/* ==========================================
   1. 核心设计系统与色彩变量
   ========================================== */
:root {
    /* 深色主题变量 (默认) */
    --bg-gradient: radial-gradient(circle at 0% 0%, #0b0f19 0%, #030712 100%);
    --card-bg: rgba(15, 23, 42, 0.45);
    --card-border: rgba(255, 255, 255, 0.07);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-color: linear-gradient(135deg, #6366f1, #a855f7);
    --accent-solid: #6366f1;
    --accent-solid-hover: #4f46e5;
    --accent-glow: rgba(99, 102, 241, 0.3);
    --hover-bg: rgba(255, 255, 255, 0.05);
    --active-day-bg: rgba(99, 102, 241, 0.2);
    --today-bg: linear-gradient(135deg, rgba(99, 102, 241, 0.35), rgba(168, 85, 247, 0.35));
    --input-bg: rgba(15, 23, 42, 0.6);
    --scrollbar-thumb: rgba(255, 255, 255, 0.1);
    --shadow-premium: 0 20px 50px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.08);

    --glass-blur: blur(25px);
}

body.light-mode {
    /* 浅色主题变量 */
    --bg-gradient: radial-gradient(circle at 0% 0%, #f8fafc 0%, #e2e8f0 100%);
    --card-bg: rgba(255, 255, 255, 0.45);
    --card-border: rgba(0, 0, 0, 0.07);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --accent-color: linear-gradient(135deg, #4f46e5, #7c3aed);
    --accent-solid: #4f46e5;
    --accent-solid-hover: #4338ca;
    --accent-glow: rgba(79, 70, 229, 0.15);
    --hover-bg: rgba(0, 0, 0, 0.04);
    --active-day-bg: rgba(79, 70, 229, 0.12);
    --today-bg: linear-gradient(135deg, rgba(79, 70, 229, 0.22), rgba(124, 58, 237, 0.22));
    --input-bg: rgba(255, 255, 255, 0.7);
    --scrollbar-thumb: rgba(0, 0, 0, 0.15);
    --shadow-premium: 0 20px 50px rgba(15, 23, 42, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

/* ==========================================
   2. 基础页面排版与自适应滚动
   ========================================== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    user-select: none;
}

body {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--text-primary);
    overflow-x: hidden;
    position: relative;
    padding: 20px;
    transition: color 0.5s ease;
}

/* 统一过渡动效 */
body, .glass-card, button, input, textarea, span, p, div {
    transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
}

/* ==========================================
   3. 动态流体渐变背景 (Blobs Animation)
   ========================================== */
.background-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    overflow: hidden;
    background: var(--bg-gradient);
    transition: background 0.5s ease;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.38;
    animation: float 25s infinite alternate ease-in-out;
    pointer-events: none;
}

.blob-1 {
    width: 550px;
    height: 550px;
    background: rgba(99, 102, 241, 0.45); /* Indigo */
    top: -10%;
    left: -10%;
    animation-duration: 25s;
}

body.light-mode .blob-1 {
    background: rgba(129, 140, 248, 0.3);
}

.blob-2 {
    width: 650px;
    height: 650px;
    background: rgba(168, 85, 247, 0.35); /* Purple */
    bottom: -15%;
    right: -10%;
    animation-duration: 32s;
}

body.light-mode .blob-2 {
    background: rgba(192, 132, 252, 0.25);
}

.blob-3 {
    width: 450px;
    height: 450px;
    background: rgba(20, 184, 166, 0.28); /* Teal */
    top: 40%;
    left: 45%;
    animation-duration: 20s;
}

body.light-mode .blob-3 {
    background: rgba(45, 212, 191, 0.2);
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(80px, -50px) scale(1.15); }
    100% { transform: translate(-40px, 60px) scale(0.9); }
}

/* ==========================================
   4. 主卡片玻璃拟态容器
   ========================================== */
.dashboard-container {
    width: 100%;
    max-width: 960px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    z-index: 1;
    animation: fadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 顶部导航区 */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 10px;
}

.brand-title {
    font-family: 'Outfit', sans-serif;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 1px;
    background: var(--accent-color);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: 8px;
}

.brand-title svg {
    width: 24px;
    height: 24px;
    fill: var(--accent-solid);
}

/* 主体双栏网格 */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1.25fr;
    gap: 24px;
}

@media (max-width: 820px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

/* 玻璃卡片基类 */
.glass-card {
    background: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 30px;
    box-shadow: var(--shadow-premium);
}

/* ==========================================
   5. 左栏组件：时间、天气
   ========================================== */
.info-panel {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 24px;
}

/* 实时时钟 */
.clock-widget {
    display: flex;
    flex-direction: column;
}

.live-clock {
    font-family: 'Outfit', sans-serif;
    font-size: 56px;
    font-weight: 600;
    line-height: 1;
    letter-spacing: -1px;
    color: var(--text-primary);
    text-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.time-greeting {
    font-size: 15px;
    color: var(--text-secondary);
    margin-top: 10px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
}

.full-date {
    font-family: 'Outfit', sans-serif;
    font-size: 18px;
    font-weight: 500;
    color: var(--text-muted);
    margin-top: 5px;
}

/* 天气组件 */
.weather-widget {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--card-border);
    border-radius: 18px;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

body.light-mode .weather-widget {
    background: rgba(0, 0, 0, 0.02);
}

.weather-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    z-index: 1;
}

.weather-location {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

.weather-location:hover {
    color: var(--accent-solid);
}

.weather-location svg {
    width: 14px;
    height: 14px;
    fill: currentColor;
}

.weather-temp-text {
    font-size: 22px;
    font-weight: 700;
    font-family: 'Outfit', sans-serif;
    color: var(--text-primary);
}

.weather-desc {
    font-size: 13px;
    color: var(--text-secondary);
}

.weather-visual {
    width: 70px;
    height: 70px;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* 城市搜索浮层 */
.city-search-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    padding: 0 16px;
    gap: 8px;
    transform: translateY(101%);
    transition: transform 0.38s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 2;
}

.city-search-overlay.active {
    transform: translateY(0);
}

.city-input {
    flex: 1;
    background: var(--input-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 8px 12px;
    color: var(--text-primary);
    font-size: 13px;
    outline: none;
}

.city-btn {
    background: var(--accent-color);
    color: #fff;
    border: none;
    padding: 8px 14px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
}

.city-btn:hover {
    opacity: 0.9;
}

.city-close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
}

/* ==========================================
   6. 右栏组件：互动月历与备忘录
   ========================================== */
.calendar-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* 日历控制头 */
.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.calendar-title {
    font-family: 'Outfit', sans-serif;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.calendar-nav {
    display: flex;
    gap: 8px;
}

.nav-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    width: 34px;
    height: 34px;
    border-radius: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-primary);
    cursor: pointer;
}

body.light-mode .nav-btn {
    background: rgba(0, 0, 0, 0.03);
}

.nav-btn:hover {
    background: var(--hover-bg);
    color: var(--accent-solid);
    transform: scale(1.05);
}

.nav-btn svg {
    width: 14px;
    height: 14px;
    fill: currentColor;
}

/* 星期表头 */
.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 8px;
}

/* 日期网格 */
.calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 6px;
    text-align: center;
}

.day-cell {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-family: 'Outfit', sans-serif;
    font-size: 15px;
    font-weight: 500;
    border-radius: 12px;
    cursor: pointer;
    position: relative;
}

.day-cell:hover:not(.empty) {
    background: var(--hover-bg);
    transform: translateY(-1px);
}

.day-cell.empty {
    cursor: default;
}

.day-cell.today {
    background: var(--today-bg);
    font-weight: 700;
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.15);
    color: var(--text-primary);
}

.day-cell.selected {
    background: var(--active-day-bg);
    border: 1.5px solid var(--accent-solid);
    box-shadow: 0 0 12px var(--accent-glow);
    font-weight: 600;
}

/* 便签提示小圆点 */
.memo-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--accent-solid);
    position: absolute;
    bottom: 6px;
    box-shadow: 0 0 4px var(--accent-glow);
}

/* ==========================================
   7. 备忘便签编辑区
   ========================================== */
.memo-widget {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--card-border);
    border-radius: 18px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

body.light-mode .memo-widget {
    background: rgba(0, 0, 0, 0.02);
}

.memo-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.memo-date-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.memo-textarea {
    width: 100%;
    height: 70px;
    background: var(--input-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 12px;
    color: var(--text-primary);
    font-size: 13px;
    resize: none;
    outline: none;
    font-family: inherit;
    line-height: 1.6;
}

.memo-textarea::placeholder {
    color: var(--text-muted);
}

.memo-footer {
    display: flex;
    justify-content: flex-end;
}

.save-memo-btn {
    background: var(--accent-color);
    color: #fff;
    border: none;
    padding: 8px 20px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 12px var(--accent-glow);
    display: flex;
    align-items: center;
    gap: 6px;
}

.save-memo-btn:hover {
    transform: translateY(-1px);
    opacity: 0.95;
}

.save-memo-btn:active {
    transform: translateY(1px);
}

/* ==========================================
   8. 底部心灵金句卡片
   ========================================== */
.footer-quote-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    padding: 24px 30px;
}

.quote-content-wrapper {
    flex: 1;
}

.quote-text {
    font-family: 'Noto Serif SC', 'Playfair Display', serif;
    font-size: 16px;
    font-weight: 500;
    line-height: 1.8;
    color: var(--text-primary);
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

/* 金句切换动画类 */
.quote-text.transitioning {
    opacity: 0;
    transform: translateY(6px);
}

.refresh-quote-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-secondary);
    cursor: pointer;
    flex-shrink: 0;
}

body.light-mode .refresh-quote-btn {
    background: rgba(0, 0, 0, 0.03);
}

.refresh-quote-btn:hover {
    color: var(--accent-solid);
    background: var(--hover-bg);
    transform: scale(1.05);
}

.refresh-quote-btn svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
    transition: transform 0.6s ease;
}

/* 旋转动画 */
.refresh-quote-btn.spinning svg {
    transform: rotate(360deg);
}

/* ==========================================
   9. 主题切换器设计
   ========================================== */
.theme-switch-btn {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    color: var(--text-primary);
    box-shadow: var(--shadow-premium);
}

.theme-switch-btn:hover {
    background: var(--hover-bg);
    transform: scale(1.05);
}

.theme-switch-btn svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

/* 暗黑/明亮图标切换显示 */
.sun-icon { display: none; }
.moon-icon { display: block; }

body.light-mode .sun-icon { display: block; }
body.light-mode .moon-icon { display: none; }

/* ==========================================
   10. SVG 天气图标动画
   ========================================== */
.weather-svg {
    width: 60px;
    height: 60px;
}

/* 晴天 */
.sun-rays {
    transform-origin: 32px 32px;
    animation: spin 30s linear infinite;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 雨天 */
.rain-drop {
    animation: fall 1.6s infinite linear;
}
@keyframes fall {
    0% { transform: translateY(0); opacity: 0; }
    45% { opacity: 1; }
    100% { transform: translateY(12px); opacity: 0; }
}
.drop-1 { animation-delay: 0s; }
.drop-2 { animation-delay: 0.5s; }
.drop-3 { animation-delay: 1s; }

/* 雪天 */
.snowflake {
    animation: drift 2.4s infinite linear;
}
@keyframes drift {
    0% { transform: translateY(0) translateX(0); opacity: 0; }
    40% { opacity: 1; }
    100% { transform: translateY(10px) translateX(3px); opacity: 0; }
}
.snow-1 { animation-delay: 0s; }
.snow-2 { animation-delay: 0.8s; }
.snow-3 { animation-delay: 1.6s; }

/* 闪烁感应器（加载中） */
.sensor-pulse {
    transform-origin: 32px 32px;
    animation: pulse 2s infinite ease-in-out;
}
@keyframes pulse {
    0% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.1); opacity: 0.8; }
    100% { transform: scale(1); opacity: 0.3; }
}

/* ==========================================
   12. 效率工具箱 (计算器 & 计时器) 样式
   ========================================== */
.tools-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

@media (max-width: 820px) {
    .tools-grid {
        grid-template-columns: 1fr;
    }
}

.tool-card {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 24px;
    min-height: 410px;
}

.tool-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.tool-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
}

/* 科学计算器样式 */
.calc-screen {
    background: var(--input-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 14px 18px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
    height: 76px;
    font-family: 'Outfit', sans-serif;
    overflow: hidden;
    box-shadow: inset 0 2px 8px rgba(0,0,0,0.15);
}

body.light-mode .calc-screen {
    box-shadow: inset 0 2px 8px rgba(0,0,0,0.03);
}

.calc-formula {
    font-size: 13px;
    color: var(--text-muted);
    min-height: 16px;
    letter-spacing: 0.5px;
    width: 100%;
    text-align: right;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.calc-result {
    font-size: 26px;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 2px;
    line-height: 1.1;
    width: 100%;
    text-align: right;
    white-space: nowrap;
    overflow: hidden;
}

.calc-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    flex: 1;
}

.calc-btn {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    aspect-ratio: 1.45;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    font-family: 'Outfit', sans-serif;
}

body.light-mode .calc-btn {
    background: rgba(0, 0, 0, 0.03);
}

.calc-btn:hover {
    background: var(--hover-bg);
    transform: scale(1.03);
}

.calc-btn:active {
    transform: scale(0.96);
    background: rgba(255, 255, 255, 0.1);
}

body.light-mode .calc-btn:active {
    background: rgba(0, 0, 0, 0.08);
}

/* 科学运算按钮 */
.sci-btn {
    font-size: 12px;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.02);
    font-family: 'Inter', sans-serif;
}

body.light-mode .sci-btn {
    background: rgba(0, 0, 0, 0.015);
}

/* 运算符按钮 */
.op-btn {
    color: var(--accent-solid);
    font-weight: 600;
}

.equal-btn {
    background: var(--accent-color);
    color: #ffffff;
    font-weight: 600;
    box-shadow: 0 4px 12px var(--accent-glow);
    border: none;
}

.equal-btn:hover {
    opacity: 0.95;
    box-shadow: 0 4px 16px var(--accent-glow);
}

/* 计时器样式 */
.timer-tabs {
    display: flex;
    background: var(--input-bg);
    padding: 4px;
    border-radius: 12px;
    border: 1px solid var(--card-border);
}

.timer-tab-btn {
    flex: 1;
    background: none;
    border: none;
    border-radius: 8px;
    padding: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.25s ease;
}

.timer-tab-btn.active {
    background: var(--card-bg);
    color: var(--text-primary);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.timer-panel {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    gap: 16px;
}

.timer-panel.active {
    display: flex;
}

/* 番茄钟环形进度条 */
.pomodoro-circle-wrapper {
    position: relative;
    width: 150px;
    height: 150px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.pomodoro-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.p-track {
    fill: none;
    stroke: rgba(255, 255, 255, 0.04);
    stroke-width: 4.5;
}

body.light-mode .p-track {
    stroke: rgba(0, 0, 0, 0.03);
}

.p-progress {
    fill: none;
    stroke: var(--accent-solid);
    stroke-width: 4.5;
    stroke-linecap: round;
    stroke-dasharray: 326.7;
    stroke-dashoffset: 0;
    transition: stroke-dashoffset 0.35s linear;
}

.pomodoro-time-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 1;
    pointer-events: none;
}

#p-time {
    font-family: 'Outfit', sans-serif;
    font-size: 30px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.1;
}

.pomodoro-state-label {
    font-family: 'Outfit', sans-serif;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    margin-top: 3px;
}

/* 计时器通用控制按钮 */
.timer-controls {
    display: flex;
    gap: 12px;
    justify-content: center;
    align-items: center;
}

.timer-control-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

body.light-mode .timer-control-btn {
    background: rgba(0, 0, 0, 0.03);
}

.timer-control-btn:hover {
    background: var(--hover-bg);
    color: var(--accent-solid);
    transform: scale(1.06);
}

.timer-control-btn:active {
    transform: scale(0.95);
}

.timer-control-btn svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

/* 滑杆设置 */
.p-settings {
    width: 100%;
    max-width: 200px;
}

.p-setting-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
}

.p-setting-item input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 5px;
    border-radius: 5px;
    background: var(--input-bg);
    outline: none;
    border: 1px solid var(--card-border);
}

.p-setting-item input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background: var(--accent-solid);
    cursor: pointer;
    box-shadow: 0 0 6px var(--accent-glow);
    transition: transform 0.1s ease;
}

.p-setting-item input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* 秒表独占样式 */
.stopwatch-display {
    font-family: 'Outfit', sans-serif;
    font-size: 38px;
    font-weight: 500;
    color: var(--text-primary);
    min-height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sw-laps-wrapper {
    width: 100%;
    height: 100px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 8px 12px;
    overflow-y: auto;
}

body.light-mode .sw-laps-wrapper {
    background: rgba(0, 0, 0, 0.015);
}

/* 自定义微型滚动条 */
.sw-laps-wrapper::-webkit-scrollbar {
    width: 4px;
}

.sw-laps-wrapper::-webkit-scrollbar-track {
    background: none;
}

.sw-laps-wrapper::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 10px;
}

.sw-laps-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.sw-lap-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--text-secondary);
    font-family: 'Outfit', sans-serif;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.04);
    padding-bottom: 4px;
}

body.light-mode .sw-lap-item {
    border-bottom-color: rgba(0, 0, 0, 0.04);
}

.sw-lap-item span.lap-index {
    color: var(--text-muted);
    font-weight: 600;
}

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

/* ==========================================
   13. 访问分析组件样式
   ========================================== */
.visit-analytics-widget {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--card-border);
    border-radius: 18px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: auto; /* 自动推到最底部 */
}

body.light-mode .visit-analytics-widget {
    background: rgba(0, 0, 0, 0.02);
}

.analytics-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.analytics-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.analytics-count {
    font-family: 'Outfit', sans-serif;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--hover-bg);
    padding: 2px 8px;
    border-radius: 10px;
    border: 1px solid var(--card-border);
}

.analytics-today {
    font-size: 13px;
    color: var(--text-secondary);
}

.analytics-today span.accent-text {
    font-family: 'Outfit', sans-serif;
    font-size: 18px;
    font-weight: 700;
    background: var(--accent-color);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* 柱状图样式 */
.analytics-chart {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    height: 60px;
    padding-top: 15px;
    border-top: 1px dashed var(--card-border);
}

.chart-bar-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    position: relative;
}

.chart-bar {
    width: 14px;
    background: var(--accent-color);
    border-radius: 4px 4px 0 0;
    height: 0; /* JS 动态控制 */
    transition: height 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    cursor: pointer;
}

.chart-bar:hover::after {
    content: attr(data-count) "次";
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translate(-50%, -4px);
    background: rgba(0,0,0,0.85);
    color: #fff;
    font-size: 10px;
    font-family: 'Outfit', sans-serif;
    padding: 2px 6px;
    border-radius: 4px;
    white-space: nowrap;
    z-index: 10;
    pointer-events: none;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

body.light-mode .chart-bar:hover::after {
    background: rgba(255,255,255,0.9);
    color: #000;
    border: 1px solid rgba(0,0,0,0.1);
}

.chart-label {
    font-family: 'Outfit', sans-serif;
    font-size: 9px;
    color: var(--text-muted);
    margin-top: 6px;
    transform: scale(0.9);
}

/* ==========================================
   14. Alien Invasion 端游下载 & 排行榜样式
   ========================================== */
.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent-color);
    color: #fff;
    text-decoration: none;
    padding: 12px 28px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 15px;
    box-shadow: 0 8px 20px var(--accent-glow);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.download-btn:hover {
    transform: translateY(-2px);
    opacity: 0.95;
    box-shadow: 0 10px 25px var(--accent-glow);
}

.download-btn:active {
    transform: translateY(1px);
}

.leaderboard-panel {
    margin-top: 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 16px 20px;
}

body.light-mode .leaderboard-panel {
    background: rgba(0, 0, 0, 0.02);
}

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

.leaderboard-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.leaderboard-refresh {
    font-family: 'Outfit', sans-serif;
    font-size: 11px;
    color: var(--text-muted);
    cursor: pointer;
    background: none;
    border: 1px solid var(--card-border);
    padding: 3px 10px;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.leaderboard-refresh:hover {
    color: var(--accent-solid);
    border-color: var(--accent-solid);
}

.leaderboard-table {
    width: 100%;
    border-collapse: collapse;
    font-family: 'Outfit', sans-serif;
}

.leaderboard-table th {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 6px 8px;
    text-align: left;
    border-bottom: 1px solid var(--card-border);
}

.leaderboard-table td {
    font-size: 13px;
    color: var(--text-secondary);
    padding: 7px 8px;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.04);
}

body.light-mode .leaderboard-table td {
    border-bottom-color: rgba(0, 0, 0, 0.04);
}

.leaderboard-table tr:hover td {
    background: var(--hover-bg);
}

.lb-rank { font-weight: 700; color: var(--text-primary); width: 32px; }
.lb-rank.top1 { color: #f59e0b; }
.lb-rank.top2 { color: #94a3b8; }
.lb-rank.top3 { color: #d97706; }

.lb-name { font-weight: 500; color: var(--text-primary); }
.lb-score { font-weight: 600; background: var(--accent-color); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.lb-level { font-size: 11px; color: var(--text-muted); }
.leaderboard-empty { text-align: center; color: var(--text-muted); font-size: 13px; padding: 20px 0; }
.leaderboard-stats { display: flex; gap: 16px; margin-top: 10px; font-size: 12px; color: var(--text-muted); }
.leaderboard-stats span { font-weight: 600; color: var(--text-secondary); }

/* ==========================================
   11. 旅人的信笺游戏样式
   ========================================== */
.game-card-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: relative;
    overflow: hidden;
    padding: 24px 30px;
}

.game-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.game-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
}

.game-title span {
    font-size: 13px;
    font-weight: 400;
    color: var(--text-muted);
    margin-left: 6px;
}

.game-status {
    font-family: 'Outfit', sans-serif;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--hover-bg);
    padding: 4px 10px;
    border-radius: 20px;
    border: 1px solid var(--card-border);
}

.canvas-wrapper {
    position: relative;
    width: 100%;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--card-border);
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.2) 0%, rgba(15, 23, 42, 0.4) 100%);
}

body.light-mode .canvas-wrapper {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.5) 100%);
}

#game-canvas {
    display: block;
    width: 100%;
    height: 180px;
    cursor: pointer;
}

.game-instruction-overlay {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.95);
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 12px;
    pointer-events: none;
    transition: opacity 0.5s ease;
    z-index: 10;
}

.game-instruction-overlay.fade-out {
    opacity: 0;
}

.jump-key-hint {
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 4px;
    padding: 1px 5px;
    background: rgba(255, 255, 255, 0.1);
    font-family: monospace;
    font-weight: bold;
}

/* 字母揭晓看板 */
.quote-reveal-board {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 6px;
    min-height: 40px;
    align-items: center;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--card-border);
    padding: 12px;
    border-radius: 16px;
}

body.light-mode .quote-reveal-board {
    background: rgba(0, 0, 0, 0.01);
}

.char-box {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    border: 1px dashed var(--text-muted);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-muted);
    transition: all 0.5s ease;
    font-family: 'Noto Serif SC', serif;
}

.char-box.revealed {
    border-style: solid;
    border-color: var(--accent-solid);
    background: var(--active-day-bg);
    color: var(--text-primary);
    box-shadow: 0 0 8px var(--accent-glow);
    transform: scale(1.05);
}

/* 游戏结算弹窗 (玻璃拟态 Modal Overlay) */
.game-modal {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s ease;
    z-index: 20;
    border-radius: 24px;
}

body.light-mode .game-modal {
    background: rgba(255, 255, 255, 0.75);
}

.game-modal.active {
    opacity: 1;
    pointer-events: auto;
}

.game-modal-content {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 24px;
    max-width: 420px;
    width: 90%;
    text-align: center;
    box-shadow: var(--shadow-premium);
    transform: translateY(20px);
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.game-modal.active .game-modal-content {
    transform: translateY(0);
}

.envelope-art {
    margin-bottom: 12px;
}

.envelope-svg {
    width: 50px;
    height: 50px;
    animation: mail-bounce 2s infinite ease-in-out;
}

@keyframes mail-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

.game-modal-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.final-quote-text {
    font-family: 'Noto Serif SC', serif;
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 20px;
    padding: 12px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--card-border);
}

body.light-mode .final-quote-text {
    background: rgba(0, 0, 0, 0.02);
}

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

.modal-btn {
    padding: 8px 18px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
}

.write-btn {
    background: var(--accent-color);
    color: #fff;
    box-shadow: 0 4px 12px var(--accent-glow);
}

.replay-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
}

body.light-mode .replay-btn {
    background: rgba(0, 0, 0, 0.04);
}

.modal-btn:hover {
    transform: translateY(-1px);
    opacity: 0.95;
}

.modal-btn:active {
    transform: translateY(1px);
}

/* ==========================================
   15. Brand tagline & about footer
   ========================================== */
.brand-tagline {
    font-family: 'Inter', sans-serif;
    font-size: 11px;
    font-weight: 400;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    -webkit-text-fill-color: var(--text-muted);
    background: none;
    margin-left: 10px;
    opacity: 0.7;
}

.about-footer {
    text-align: center;
    padding: 32px 40px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.about-intro {
    font-size: 13px;
    line-height: 2.2;
    color: var(--text-muted);
    max-width: 620px;
    margin: 0 auto;
}

.about-epilogue {
    font-family: 'Outfit', sans-serif;
    font-size: 11px;
    letter-spacing: 1px;
    color: var(--text-muted);
    opacity: 0.5;
    margin-top: 12px;
}