
}


/* Debug Panel Styles - 专家审计面板 */
.debug-panel {
    margin: 22px 0 10px;
    padding: 20px 24px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    text-align: left;
    max-height: 400px;
    overflow-y: auto;
}

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

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

.debug-header h3 {
    margin: 0;
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 600;
}

.debug-header-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.debug-help {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 12px 16px;
    border: 1px solid var(--border-light);
    margin-bottom: var(--space-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.debug-help ol {
    margin: 6px 0 0 18px;
    padding: 0;
}

.debug-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 10px;
    margin-bottom: 12px;
}

.overview-item {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 12px 16px;
    border: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.overview-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.overview-value {
    font-size: 0.875rem;
    color: var(--text-primary);
    font-weight: 600;
}

.debug-reason {
    margin-bottom: 10px;
    padding: 8px 10px;
    border-radius: 10px;
    background: #fff;
    border: 1px solid var(--border-light);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.debug-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
}

.debug-section {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 12px 14px;
    border: 1px solid var(--border-light);
}

.debug-section-title {
    margin: 0 0 8px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.debug-section ul {
    margin: 0;
    padding: 0 0 0 16px;
    font-size: 0.8rem;
    color: var(--text-primary);
    line-height: 1.6;
}

.debug-section li {
    margin-bottom: 4px;
}


/* Game Sidebar - 右侧实时调试面板 */
.game-sidebar {
    width: 280px;
    min-width: 280px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: width 0.3s ease, min-width 0.3s ease, opacity 0.3s ease;
}

.game-sidebar.collapsed {
    width: 48px;
    min-width: 48px;
}

.game-sidebar.collapsed .sidebar-content {
    display: none;
}

.game-sidebar.collapsed .sidebar-title,
.game-sidebar.collapsed .sidebar-header > svg:first-child {
    display: none;
}

.game-sidebar.collapsed .sidebar-header {
    padding: 12px 10px;
    justify-content: center;
}

.game-sidebar.collapsed .sidebar-toggle-btn svg {
    transform: rotate(180deg);
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-light);
    background: rgba(255, 255, 255, 0.5);
    flex-shrink: 0;
}

.sidebar-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    transition: opacity 0.2s ease;
}

.sidebar-toggle-btn {
    width: 28px;
    height: 28px;
    min-width: 28px;
    border: none;
    background: transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    margin-left: auto;
    flex-shrink: 0;
}

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

.sidebar-content {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
    transition: opacity 0.2s ease;
}

.sidebar-section {
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-light);
}

.sidebar-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.sidebar-stats {
    display: flex;
    gap: 12px;
}

.sidebar-stat {
    flex: 1;
    background: var(--bg-secondary);
    padding: 10px 12px;
    border-radius: var(--radius-md);
    text-align: center;
}

.sidebar-stat .stat-label {
    display: block;
    font-size: 0.7rem;
    color: var(--text-tertiary);
    margin-bottom: 4px;
}

.sidebar-stat .stat-value {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-primary);
}

/* Expert Mode Toggle */
.expert-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 8px 12px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.expert-toggle:hover {
    background: var(--bg-tertiary);
}

.expert-toggle input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-primary);
    cursor: pointer;
}

.expert-toggle .toggle-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* Realtime Debug Panel */
.realtime-debug {
    animation: fadeIn 0.3s ease;
}

.realtime-debug.hidden {
    display: none;
}

.debug-mini-section {
    margin-bottom: 14px;
}

.debug-mini-section h4 {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 0 0 8px;
}

.debug-mini-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.mini-stat {
    background: #fff;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-light);
}

.mini-stat .mini-label {
    display: block;
    font-size: 0.65rem;
    color: var(--text-tertiary);
    margin-bottom: 2px;
}

.mini-stat .mini-value {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Lane Bars - 实时分布 */
.rt-lane-bars {
    display: flex;
    gap: 6px;
    height: 50px;
    align-items: flex-end;
}

.lane-bar {
    flex: 1;
    min-height: 8px;
    background: var(--lane-color, #ccc);
    border-radius: 4px 4px 0 0;
    opacity: 0.3;
    transition: height 0.3s ease, opacity 0.3s ease;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 4px;
}

.lane-bar span {
    font-size: 0.65rem;
    font-weight: 600;
    color: #fff;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.lane-bar.active {
    opacity: 1;
}

/* Pattern Prediction */
.rt-pattern {
    background: #fff;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-light);
}

.rt-pattern .pattern-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.rt-pattern .pattern-type {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-primary);
}

/* Recent Clicks */
.rt-recent-clicks {
    background: #fff;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-light);
    font-size: 0.75rem;
    color: var(--text-secondary);
    /* 固定高度正好显示两行，无滚动条 */
    height: 56px;
    overflow: hidden;
    display: flex;
    flex-wrap: wrap;
    align-content: flex-start;
    gap: 4px;
}

.rt-recent-clicks .no-data {
    color: var(--text-tertiary);
    font-style: italic;
}

.rt-recent-clicks .click-item {
    display: inline-block;
    padding: 2px 6px;
    margin: 2px;
    border-radius: 4px;
    font-weight: 500;
}

/* 隐藏底部 footer（信息已移到侧边栏） */
.game-footer {
    display: none;
}

/* 调整 game-area 布局以容纳侧边栏 */
.game-area {
    display: flex;
    gap: 16px;
    flex: 1;
    min-height: 0;
    justify-content: center;
    align-items: flex-start;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 响应式：小屏幕隐藏侧边栏 */
@media (max-width: 1100px) {
    .game-sidebar {
        display: none;
    }
    
    .game-footer {
        display: block;
    }
}


/* Expert Corner Button - 结果页右上角专家模式按钮 */
.result-content {
    position: relative;
}

.expert-corner-btn {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 50%;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    opacity: 0.6;
}

.expert-corner-btn:hover {
    background: var(--accent-primary);
    color: #fff;
    opacity: 1;
    transform: scale(1.1);
}

.expert-corner-btn.active {
    background: var(--accent-primary);
    color: #fff;
    opacity: 1;
}


/* Sidebar Section Title - 统一标题样式 */
.section-title {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 0 0 10px;
    letter-spacing: -0.01em;
}

.section-title svg {
    color: var(--text-tertiary);
    flex-shrink: 0;
}

/* Sidebar Header 调整 */
.sidebar-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-light);
    background: rgba(255, 255, 255, 0.5);
}

.sidebar-header svg:first-child {
    color: var(--accent-primary);
    flex-shrink: 0;
}

.sidebar-toggle-btn {
    margin-left: auto;
}

/* Pattern 显示优化 */
.rt-pattern {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.pattern-type {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-primary);
}

.pattern-confidence {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    background: var(--bg-secondary);
    padding: 2px 6px;
    border-radius: 4px;
}

/* Click Item 优化 */
.click-item {
    color: #fff;
    font-size: 0.7rem;
    font-weight: 600;
}


/* Expert Mode Button - 结果页右上角专家模式按钮 */
.expert-mode-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border: 1px solid var(--border-light);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.8);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.expert-mode-btn:hover {
    background: rgba(255, 255, 255, 1);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.expert-mode-btn.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: #fff;
}

.expert-mode-btn svg {
    flex-shrink: 0;
}


/* Debug Section Title - 审计面板标题样式 */
.debug-section-title {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 0 0 8px;
    letter-spacing: -0.01em;
}

.debug-section-title svg {
    color: var(--text-tertiary);
    flex-shrink: 0;
}

/* Debug Header 标题样式 */
.debug-header h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.debug-header h3 svg {
    color: var(--accent-primary);
}


/* ========== Sidebar Additional Styles ========== */
.sidebar-toggle-btn svg {
    transition: transform 0.3s ease;
}

.sidebar-content {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
    transition: opacity 0.2s ease;
}

.sidebar-section {
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-light);
}

.sidebar-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

/* Mini Stats Grid */
.debug-mini-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.mini-stat {
    background: #fff;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
}

.mini-stat .mini-label {
    display: block;
    font-size: 0.7rem;
    color: var(--text-tertiary);
    margin-bottom: 4px;
}

.mini-stat .mini-value {
    display: block;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Lane Bars */
.rt-lane-bars {
    display: flex;
    gap: 6px;
    height: 50px;
    align-items: flex-end;
}

.lane-bar {
    flex: 1;
    min-height: 8px;
    background: var(--lane-color, #ccc);
    border-radius: 4px 4px 0 0;
    opacity: 0.3;
    transition: height 0.3s ease, opacity 0.3s ease;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 4px;
}

.lane-bar span {
    font-size: 0.65rem;
    font-weight: 600;
    color: #fff;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.lane-bar.active {
    opacity: 1;
}

/* Pattern Display */
.rt-pattern {
    background: #fff;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.pattern-type {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-primary);
}

.pattern-confidence {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    background: var(--bg-secondary);
    padding: 2px 6px;
    border-radius: 4px;
}

.pattern-label {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

/* Recent Clicks - 两行，每行7个 */
.rt-recent-clicks {
    --recent-item-h: 22px;
    --recent-gap: 4px;
    background: #fff;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    display: flex;
    flex-wrap: wrap;
    gap: var(--recent-gap);
    align-content: flex-start;
    height: calc(2 * var(--recent-item-h) + var(--recent-gap) + 2 * 10px);
    max-height: none;
    overflow: hidden;
}

.rt-recent-clicks .no-data {
    color: var(--text-tertiary);
    font-size: 0.8rem;
    font-style: italic;
}

.rt-recent-clicks .click-item {
    width: 28px;
    height: var(--recent-item-h);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    font-size: 0.65rem;
    font-weight: 600;
    color: #fff;
}

/* 响应式：小屏幕隐藏侧边栏 */
@media (max-width: 1100px) {
    .game-sidebar {
        display: none;
    }
}


/* ========== Expert Debug Panel - 专家调试面板 ========== */
.expert-debug-panel {
    margin-top: 24px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    border-radius: var(--radius-lg);
    padding: 20px;
    color: #fff;
    text-align: left;
}

.expert-debug-panel.hidden {
    display: none;
}

.expert-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.expert-panel-header h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
}

.expert-panel-header h3 svg {
    color: var(--accent-primary);
}

.panel-close-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.panel-close-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
}

.expert-section {
    margin-bottom: 20px;
}

.expert-section:last-child {
    margin-bottom: 0;
}

.expert-section-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0 0 12px;
}

/* Panic Reset Button */
.panic-reset-btn {
    width: 100%;
    padding: 14px 20px;
    border: none;
    border-radius: var(--radius-md);
    background: #ef4444;
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.panic-reset-btn:hover {
    background: #dc2626;
    transform: translateY(-1px);
}

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

/* Toggle Items */
.expert-toggle-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    cursor: pointer;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

.expert-toggle-item input[type="checkbox"] {
    display: none;
}

.toggle-switch {
    width: 40px;
    height: 22px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 11px;
    position: relative;
    transition: background 0.2s ease;
    flex-shrink: 0;
}

.toggle-switch::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 16px;
    height: 16px;
    background: #fff;
    border-radius: 50%;
    transition: transform 0.2s ease;
}

.expert-toggle-item input:checked + .toggle-switch {
    background: var(--accent-primary);
}

.expert-toggle-item input:checked + .toggle-switch::after {
    transform: translateX(18px);
}

/* Tempo Control */
.tempo-control {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    padding: 16px;
}

.tempo-value {
    font-size: 3rem;
    font-weight: 700;
    color: #fff;
    margin: 8px 0 16px;
}

.tempo-slider-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.tempo-min, .tempo-max {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
    min-width: 24px;
}

.tempo-slider {
    flex: 1;
    height: 6px;
    -webkit-appearance: none;
    appearance: none;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
    outline: none;
}

.tempo-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: #00bcd4;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 188, 212, 0.4);
}

.tempo-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: #00bcd4;
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

.tempo-markers {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.tempo-markers .marker {
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

.tempo-markers .marker.safe {
    color: #10b981;
}

.tempo-markers .marker.limit {
    color: #f59e0b;
}

/* Param Rows */
.param-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
}

.param-label {
    min-width: 40px;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
}

.param-slider {
    flex: 1;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    outline: none;
}

.param-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    background: var(--accent-primary);
    border-radius: 50%;
    cursor: pointer;
}

.param-slider::-moz-range-thumb {
    width: 14px;
    height: 14px;
    background: var(--accent-primary);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

.param-value {
    min-width: 45px;
    text-align: right;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

/* Status Rows */
.status-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.status-row:last-child {
    border-bottom: none;
}

.status-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
}

.status-value {
    font-size: 0.9rem;
    font-weight: 600;
    color: #fff;
}


/* ========== Expert Debug Panel V2 - 专家调试面板 ========== */
.expert-debug-panel {
    margin-top: 24px;
    background: linear-gradient(135deg, #1e1e2e 0%, #2d2d44 100%);
    border-radius: 16px;
    padding: 24px;
    color: #fff;
    text-align: left;
    max-width: 100%;
    box-sizing: border-box;
}

.expert-debug-panel.hidden {
    display: none !important;
}

/* Header */
.expert-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.expert-panel-header h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
}

.expert-panel-header h3 svg {
    color: #a78bfa;
}

.panel-close-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.panel-close-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
}

/* Sections */
.expert-section {
    margin-bottom: 28px;
}

.expert-section:last-child {
    margin-bottom: 0;
}

.expert-section-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin: 0 0 16px 0;
}

/* Panic Reset Button */
.panic-reset-btn {
    width: 100%;
    padding: 16px 24px;
    border: none;
    border-radius: 12px;
    background: #ef4444;
    color: #fff;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.2s ease;
    box-sizing: border-box;
}

.panic-reset-btn:hover {
    background: #dc2626;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
}

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

/* Toggle Items */
.expert-toggle-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 0;
    cursor: pointer;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.85);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.expert-toggle-item:last-child {
    border-bottom: none;
}

.expert-toggle-item input[type="checkbox"] {
    display: none;
}

.toggle-switch {
    width: 44px;
    height: 24px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    position: relative;
    transition: background 0.2s ease;
    flex-shrink: 0;
}

.toggle-switch::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 18px;
    height: 18px;
    background: #fff;
    border-radius: 50%;
    transition: transform 0.2s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.expert-toggle-item input:checked + .toggle-switch {
    background: #a78bfa;
}

.expert-toggle-item input:checked + .toggle-switch::after {
    transform: translateX(20px);
}

/* Tempo Control */
.tempo-control {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 20px;
}

.tempo-control .expert-section-title {
    margin-bottom: 8px;
}

.tempo-value {
    font-size: 3.5rem;
    font-weight: 700;
    color: #fff;
    line-height: 1;
    margin: 12px 0 20px;
}

.tempo-slider-container {
    display: flex;
    align-items: center;
    gap: 14px;
}

.tempo-min, .tempo-max {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
    min-width: 28px;
    flex-shrink: 0;
}

.tempo-slider {
    flex: 1;
    height: 8px;
    -webkit-appearance: none;
    appearance: none;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 4px;
    outline: none;
}

.tempo-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    background: #22d3ee;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(34, 211, 238, 0.5);
}

.tempo-slider::-moz-range-thumb {
    width: 22px;
    height: 22px;
    background: #22d3ee;
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

.tempo-markers {
    display: flex;
    gap: 10px;
    margin-top: 16px;
}

.tempo-markers .marker {
    font-size: 0.8rem;
    padding: 4px 12px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.5);
}

.tempo-markers .marker.safe {
    color: #10b981;
    background: rgba(16, 185, 129, 0.15);
}

.tempo-markers .marker.limit {
    color: #f59e0b;
    background: rgba(245, 158, 11, 0.15);
}

/* Param Rows */
.param-row {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.param-row:last-child {
    border-bottom: none;
}

.param-label {
    min-width: 50px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    flex-shrink: 0;
}

.param-slider {
    flex: 1;
    height: 6px;
    -webkit-appearance: none;
    appearance: none;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 3px;
    outline: none;
}

.param-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: #a78bfa;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(167, 139, 250, 0.4);
}

.param-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: #a78bfa;
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

.param-value {
    min-width: 50px;
    text-align: right;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
    flex-shrink: 0;
}

/* Status Rows */
.status-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.status-row:last-child {
    border-bottom: none;
}

.status-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

.status-value {
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
}


/* ========== Report Panel - 游戏报告面板 ========== */
.report-panel {
    margin-top: 24px;
    background: #f8fafc !important;
    border-radius: 16px;
    padding: 20px;
    border: 1px solid #e2e8f0;
    color: #1f2937 !important;
    position: relative;
    z-index: 1;
}

.report-panel.hidden {
    display: none !important;
}

.report-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid #e2e8f0;
}

.report-panel-header h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    font-weight: 600;
    color: #1f2937;
    margin: 0;
}

.report-close-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    color: #6b7280;
    transition: all 0.15s ease;
}

.report-close-btn:hover {
    background: #e5e7eb;
    color: #1f2937;
}

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

.report-section:last-child {
    margin-bottom: 0;
}

.report-section-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 10px;
}

.report-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.report-item {
    background: #fff;
    border-radius: 12px;
    padding: 12px;
    border: 1px solid #e2e8f0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.report-label {
    font-size: 0.75rem;
    color: #9ca3af;
}

.report-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: #6366f1;
    font-variant-numeric: tabular-nums;
}

.report-pattern {
    background: #fff;
    border-radius: 12px;
    padding: 14px;
    border: 1px solid #e2e8f0;
}

.pattern-type {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.pattern-icon {
    font-size: 1.5rem;
}

.pattern-name {
    font-size: 1rem;
    font-weight: 600;
    color: #1f2937;
}

.pattern-desc {
    font-size: 0.875rem;
    color: #6b7280;
    margin: 0;
    line-height: 1.4;
}

.report-panel .report-lane-chart {
    background: #fff;
    border-radius: 12px;
    padding: 12px;
    border: 1px solid #e2e8f0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.report-panel .lane-bar-item {
    display: flex;
    align-items: center;
    gap: 8px;
    height: 24px;
}

.report-panel .lane-bar-item .lane-name {
    width: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    color: #6b7280;
}

.report-panel .lane-bar-bg {
    flex: 1;
    height: 16px;
    background: #e5e7eb;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
}

.report-panel .lane-bar-fill {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    border-radius: 8px;
    transition: width 0.3s ease;
    max-width: 100%;
}

.lane-bar-item .lane-count {
    width: 24px;
    font-size: 0.75rem;
    font-weight: 600;
    color: #1f2937;
    text-align: right;
}


/* ========== Timeline Scatter Plot - 时间轴散点图 ========== */
.timeline-scatter {
    background: #fff;
    border-radius: 12px;
    padding: 16px;
    border: 1px solid #e2e8f0;
    margin-bottom: 12px;
}

.scatter-row {
    display: flex;
    align-items: center;
    height: 24px;
    margin-bottom: 4px;
}

.scatter-row:last-child {
    margin-bottom: 0;
}

.scatter-label {
    width: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    color: #9ca3af;
}

.scatter-track {
    flex: 1;
    height: 20px;
    position: relative;
    background: rgba(0, 0, 0, 0.02);
    border-radius: 4px;
}

.scatter-dot {
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.7;
    transition: transform 0.15s ease;
}

.scatter-dot.highlight {
    width: 14px;
    height: 14px;
    opacity: 1;
    border: 2px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 0 4px rgba(0, 0, 0, 0.2);
}


/* ========== Pattern Scores - 模式得分比例 ========== */
.pattern-scores {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px dashed #e2e8f0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.score-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.score-label {
    width: 80px;
    font-size: 0.75rem;
    color: #6b7280;
    flex-shrink: 0;
}

.score-bar-bg {
    flex: 1;
    height: 8px;
    background: #e5e7eb;
    border-radius: 4px;
    overflow: hidden;
}

.score-bar-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.3s ease;
}

.score-bar-fill.seq {
    background: linear-gradient(90deg, #6366f1, #8b5cf6);
}

.score-bar-fill.rep {
    background: linear-gradient(90deg, #f59e0b, #f97316);
}

.score-bar-fill.exp {
    background: linear-gradient(90deg, #10b981, #14b8a6);
}

.score-value {
    width: 36px;
    font-size: 0.75rem;
    font-weight: 600;
    color: #1f2937;
    text-align: right;
}


/* ========== Info Icon with Tooltip ========== */
.info-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 14px;
    font-size: 10px;
    color: #9ca3af;
    cursor: help;
    position: relative;
    margin-left: 4px;
    vertical-align: middle;
}

.info-icon:hover {
    color: #6366f1;
}

.info-icon:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    left: 50%;
    bottom: calc(100% + 8px);
    transform: translateX(-50%);
    background: #1f2937;
    color: #fff;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.7rem;
    font-weight: 400;
    white-space: pre-line;
    line-height: 1.4;
    min-width: 180px;
    max-width: 240px;
    z-index: 100;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    pointer-events: none;
}

.info-icon:hover::before {
    content: '';
    position: absolute;
    left: 50%;
    bottom: calc(100% + 2px);
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: #1f2937;
    z-index: 100;
}

.bubble-tooltip-trigger {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: help;
}

.bubble-tooltip {
    position: relative;
    display: inline-block;
}

.bubble-tooltip .bubble-tooltip-content {
    position: absolute;
    top: 50%;
    left: calc(100% + 10px);
    transform: translateY(-50%);
    background: #1f2937;
    color: #fff;
    padding: 12px 14px;
    border-radius: 10px;
    font-size: 0.8rem;
    line-height: 1.5;
    min-width: 220px;
    max-width: 320px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.25);
    display: none;
    z-index: 1200;
}

.bubble-tooltip-right .bubble-tooltip-content {
    left: auto;
    right: calc(100% + 10px);
    transform: translateY(-50%);
}

.bubble-tooltip .bubble-tooltip-content::after {
    content: '';
    position: absolute;
    left: -8px;
    top: 50%;
    transform: translateY(-50%);
    border: 8px solid transparent;
    border-right-color: #1f2937;
}

.bubble-tooltip-right .bubble-tooltip-content::after {
    left: auto;
    right: -8px;
    border-right-color: transparent;
    border-left-color: #1f2937;
}

.bubble-tooltip-trigger:hover .bubble-tooltip .bubble-tooltip-content,
.bubble-tooltip-trigger:focus-within .bubble-tooltip .bubble-tooltip-content {
    display: block;
}

.tooltip-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 6px 0;
    border-bottom: 1px dashed rgba(255,255,255,0.12);
}

.tooltip-row:last-child {
    border-bottom: none;
}

.tooltip-label {
    color: rgba(255,255,255,0.8);
    font-weight: 600;
    font-size: 0.8rem;
}

.tooltip-threshold {
    color: #e5e7eb;
    font-weight: 500;
    font-size: 0.8rem;
    text-align: right;
}


/* ========== 音乐参数调整 - Report Panel 内嵌 ========== */
.music-params-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.music-params-grid .param-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.music-params-grid .param-item label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.param-safe-range {
    font-size: 0.7rem;
    font-weight: 400;
    color: var(--text-tertiary);
}

.music-params-grid .param-control {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* 安全区间滑动条样式 */
.safe-range-slider {
    flex: 1;
    height: 8px;
    border-radius: 4px;
    appearance: none;
    cursor: pointer;
    position: relative;
}

/* 滑动条背景 - 使用渐变显示安全/非安全区域 */
.safe-range-slider {
    background: linear-gradient(to right, 
        #FFECD2 0%, 
        #FFECD2 var(--safe-start, 25%), 
        #E8F5E9 var(--safe-start, 25%), 
        #E8F5E9 var(--safe-end, 50%), 
        #FFECD2 var(--safe-end, 50%), 
        #FFECD2 100%
    );
}

.safe-range-slider::-webkit-slider-thumb {
    appearance: none;
    width: 18px;
    height: 18px;
    background: var(--accent-primary);
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.1s, box-shadow 0.2s;
    box-shadow: 0 2px 6px rgba(99, 102, 241, 0.3);
}

.safe-range-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
    box-shadow: 0 3px 10px rgba(99, 102, 241, 0.4);
}

/* 超出安全区间时的滑块颜色 */
.safe-range-slider.out-of-range::-webkit-slider-thumb {
    background: #F59E0B;
    box-shadow: 0 2px 6px rgba(245, 158, 11, 0.4);
}

.music-params-grid .param-value {
    min-width: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-primary);
    text-align: right;
}

.param-value.out-of-range {
    color: #F59E0B;
}

/* 片段选择器 */
.segment-selector {
    margin-top: 12px;
    padding: 12px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    background: #fff;
}
.segment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
}
.segment-tip {
    font-size: 12px;
    color: var(--text-secondary);
}
.segment-canvas-wrapper {
    position: relative;
}
#segment-canvas {
    width: 100%;
    height: 120px;
    background: #fafbfc;
    border-radius: var(--radius-sm);
    display: block;
}
.segment-sliders-overlay {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 40px;
    z-index: 10;
}
#segment-start-slider,
#segment-end-slider {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 36px;
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
    pointer-events: none;
    z-index: 2;
}

#segment-start-slider::-webkit-slider-thumb,
#segment-end-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent-primary);
    border: 2px solid #fff;
    box-shadow: 0 2px 6px rgba(99,102,241,0.25);
    cursor: ew-resize;
    pointer-events: auto;
}

#segment-start-slider::-moz-range-thumb,
#segment-end-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent-primary);
    border: 2px solid #fff;
    box-shadow: 0 2px 6px rgba(99,102,241,0.25);
    cursor: ew-resize;
    pointer-events: auto;
    border: none;
}

#segment-start-slider::-moz-range-thumb,
#segment-end-slider::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent-primary);
    border: 2px solid #fff;
    box-shadow: 0 2px 6px rgba(99,102,241,0.25);
    cursor: pointer;
}
/* 警告消息 */
.param-warning-msg {
    font-size: 0.75rem;
    color: #D97706;
    background: #FEF3C7;
    padding: 6px 10px;
    border-radius: 6px;
    border: 1px solid #FCD34D;
    margin-top: 4px;
}

.param-warning-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    color: #D97706;
    background: #FEF3C7;
    padding: 4px 8px;
    border-radius: 6px;
    border: 1px solid #FCD34D;
}

/* 和声选项按钮 */
.harmony-options {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.harmony-btn {
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid var(--border-light);
}

.harmony-btn.safe {
    background: #fff;
    color: var(--text-primary);
    border-color: var(--border-light);
}

.harmony-btn.safe:hover {
    background: #C8E6C9;
}

.harmony-btn.safe.active {
    background: #4CAF50;
    color: white;
    border-color: #4CAF50;
}

.harmony-btn.unsafe {
    background: #FFF8E1;
    color: #F57C00;
    border-color: #FFCC80;
}

.harmony-btn.unsafe:hover {
    background: #FFECB3;
}

.harmony-btn.unsafe.active {
    background: #FF9800;
    color: white;
    border-color: #FF9800;
}

/* 模式切换按钮 */
.param-mode-toggle {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
    background: var(--bg-tertiary);
    padding: 4px;
    border-radius: 8px;
}

.mode-btn {
    flex: 1;
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    background: transparent;
    color: var(--text-secondary);
}

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

.mode-btn.active {
    background: white;
    color: var(--accent-primary);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* 操作按钮 */
.param-actions {
    display: flex;
    gap: 10px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-light);
}

.param-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}

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

.param-btn.secondary:hover {
    background: var(--bg-tertiary);
}

.param-btn.primary {
    background: var(--accent-primary);
    color: white;
}

.param-btn.primary:hover {
    background: var(--button-primary-hover);
}

/* 收敛提交区域 */
.converge-submit-area {
    margin-top: 16px;
    padding: 16px;
    background: linear-gradient(135deg, #EEF2FF 0%, #E0E7FF 100%);
    border-radius: 10px;
    border: 1px solid #C7D2FE;
}

.converge-summary h5 {
    margin: 0 0 12px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.converge-params {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 12px;
}

.converge-params span {
    font-size: 0.8rem;
    color: var(--text-secondary);
    background: white;
    padding: 4px 10px;
    border-radius: 4px;
}

.converge-params strong {
    color: var(--accent-primary);
}

.submit-note {
    margin: 8px 0 0;
    font-size: 0.7rem;
    color: var(--text-tertiary);
    text-align: center;
}


/* 隐藏 expert-drawer（已整合到报告面板） */
#expert-drawer,
.expert-drawer {
    display: none !important;
}