/* ========== CSS Variables - Editorial Control Room ========== */
:root {
    --bg-body: #f7f0e5;
    --bg-gradient-start: #f8efe3;
    --bg-gradient-end: #e6ddcf;
    --bg-gradient:
        radial-gradient(circle at top left, rgba(12, 88, 92, 0.12), transparent 34%),
        radial-gradient(circle at 82% 18%, rgba(198, 136, 68, 0.12), transparent 28%),
        radial-gradient(circle at 65% 78%, rgba(5, 64, 77, 0.08), transparent 32%),
        linear-gradient(180deg, #fbf6ef 0%, #f5ede2 46%, #efe5d6 100%);

    --orb-orange: rgba(201, 124, 62, 0.22);
    --orb-pink: rgba(183, 118, 102, 0.16);
    --orb-purple: rgba(17, 91, 96, 0.12);
    --orb-blue: rgba(42, 104, 124, 0.14);

    --text-primary: #17232d;
    --text-secondary: rgba(23, 35, 45, 0.72);
    --text-muted: rgba(23, 35, 45, 0.42);
    --text-inverse: #fffdf8;

    --border-color: rgba(30, 43, 56, 0.12);
    --border-light: rgba(30, 43, 56, 0.06);

    --primary-color: #0d5d61;
    --primary-hover: #0a4b4e;
    --secondary-color: #9e5c34;
    --accent-color: #d18c3b;
    --success-color: #1f9365;
    --danger-color: #b44d42;
    --warning-color: #ba7c24;

    --chart-1: #0d5d61;
    --chart-2: #b56a41;
    --chart-3: #255f75;
    --chart-4: #6d8b73;
    --chart-5: #d18c3b;
    --chart-6: #8b4e3a;
    --chart-grid: rgba(23, 35, 45, 0.08);
    --chart-grid-strong: rgba(23, 35, 45, 0.14);
    --chart-ribbon: linear-gradient(90deg, rgba(13, 93, 97, 0.96), rgba(181, 106, 65, 0.82), rgba(209, 140, 59, 0.68));
    --chart-halo-a: rgba(13, 93, 97, 0.12);
    --chart-halo-b: rgba(181, 106, 65, 0.1);
    --chart-halo-c: rgba(37, 95, 117, 0.08);
    --chart-surface-start: rgba(255, 255, 255, 0.76);
    --chart-surface-end: rgba(255, 255, 255, 0.24);
    --chart-surface-stroke: rgba(255, 255, 255, 0.54);
    --chart-tooltip-bg: rgba(255, 250, 244, 0.96);
    --chart-tooltip-border: rgba(23, 35, 45, 0.12);

    --bg-card: rgba(255, 251, 246, 0.84);
    --bg-section: rgba(255, 255, 255, 0.54);
    --bg-input: rgba(255, 255, 255, 0.74);
    --bg-hover: rgba(255, 255, 255, 0.92);
    --bg-primary: rgba(13, 93, 97, 0.05);
    --bg-elevated: #fffaf3;

    --card-bg: rgba(255, 250, 244, 0.74);
    --card-border: rgba(255, 255, 255, 0.72);
    --card-shadow: 0 18px 46px rgba(79, 57, 30, 0.09);
    --card-shadow-hover: 0 24px 56px rgba(79, 57, 30, 0.14);
    --shadow-small: 0 10px 24px rgba(79, 57, 30, 0.08);
    --shadow-card: 0 18px 44px rgba(46, 34, 18, 0.16);
    --glass-blur: blur(22px);
    --glass-backdrop: saturate(135%) blur(22px);
    --kpi-value: #10212d;

    /* 统一圆角 */
    --radius-sm: 0.5rem;
    --radius: 0.75rem;
    --radius-md: 0.875rem;
    --radius-lg: 1rem;
    --radius-xl: 1.25rem;
    --radius-2xl: 1.5rem;

    /* 统一边框 */
    --border-width: 1px;

    --ring-color: rgba(13, 93, 97, 0.22);

    /* 字体大小 */
    --font-xs: 0.75rem;
    --font-sm: 0.875rem;
    --font-base: 1rem;
    --font-lg: 1.125rem;
    --font-xl: 1.25rem;
    --font-2xl: 1.5rem;
    --font-3xl: 2rem;
}

/* SVG 图标基础样式 */
.icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.icon svg {
    width: 100%;
    height: 100%;
    stroke: currentColor;
    transition: stroke 0.2s ease;
}

/* 🌙 深色模式 - Ink Night */
[data-theme="dark"] {
    --bg-body: #0e151a;
    --bg-gradient-start: #10171d;
    --bg-gradient-end: #1c252d;
    --bg-gradient:
        radial-gradient(circle at top left, rgba(17, 124, 129, 0.2), transparent 32%),
        radial-gradient(circle at 84% 14%, rgba(192, 129, 58, 0.16), transparent 28%),
        radial-gradient(circle at 72% 84%, rgba(50, 77, 95, 0.18), transparent 32%),
        linear-gradient(180deg, #10171d 0%, #162028 44%, #121a21 100%);

    --text-primary: #f8f2e8;
    --text-secondary: rgba(248, 242, 232, 0.72);
    --text-muted: rgba(248, 242, 232, 0.46);
    --text-inverse: #0d1418;

    --border-color: rgba(255, 255, 255, 0.12);
    --border-light: rgba(255, 255, 255, 0.08);

    --primary-color: #53b8b3;
    --primary-hover: #7fd2cb;
    --secondary-color: #d39a63;
    --accent-color: #f3c57e;
    --success-color: #63d2a0;
    --danger-color: #ec8b7e;
    --warning-color: #f2c879;

    --chart-1: #53b8b3;
    --chart-2: #d39a63;
    --chart-3: #8fb3ce;
    --chart-4: #86c0a9;
    --chart-5: #f3c57e;
    --chart-6: #d97f69;
    --chart-grid: rgba(248, 242, 232, 0.1);
    --chart-grid-strong: rgba(248, 242, 232, 0.16);
    --chart-ribbon: linear-gradient(90deg, rgba(83, 184, 179, 0.96), rgba(211, 154, 99, 0.84), rgba(243, 197, 126, 0.72));
    --chart-halo-a: rgba(83, 184, 179, 0.14);
    --chart-halo-b: rgba(211, 154, 99, 0.12);
    --chart-halo-c: rgba(143, 179, 206, 0.1);
    --chart-surface-start: rgba(255, 255, 255, 0.05);
    --chart-surface-end: rgba(255, 255, 255, 0.015);
    --chart-surface-stroke: rgba(255, 255, 255, 0.08);
    --chart-tooltip-bg: rgba(14, 21, 26, 0.94);
    --chart-tooltip-border: rgba(255, 255, 255, 0.1);

    --bg-card: rgba(18, 26, 32, 0.92);
    --bg-section: rgba(255, 255, 255, 0.05);
    --bg-input: rgba(255, 255, 255, 0.06);
    --bg-hover: rgba(255, 255, 255, 0.08);
    --bg-primary: rgba(83, 184, 179, 0.09);
    --bg-elevated: #182129;

    --card-bg: rgba(20, 28, 34, 0.82);
    --card-border: rgba(255, 255, 255, 0.09);
    --card-shadow: 0 18px 42px rgba(0, 0, 0, 0.34);
    --card-shadow-hover: 0 24px 52px rgba(0, 0, 0, 0.42);
    --shadow-small: 0 10px 20px rgba(0, 0, 0, 0.26);
    --shadow-card: 0 20px 50px rgba(0, 0, 0, 0.4);
    --glass-blur: blur(24px);
    --glass-backdrop: saturate(125%) blur(24px);
    --kpi-value: #fff5eb;

    --ring-color: rgba(83, 184, 179, 0.22);
}

/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition-property: color, background-color, border-color, box-shadow, transform;
    transition-duration: 0.2s;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-family-base);
    background: var(--bg-gradient);
    background-attachment: fixed;
    min-height: 100vh;
    padding: 0;
    color: var(--text-primary);
    font-size: var(--font-base);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
    overflow-x: hidden;
}

/* 背景光斑装饰层 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 0;
    background:
        radial-gradient(circle at 15% 20%, var(--orb-orange, rgba(255, 150, 100, 0.4)) 0%, transparent 40%),
        radial-gradient(circle at 85% 30%, var(--orb-pink, rgba(255, 180, 200, 0.4)) 0%, transparent 35%),
        radial-gradient(circle at 70% 80%, var(--orb-purple, rgba(180, 140, 255, 0.4)) 0%, transparent 45%),
        radial-gradient(circle at 25% 75%, var(--orb-blue, rgba(120, 180, 255, 0.4)) 0%, transparent 40%);
    filter: blur(96px);
    opacity: 0.78;
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 26px 26px, 26px 26px;
    mix-blend-mode: soft-light;
    opacity: 0.28;
}

/* 内容层置于光斑之上 */
body>* {
    position: relative;
    z-index: 1;
}

/* 统一玻璃卡片样式 */
.card,
.metric-card,
.chart-card,
.upload-channel-card,
.backup-section,
.info-section {
    background: var(--card-bg);
    -webkit-backdrop-filter: var(--glass-backdrop, saturate(180%) blur(20px));
    backdrop-filter: var(--glass-backdrop, saturate(180%) blur(20px));
    border: var(--border-width) solid var(--card-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--card-shadow);
    transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
}

/* 全局表单元素样式 - 确保可见性 */
select,
input[type="text"],
input[type="number"],
input[type="date"],
textarea {
    background: var(--bg-input, rgba(255, 255, 255, 0.5));
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    font-size: var(--font-sm);
    transition: all 0.2s ease;
}

select:focus,
input:focus,
textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--ring-color);
    outline: none;
    background: var(--bg-hover, rgba(255, 255, 255, 0.8));
}

[data-theme="dark"] select,
[data-theme="dark"] input,
[data-theme="dark"] textarea {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
}

.card:hover,
.metric-card:hover,
.chart-card:hover {
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-2px);
}

.container {
    max-width: 100%;
    margin: 0 auto;
    background: transparent;
    border-radius: 0;
    box-shadow: none;
    overflow: hidden;
    min-height: 100vh;
}

.dashboard-container {
    overflow: visible;
}

/* Theme Toggle Button */
.theme-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    background: rgba(15, 28, 34, 0.92);
    color: #fff8ef;
    box-shadow: 0 18px 34px rgba(24, 18, 10, 0.24);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    transition: all 0.3s;
    z-index: 1000;
}

.theme-toggle:hover {
    transform: scale(1.1);
}

.theme-toggle .icon-sun {
    display: block;
}

.theme-toggle .icon-moon {
    display: none;
}

[data-theme="dark"] .theme-toggle .icon-sun {
    display: none;
}

[data-theme="dark"] .theme-toggle .icon-moon {
    display: block;
}

/* 头部样式 */
header {
    background:
        radial-gradient(circle at top right, rgba(243, 197, 126, 0.16), transparent 30%),
        linear-gradient(135deg, rgba(10, 54, 58, 0.94), rgba(20, 34, 44, 0.92));
    color: var(--text-inverse);
    padding: 40px;
    text-align: center;
}

header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
    font-weight: 700;
}

.subtitle {
    font-size: 1.1em;
    opacity: 0.9;
}

/* 主内容区 */
main {
    padding: 40px;
}

/* 上传表单样式 */
.upload-form {
    max-width: 800px;
    margin: 0 auto;
}

.upload-section {
    margin-bottom: 40px;
    padding: 30px;
    background: var(--bg-section);
    border-radius: 15px;
    border: 2px dashed var(--border-light);
}

.upload-section h2 {
    font-size: 1.5em;
    margin-bottom: 25px;
    color: var(--text-primary);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 10px;
}

.file-upload-group {
    margin-bottom: 25px;
}

.file-label {
    display: block;
    padding: 20px;
    background: var(--bg-input);
    border: 2px dashed var(--border-color);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    color: var(--text-primary);
}

.file-label:hover {
    border-color: var(--primary-color);
    background: var(--bg-hover);
}

.file-label.required::after {
    content: ' *';
    color: #dc3545;
}

.file-icon {
    font-size: 2em;
    display: block;
    margin-bottom: 10px;
}

.file-text {
    font-size: 1.1em;
    font-weight: 600;
    color: #495057;
    display: block;
    margin-bottom: 5px;
}

.file-hint {
    font-size: 0.9em;
    color: #6c757d;
}

.file-input {
    display: none;
}

.file-name {
    margin-top: 10px;
    padding: 10px;
    background: #e9ecef;
    border-radius: 5px;
    font-size: 0.9em;
    color: #495057;
    text-align: center;
}

/* 按钮样式 */
.form-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 30px;
}

.btn {
    padding: 12px 24px;
    font-size: 0.9375rem;
    border: none;
    border-radius: 0.75rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 500;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 12px 24px rgba(13, 93, 97, 0.22);
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 16px 28px rgba(13, 93, 97, 0.28);
}

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

.btn-secondary:hover {
    background: var(--bg-hover);
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

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

.btn-icon {
    font-size: 1.1em;
}

/* 加载动画 */
.loading {
    text-align: center;
    padding: 40px;
}

.loading.hidden {
    display: none;
}

.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* 消息提示 */
.message {
    padding: 15px 20px;
    border-radius: 10px;
    margin: 20px 0;
    text-align: center;
    font-weight: 500;
}

.message.hidden {
    display: none;
}

.message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* 页脚 */
footer {
    padding: 20px;
    text-align: center;
    background: #f8f9fa;
    color: #6c757d;
    font-size: 0.9em;
}

/* 看板页面样式 - 统一风格 */
.dashboard-header {
    margin: 28px 40px 18px;
    padding: 32px 34px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 24px;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.58);
    background:
        radial-gradient(circle at top right, rgba(243, 197, 126, 0.16), transparent 32%),
        linear-gradient(135deg, rgba(10, 54, 58, 0.94), rgba(20, 34, 44, 0.92));
    color: #fff7ed;
    box-shadow: 0 28px 70px rgba(37, 28, 18, 0.2);
    position: relative;
    overflow: hidden;
}

.dashboard-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(115deg, transparent 0 22%, rgba(255, 255, 255, 0.08) 22% 28%, transparent 28% 100%),
        radial-gradient(circle at 14% 18%, rgba(83, 184, 179, 0.28), transparent 18%);
    pointer-events: none;
}

.dashboard-header::after {
    content: '';
    position: absolute;
    width: 260px;
    height: 260px;
    right: -90px;
    top: -120px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(243, 197, 126, 0.26), transparent 66%);
    pointer-events: none;
}

/* 菜单按钮和标题的包装容器 */
.dashboard-header-left {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    position: relative;
    z-index: 1;
}

.dashboard-title-block {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 760px;
}

.dashboard-title-english {
    margin: 0;
    font-size: 0.82rem;
    line-height: 1.2;
    letter-spacing: 0.18em;
    color: rgba(255, 240, 220, 0.7);
    font-weight: 600;
    text-wrap: balance;
}

.dashboard-kicker {
    font-size: 0.72rem;
    line-height: 1;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: rgba(250, 235, 214, 0.78);
    font-weight: 700;
}

.dashboard-subtitle {
    margin: 0;
    max-width: 58ch;
    font-size: 0.96rem;
    line-height: 1.7;
    color: rgba(255, 244, 230, 0.76);
}

.dashboard-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.dashboard-chip {
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.08);
    color: rgba(255, 247, 237, 0.92);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.04em;
}

.dashboard-chip.muted {
    color: rgba(255, 244, 230, 0.7);
    background: rgba(255, 255, 255, 0.05);
}

/* Header内的菜单按钮 */
.header-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 0.9rem;
    cursor: pointer;
    color: #fff8ef;
    transition: all 0.2s ease;
    flex-shrink: 0;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.14);
}

.header-menu-btn:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.24);
    transform: scale(1.05);
    color: #fff;
}

.header-menu-btn svg {
    width: 1.25em;
    height: 1.25em;
}

.dashboard-header h1 {
    font-size: clamp(2rem, 2.7vw, 3.4rem);
    margin: 0;
    font-weight: 700;
    line-height: 0.98;
    letter-spacing: -0.035em;
    color: #fffaf2;
}

.dashboard-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    position: relative;
    z-index: 1;
    justify-content: flex-end;
}

.btn-export {
    background: rgba(255, 255, 255, 0.1);
    color: #fff7ed;
    border: 1px solid rgba(255, 255, 255, 0.14);
    padding: 10px 16px;
    border-radius: 999px;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12);
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-export:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.25);
    color: #fff;
    transform: translateY(-1px);
}

/* 筛选器区域 - 统一风格 */
/* 筛选器区域 - 统一风格 */
.filters-dock {
    position: sticky;
    top: 12px;
    z-index: 52;
    padding: 0 0 14px;
}

.filters {
    padding: 18px 22px;
    margin: 0 40px;
    background: var(--card-bg);
    -webkit-backdrop-filter: var(--glass-backdrop, saturate(180%) blur(20px));
    backdrop-filter: var(--glass-backdrop, saturate(180%) blur(20px));
    border: var(--border-width) solid var(--card-border);
    border-radius: 24px;
    box-shadow: var(--card-shadow);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
}

/* 日期范围选择器 - 统一组件 */
.date-range-picker {
    display: inline-flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.86);
    border: 1px solid rgba(23, 35, 45, 0.08);
    border-radius: 999px;
    padding: 0;
    transition: all 0.2s ease;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.date-range-picker:hover {
    border-color: var(--primary-color);
}

.date-range-picker:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--ring-color);
}

.date-range-picker .date-input {
    border: none;
    background: transparent;
    padding: 11px 16px;
    font-size: var(--font-sm);
    color: var(--text-primary);
    min-width: 130px;
    outline: none;
}

.date-range-picker .date-input::placeholder {
    color: var(--text-muted);
}

.date-range-picker .date-separator {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 8px;
    color: var(--text-muted);
    font-size: var(--font-sm);
}

.date-range-picker .date-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px 14px;
    color: var(--text-muted);
    background: rgba(13, 93, 97, 0.06);
    border-radius: 999px;
    margin-right: 4px;
}

[data-theme="dark"] .date-range-picker .date-icon {
    background: rgba(83, 184, 179, 0.16);
}

[data-theme="dark"] .dashboard-title-english {
    color: rgba(226, 232, 240, 0.72);
}

[data-theme="dark"] .filter-basis-group {
    background: transparent;
    border-color: transparent;
    box-shadow: none;
}

[data-theme="dark"] .filter-basis-label {
    color: rgba(226, 232, 240, 0.76);
}

/* 快捷时间选择按钮 */
.date-shortcuts {
    display: flex;
    gap: 6px;
    margin-left: 8px;
}

.filter-basis-group {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
    padding: 0;
    border: none;
    background: transparent;
    box-shadow: none;
}

.filter-basis-label {
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    white-space: nowrap;
}

.date-shortcut-btn {
    padding: 7px 13px;
    font-size: var(--font-xs);
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.68);
    border: 1px solid rgba(23, 35, 45, 0.08);
    border-radius: 999px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    font-weight: 600;
}

.date-shortcut-btn:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
    background: rgba(13, 93, 97, 0.08);
}

.date-shortcut-btn.active {
    color: #fffaf2;
    background: linear-gradient(135deg, var(--primary-color), #2f7880);
    border-color: transparent;
    box-shadow: 0 12px 26px rgba(13, 93, 97, 0.2);
}

[data-theme="dark"] .date-shortcut-btn:hover {
    background: rgba(83, 184, 179, 0.14);
}

/* 更多选项按钮 */
.more-filters-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    font-size: var(--font-xs);
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.76);
    border: 1px solid rgba(23, 35, 45, 0.08);
    border-radius: 999px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    font-weight: 600;
}

.more-filters-btn:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
    background: rgba(13, 93, 97, 0.08);
}

.more-filters-btn .arrow-icon {
    transition: transform 0.3s ease;
}

.more-filters-btn.expanded .arrow-icon {
    transform: rotate(180deg);
}

[data-theme="dark"] .more-filters-btn:hover {
    background: rgba(83, 184, 179, 0.14);
}

/* 可折叠筛选器 */
.filters-collapsible {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.3s ease, opacity 0.3s ease, margin 0.3s ease;
    margin: 12px 40px 0;
}

.filters-collapsible.expanded {
    max-height: 500px;
    opacity: 1;
    margin: 12px 40px 0;
}

/* 筛选器组 - 更宽松的布局 */

.filters+.filters {
    border-top: none;
    padding-top: 0;
}

.filters:has(.filter-group) {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px 24px;
    align-items: center;
}

.filter-group {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 12px 0 4px 0;
}

.filter-group label {
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 0.8125rem;
}

.filter-group select,
.filter-group input {
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 0.875rem;
    background: var(--bg-input);
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.filter-group select:focus,
.filter-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--ring-color);
}

.btn-filter {
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    background: var(--bg-primary);
    border-radius: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
    transition: all 0.2s ease;
    text-align: left;
    width: 100%;
}

.btn-filter:hover {
    border-color: var(--primary-color);
}

.btn-filter:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--ring-color);
}

[data-theme="dark"] .btn-filter {
    background: var(--bg-input);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.selected-tags {
    margin-top: 6px;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    background: var(--bg-section);
    padding: 6px 10px;
    border-radius: 0.375rem;
    min-height: 32px;
}

.selected-tags.hidden {
    display: none;
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: var(--bg-card);
    width: 90%;
    max-width: 520px;
    border-radius: 1rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
    overflow: hidden;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .modal-content {
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(83, 184, 179, 0.16);
}

.modal-header,
.modal-footer {
    padding: 16px 20px;
    background: var(--bg-section);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-body {
    padding: 20px;
    overflow-y: auto;
    max-height: 60vh;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}

.empty-tip {
    text-align: center;
    color: var(--text-muted);
    grid-column: 1 / -1;
    padding: 20px 0;
    font-size: 0.9375rem;
}

.modal-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    transition: all 0.2s ease;
}

.modal-option:hover {
    border-color: var(--primary-color);
    background: rgba(13, 93, 97, 0.06);
}

.export-choice-modal-content {
    max-width: 640px;
    border-radius: 24px;
}

.export-choice-modal-header {
    align-items: flex-start;
}

.export-choice-heading {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.export-choice-kicker {
    font-size: 0.75rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.export-choice-subtitle {
    margin: 0;
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

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

.export-choice-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 10px;
    min-height: 168px;
    padding: 18px;
    border-radius: 18px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.94) 0%, rgba(247, 240, 233, 0.88) 100%),
        var(--bg-card);
    cursor: pointer;
    text-align: left;
}

.export-choice-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 28px rgba(13, 93, 97, 0.12);
}

.export-choice-card-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.01em;
}

.export-choice-card-desc {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

[data-theme="dark"] .export-choice-card {
    background:
        linear-gradient(180deg, rgba(20, 35, 36, 0.92) 0%, rgba(16, 26, 27, 0.9) 100%),
        var(--bg-card);
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5em;
    cursor: pointer;
    color: var(--text-muted);
    transition: color 0.2s ease;
    padding: 4px;
    line-height: 1;
}

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

/* 指标卡片 - SAAS VINTSY 风格 */
.metrics-grid {
    display: grid;
    /* 自适应列，每列最小宽度200px，利用 max-width 和 repeat 计算限制每行最多6个 */
    grid-template-columns: repeat(auto-fill, minmax(max(200px, calc(100% / 6 - 20px)), 1fr));
    gap: 20px;
    padding: 30px 40px;
}

.metric-card {
    background: var(--card-bg);
    -webkit-backdrop-filter: var(--glass-backdrop, saturate(180%) blur(20px));
    backdrop-filter: var(--glass-backdrop, saturate(180%) blur(20px));
    padding: 24px;
    border-radius: var(--radius-xl);
    border: var(--border-width) solid var(--card-border);
    box-shadow: var(--card-shadow);
    position: relative;
}

.metric-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--card-shadow-hover);
}

[data-theme="dark"] .metric-card {
    background: var(--card-bg);
    border-color: var(--card-border);
}

[data-theme="dark"] .metric-card:hover {
    border-color: rgba(0, 240, 255, 0.2);
    box-shadow: 0 4px 16px rgba(0, 200, 255, 0.12);
}

.metric-label {
    font-size: var(--font-sm);
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 12px;
    letter-spacing: 0;
    display: flex;
    align-items: center;
    gap: 4px;
    position: relative;
}

/* 公式信息按钮 */
.formula-info-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    padding: 0;
    margin-left: 4px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    transition: color 0.2s ease, transform 0.2s ease;
    flex-shrink: 0;
    position: relative;
}

.formula-info-btn:hover,
.formula-info-btn:focus-visible {
    color: var(--primary-color);
    transform: translateY(-1px);
}

.formula-info-btn:focus-visible {
    outline: none;
}

.formula-info-btn .icon {
    width: 14px;
    height: 14px;
}

.formula-tag {
    position: fixed;
    left: 0;
    top: 0;
    max-width: min(320px, calc(100vw - 32px));
    padding: 8px 12px;
    background: var(--chart-tooltip-bg, var(--bg-card));
    border: 1px solid var(--chart-tooltip-border, var(--border-color));
    border-radius: 12px;
    font-size: 0.75rem;
    line-height: 1.45;
    color: var(--text-primary);
    font-family: "SFMono-Regular", "SF Mono", Monaco, Consolas, "Liberation Mono", monospace;
    white-space: normal;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translate3d(0, 6px, 0);
    transition: opacity 0.16s ease, transform 0.16s ease, visibility 0.16s ease;
    z-index: 4000;
    box-shadow: 0 18px 34px rgba(25, 31, 38, 0.18);
}

.formula-tag.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translate3d(0, 0, 0);
}

.metric-value {
    font-size: var(--font-3xl);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
    letter-spacing: -0.02em;
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
}

[data-theme="dark"] .metric-value {
    color: var(--kpi-value);
}

.metric-number {
    display: inline-flex;
    align-items: baseline;
}

.metric-unit {
    font-size: 0.6em;
    color: var(--text-muted);
    margin-left: 5px;
}

.metric-delta {
    display: inline-flex;
    align-items: baseline;
    margin-left: 8px;
    font-size: 0.34em;
    font-weight: 600;
    line-height: 1;
    letter-spacing: 0;
    color: var(--text-muted);
    white-space: nowrap;
    align-self: baseline;
}

.metric-delta.positive {
    color: var(--success-color);
}

.metric-delta.negative {
    color: var(--danger-color);
}

.metric-delta.neutral {
    color: var(--text-muted);
}

/* 图表容器 - SAAS VINTSY 风格 */
.charts-container {
    padding: 30px 40px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    align-items: start;
}

.chart-card {
    background: var(--card-bg);
    -webkit-backdrop-filter: var(--glass-backdrop, saturate(180%) blur(20px));
    backdrop-filter: var(--glass-backdrop, saturate(180%) blur(20px));
    padding: 24px;
    border-radius: var(--radius-xl);
    border: var(--border-width) solid var(--card-border);
    box-shadow: var(--card-shadow);
    position: relative;
    overflow: hidden;
    isolation: isolate;
}

.chart-card::before {
    content: none;
}

.chart-card::after {
    content: none;
}

.chart-card:hover {
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-2px);
    border-color: var(--ring-color);
}

[data-theme="dark"] .chart-card {
    background: var(--card-bg);
    border-color: var(--card-border);
}

[data-theme="dark"] .chart-card::after {
    content: none;
}

[data-theme="dark"] .chart-card:hover {
    border-color: var(--ring-color);
    box-shadow: var(--card-shadow-hover);
}

.chart-card-wide {
    grid-column: span 2;
}

.chart-card-solo {
    grid-column: span 2;
}

.chart-title {
    font-size: 1.08rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    margin-bottom: 18px;
    color: var(--text-primary);
    border-bottom: 1px solid rgba(13, 93, 97, 0.18);
    padding-bottom: 14px;
    position: relative;
    z-index: 1;
}

[data-theme="dark"] .chart-title {
    border-bottom-color: rgba(83, 184, 179, 0.2);
}

.chart-container {
    position: relative;
    height: 320px;
    min-height: 320px;
    border-radius: calc(var(--radius-lg) + 2px);
    overflow: hidden;
    border: 1px solid var(--chart-surface-stroke);
    background: var(--bg-elevated);
    box-shadow: none;
    z-index: 1;
}

.chart-container canvas {
    display: block;
    width: 100% !important;
    height: 100% !important;
    max-width: 100%;
    max-height: 100%;
    position: relative;
    z-index: 2;
    opacity: 1;
    transition: opacity 0.35s ease;
}

.chart-container.is-loading::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(110deg,
            rgba(255, 255, 255, 0.05) 10%,
            rgba(255, 255, 255, 0.72) 35%,
            rgba(255, 255, 255, 0.08) 60%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.4), rgba(241, 245, 249, 0.16));
    background-size: 220% 100%, 100% 100%;
    animation: chartSkeletonShimmer 1.4s linear infinite;
    z-index: 3;
}

.chart-container.is-loading canvas {
    opacity: 0;
}

.chart-container.is-ready canvas {
    opacity: 1;
}

[data-theme="dark"] .chart-container {
    border-color: var(--chart-surface-stroke);
    background: var(--bg-elevated);
    box-shadow: none;
}

[data-theme="dark"] .chart-container.is-loading::before {
    background:
        linear-gradient(110deg,
            rgba(255, 255, 255, 0.02) 10%,
            rgba(255, 255, 255, 0.12) 35%,
            rgba(255, 255, 255, 0.02) 60%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
}

@keyframes chartSkeletonShimmer {
    from {
        background-position: 200% 0, 0 0;
    }

    to {
        background-position: -20% 0, 0 0;
    }
}

.analysis-panels {
    padding: 0 40px 40px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.analysis-card {
    background: var(--card-bg);
    -webkit-backdrop-filter: var(--glass-backdrop, saturate(180%) blur(20px));
    backdrop-filter: var(--glass-backdrop, saturate(180%) blur(20px));
    border: var(--border-width) solid var(--card-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--card-shadow);
    overflow: hidden;
}

.analysis-card-header {
    padding: 24px 26px 20px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    border-bottom: 1px solid rgba(23, 35, 45, 0.08);
    background:
        linear-gradient(135deg, rgba(13, 93, 97, 0.06), rgba(209, 140, 59, 0.04)),
        rgba(255, 255, 255, 0.22);
}

.analysis-card-title {
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--text-primary);
}

.analysis-card-subtitle {
    margin: 6px 0 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.analysis-card-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 10px;
}

.analysis-basis-note {
    display: inline-flex;
    align-items: center;
    padding: 7px 12px;
    border-radius: 999px;
    background: rgba(13, 93, 97, 0.08);
    border: 1px solid rgba(13, 93, 97, 0.12);
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.03em;
}

.analysis-action-btn {
    border: 1px solid rgba(13, 93, 97, 0.16);
    background: rgba(255, 255, 255, 0.72);
    color: var(--primary-color);
    padding: 9px 14px;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 10px 20px rgba(13, 93, 97, 0.08);
}

.analysis-action-btn:hover:not(:disabled) {
    background: rgba(13, 93, 97, 0.08);
    transform: translateY(-1px);
}

.analysis-action-btn:disabled {
    cursor: not-allowed;
    opacity: 0.45;
    box-shadow: none;
}

.analysis-action-btn.subtle {
    background: transparent;
    box-shadow: none;
}

.analysis-table-wrap {
    overflow-x: auto;
    padding: 8px 18px 18px;
}

.analysis-table-wrap.analysis-table-wrap-scroll {
    max-height: 432px;
    overflow-y: auto;
    overflow-x: auto;
    scrollbar-gutter: stable;
}

.analysis-table-wrap.analysis-table-wrap-scroll::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

.analysis-table-wrap.analysis-table-wrap-scroll::-webkit-scrollbar-thumb {
    background: rgba(13, 93, 97, 0.18);
    border-radius: 999px;
}

.analysis-table-wrap.analysis-table-wrap-scroll::-webkit-scrollbar-track {
    background: rgba(23, 35, 45, 0.04);
    border-radius: 999px;
}

.analysis-table {
    width: 100%;
    min-width: 980px;
    border-collapse: separate;
    border-spacing: 0;
}

.analysis-table th,
.analysis-table td {
    padding: 14px 12px;
    text-align: left;
    vertical-align: middle;
    border-bottom: 1px solid rgba(23, 35, 45, 0.08);
}

.analysis-table th {
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-muted);
    background: #fffaf3;
    position: sticky;
    top: 0;
    z-index: 1;
}

.analysis-table tbody tr:hover {
    background: rgba(13, 93, 97, 0.04);
}

.analysis-table tbody tr:last-child td {
    border-bottom: none;
}

.analysis-name-cell {
    min-width: 240px;
}

.analysis-name-inner,
.analysis-name-block {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.analysis-name-inner {
    align-items: flex-start;
}

.analysis-name-block {
    align-items: flex-start;
    flex-direction: column;
    justify-content: flex-start;
    flex: 1;
    min-width: 0;
}

.analysis-name-btn,
.analysis-name-text {
    font: inherit;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.35;
}

.analysis-name-btn {
    border: none;
    background: transparent;
    padding: 0;
    cursor: pointer;
    text-align: left;
}

.analysis-name-btn:hover {
    color: var(--primary-color);
}

.analysis-name-sub {
    color: var(--text-muted);
    font-size: 0.78rem;
    line-height: 1.45;
    word-break: break-all;
}

.analysis-row-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-shrink: 0;
    flex-wrap: wrap;
    gap: 8px;
}

.analysis-row-btn,
.analysis-row-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.03em;
}

.analysis-row-btn {
    border: 1px solid rgba(13, 93, 97, 0.16);
    background: rgba(13, 93, 97, 0.08);
    color: var(--primary-color);
    cursor: pointer;
}

.analysis-row-btn:hover {
    background: rgba(13, 93, 97, 0.12);
}

.analysis-row-btn.active {
    background: linear-gradient(135deg, rgba(13, 93, 97, 0.96), rgba(47, 120, 128, 0.92));
    border-color: transparent;
    color: #fffaf2;
    box-shadow: 0 12px 24px rgba(13, 93, 97, 0.18);
}

.analysis-row-badge {
    background: rgba(23, 35, 45, 0.06);
    color: var(--text-secondary);
}

.analysis-row-badge.muted {
    color: var(--text-muted);
}

.analysis-cell-main {
    font-weight: 700;
    color: var(--text-primary);
    padding-bottom: 2px;
    border-bottom: 1px dashed transparent;
    transition: color 0.18s ease, border-color 0.18s ease;
}

.analysis-cell-sub {
    margin-top: 4px;
    font-size: 0.78rem;
    color: var(--text-muted);
}

.analysis-value-btn {
    width: 100%;
    border: none;
    background: transparent;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    text-align: left;
    color: inherit;
    cursor: pointer;
}

.analysis-value-btn:hover:not(:disabled) .analysis-cell-main,
.analysis-value-btn:focus-visible .analysis-cell-main {
    color: var(--primary-color);
    border-bottom-color: currentColor;
}

.analysis-value-btn:focus-visible {
    outline: none;
}

.analysis-value-btn:disabled {
    cursor: default;
}

.analysis-empty {
    text-align: center;
    color: var(--text-secondary);
    padding: 28px 12px !important;
}

.analysis-parent-row.expanded td {
    background: rgba(13, 93, 97, 0.04);
}

.analysis-child-row td {
    background: rgba(13, 93, 97, 0.015);
}

.analysis-child-row:hover td {
    background: rgba(13, 93, 97, 0.04);
}

.analysis-child-row td:first-child {
    padding-left: 12px;
}

.analysis-child-name-inner {
    padding-left: 28px;
    position: relative;
}

.analysis-child-name-inner::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 10px;
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: rgba(13, 93, 97, 0.2);
    box-shadow: 0 0 0 4px rgba(13, 93, 97, 0.08);
}

.analysis-child-empty-row td {
    padding-left: 28px !important;
}

.analysis-compare-panel {
    padding: 24px 22px 24px;
    border-top: 1px solid rgba(23, 35, 45, 0.08);
    background:
        linear-gradient(180deg, rgba(13, 93, 97, 0.025), rgba(255, 255, 255, 0)),
        rgba(255, 255, 255, 0.14);
    display: grid;
    gap: 18px;
}

.analysis-compare-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
}

.analysis-compare-header-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    flex-wrap: wrap;
}

.analysis-compare-title {
    font-size: 1rem;
    font-weight: 800;
    color: var(--text-primary);
}

.analysis-compare-subtitle {
    margin: 6px 0 0;
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.65;
}

.analysis-compare-summary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(13, 93, 97, 0.08);
    border: 1px solid rgba(13, 93, 97, 0.14);
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.analysis-compare-body {
    display: grid;
    gap: 18px;
}

.analysis-compare-body.hidden {
    display: none;
}

.analysis-compare-toolbar {
    display: flex;
    align-items: flex-end;
    gap: 16px;
    flex-wrap: wrap;
}

.analysis-compare-toolbar.stacked {
    align-items: stretch;
}

.analysis-compare-toolbar-group,
.analysis-compare-search-block {
    display: grid;
    gap: 8px;
}

.analysis-compare-search-block {
    flex: 1 1 320px;
    min-width: 280px;
    position: relative;
}

.analysis-compare-toolbar-group {
    min-width: 180px;
}

.analysis-compare-toolbar-label {
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.analysis-compare-search-shell {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px;
    border-radius: 20px;
    border: 1px solid rgba(23, 35, 45, 0.08);
    background: rgba(255, 255, 255, 0.74);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72);
}

.analysis-compare-search-input,
.analysis-compare-select {
    width: 100%;
    border: none;
    background: transparent;
    color: var(--text-primary);
    font: inherit;
    min-height: 40px;
    outline: none;
}

.analysis-compare-select {
    padding: 0 14px;
    border-radius: 16px;
    border: 1px solid rgba(23, 35, 45, 0.08);
    background: rgba(255, 255, 255, 0.74);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72);
}

.analysis-search-trigger {
    border: 1px solid rgba(13, 93, 97, 0.16);
    background: rgba(13, 93, 97, 0.08);
    color: var(--primary-color);
    padding: 10px 14px;
    border-radius: 14px;
    font-size: 0.82rem;
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
}

.analysis-search-trigger:hover {
    background: rgba(13, 93, 97, 0.12);
}

.analysis-compare-options {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    width: min(100%, 440px);
    max-height: 300px;
    overflow-y: auto;
    z-index: 12;
    border-radius: 22px;
    border: 1px solid rgba(23, 35, 45, 0.08);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 247, 238, 0.94)),
        radial-gradient(circle at top right, rgba(13, 93, 97, 0.08), transparent 36%);
    box-shadow: 0 24px 54px rgba(15, 23, 42, 0.16);
    padding: 10px;
}

.analysis-compare-options.hidden {
    display: none;
}

.analysis-compare-option-btn {
    width: 100%;
    border: none;
    background: transparent;
    border-radius: 16px;
    padding: 11px 12px;
    display: grid;
    gap: 4px;
    text-align: left;
    cursor: pointer;
    color: inherit;
}

.analysis-compare-option-btn:hover {
    background: rgba(13, 93, 97, 0.06);
}

.analysis-compare-option-title {
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.45;
}

.analysis-compare-option-subtitle {
    font-size: 0.78rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.analysis-compare-option-empty {
    padding: 12px 14px;
    color: var(--text-secondary);
    font-size: 0.84rem;
    line-height: 1.6;
}

.analysis-compare-option-count {
    padding: 8px 12px 10px;
    color: var(--text-muted);
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.analysis-compare-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(23, 35, 45, 0.08);
}

.analysis-compare-toggle-btn {
    border: none;
    background: transparent;
    color: var(--text-secondary);
    padding: 9px 14px;
    border-radius: 12px;
    font-size: 0.82rem;
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
}

.analysis-compare-toggle-btn.active {
    background: linear-gradient(135deg, rgba(13, 93, 97, 0.98), rgba(47, 120, 128, 0.92));
    color: #fffaf2;
    box-shadow: 0 14px 24px rgba(13, 93, 97, 0.16);
}

.analysis-compare-selection {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.analysis-compare-selection.hidden {
    display: none;
}

.analysis-compare-chips {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    min-height: 20px;
}

.analysis-compare-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(13, 93, 97, 0.08);
    border: 1px solid rgba(13, 93, 97, 0.12);
    color: var(--text-primary);
    font-size: 0.8rem;
    font-weight: 700;
}

.analysis-compare-chip-sub {
    color: var(--text-secondary);
    font-weight: 600;
}

.analysis-compare-chip-remove {
    border: none;
    background: transparent;
    color: var(--text-secondary);
    padding: 0;
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
}

.analysis-compare-message {
    padding: 10px 14px;
    border-radius: 16px;
    font-size: 0.84rem;
    line-height: 1.6;
    background: rgba(181, 106, 65, 0.08);
    border: 1px solid rgba(181, 106, 65, 0.14);
    color: #9a502d;
}

.analysis-compare-empty {
    border-radius: 22px;
    border: 1px dashed rgba(13, 93, 97, 0.16);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(248, 250, 252, 0.84)),
        radial-gradient(circle at top right, rgba(13, 93, 97, 0.08), transparent 36%);
    padding: 28px 24px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.analysis-compare-content {
    display: grid;
    gap: 16px;
}

.analysis-compare-card {
    border-radius: 24px;
    border: 1px solid rgba(23, 35, 45, 0.08);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.76), rgba(248, 250, 252, 0.88)),
        radial-gradient(circle at top left, rgba(13, 93, 97, 0.05), transparent 34%);
    overflow: hidden;
}

.analysis-compare-card-header {
    padding: 18px 20px 16px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
    border-bottom: 1px solid rgba(23, 35, 45, 0.08);
}

.analysis-compare-card-title {
    font-size: 0.96rem;
    font-weight: 800;
    color: var(--text-primary);
}

.analysis-compare-card-subtitle {
    margin: 6px 0 0;
    color: var(--text-secondary);
    font-size: 0.82rem;
    line-height: 1.6;
}

.analysis-compare-matrix-wrap {
    overflow-x: auto;
    padding: 8px 16px 18px;
}

.analysis-compare-matrix-table {
    width: 100%;
    min-width: 760px;
    border-collapse: separate;
    border-spacing: 0;
}

.analysis-compare-matrix-table th,
.analysis-compare-matrix-table td {
    padding: 14px 12px;
    border-bottom: 1px solid rgba(23, 35, 45, 0.08);
    text-align: left;
    vertical-align: middle;
}

.analysis-compare-matrix-table thead th {
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.46);
}

.analysis-compare-matrix-table tbody tr:last-child td {
    border-bottom: none;
}

.analysis-compare-matrix-table tbody tr:hover td {
    background: rgba(13, 93, 97, 0.035);
}

.analysis-compare-metric-name {
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
}

.analysis-compare-metric-value {
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
}

.analysis-compare-metric-pills {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    flex-wrap: wrap;
}

.analysis-compare-metric-pill {
    border: 1px solid rgba(23, 35, 45, 0.08);
    background: rgba(255, 255, 255, 0.78);
    color: var(--text-secondary);
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
}

.analysis-compare-metric-pill:hover {
    color: var(--primary-color);
    border-color: rgba(13, 93, 97, 0.2);
}

.analysis-compare-metric-pill.active {
    background: linear-gradient(135deg, rgba(13, 93, 97, 0.98), rgba(47, 120, 128, 0.92));
    border-color: transparent;
    color: #fffaf2;
    box-shadow: 0 12px 24px rgba(13, 93, 97, 0.16);
}

.analysis-compare-chart-state {
    min-height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--text-secondary);
    line-height: 1.8;
    padding: 24px;
}

.analysis-compare-chart-state.hidden {
    display: none;
}

.analysis-compare-chart-shell {
    padding: 16px 18px 18px;
}

.analysis-compare-chart-shell canvas {
    width: 100% !important;
    height: 320px !important;
}

.analysis-compare-add-btn {
    border: 1px solid rgba(181, 106, 65, 0.16);
    background: rgba(181, 106, 65, 0.08);
    color: #9a502d;
    cursor: pointer;
}

.analysis-compare-add-btn:hover {
    background: rgba(181, 106, 65, 0.14);
}

.analysis-compare-add-btn.active {
    background: linear-gradient(135deg, rgba(181, 106, 65, 0.96), rgba(209, 140, 59, 0.92));
    border-color: transparent;
    color: #fffaf2;
    box-shadow: 0 12px 24px rgba(181, 106, 65, 0.2);
}

#campaignCompareCollapseBtn.active,
#keywordCompareCollapseBtn.active {
    background: rgba(13, 93, 97, 0.08);
    color: var(--primary-color);
}

.analysis-trend-modal {
    z-index: 1100;
    background: rgba(9, 15, 25, 0.46);
    backdrop-filter: blur(12px);
}

.analysis-trend-modal-content {
    width: min(92vw, 920px);
    max-width: 920px;
    border-radius: 28px;
    border: 1px solid rgba(13, 93, 97, 0.12);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 247, 238, 0.92)),
        radial-gradient(circle at top right, rgba(13, 93, 97, 0.08), transparent 32%),
        radial-gradient(circle at bottom left, rgba(209, 140, 59, 0.08), transparent 28%);
    box-shadow: 0 38px 100px rgba(15, 23, 42, 0.24);
}

.analysis-trend-modal-header {
    align-items: flex-start;
    gap: 18px;
    padding: 24px 26px 20px;
    background:
        linear-gradient(135deg, rgba(13, 93, 97, 0.08), rgba(209, 140, 59, 0.06)),
        rgba(255, 255, 255, 0.12);
}

.analysis-trend-heading {
    display: grid;
    gap: 8px;
}

.analysis-trend-kicker {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--primary-color);
}

.analysis-trend-kicker::before {
    content: '';
    width: 9px;
    height: 9px;
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(13, 93, 97, 1), rgba(209, 140, 59, 0.92));
    box-shadow: 0 0 0 6px rgba(13, 93, 97, 0.08);
}

.analysis-trend-subtitle {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.7;
}

.analysis-trend-modal-body {
    padding: 22px 26px 26px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.analysis-trend-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.analysis-trend-tag {
    display: inline-flex;
    align-items: center;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(13, 93, 97, 0.08);
    border: 1px solid rgba(13, 93, 97, 0.12);
    color: var(--primary-color);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.03em;
}

.analysis-trend-tag.subtle {
    background: rgba(23, 35, 45, 0.05);
    border-color: rgba(23, 35, 45, 0.08);
    color: var(--text-secondary);
}

.analysis-trend-state {
    min-height: 336px;
    border-radius: 22px;
    border: 1px dashed rgba(13, 93, 97, 0.14);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(248, 250, 252, 0.82)),
        radial-gradient(circle at top right, rgba(13, 93, 97, 0.08), transparent 38%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--text-secondary);
    line-height: 1.8;
    padding: 24px;
}

.analysis-trend-state.hidden {
    display: none;
}

.analysis-trend-state.loading {
    color: var(--primary-color);
}

.analysis-trend-state.error {
    color: #b45309;
}

.analysis-trend-chart-shell {
    min-height: 336px;
    border-radius: 22px;
    padding: 16px 18px 12px;
    border: 1px solid rgba(13, 93, 97, 0.12);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(247, 250, 252, 0.92)),
        radial-gradient(circle at top left, rgba(13, 93, 97, 0.06), transparent 34%);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.62);
}

.analysis-trend-chart-shell.hidden {
    display: none;
}

.analysis-trend-chart-shell canvas {
    width: 100% !important;
    height: 308px !important;
}

[data-theme="dark"] .analysis-card {
    background: var(--card-bg);
    border-color: var(--card-border);
}

[data-theme="dark"] .analysis-card-header {
    border-bottom-color: rgba(255, 255, 255, 0.08);
    background:
        linear-gradient(135deg, rgba(83, 184, 179, 0.1), rgba(209, 140, 59, 0.06)),
        rgba(255, 255, 255, 0.03);
}

[data-theme="dark"] .analysis-compare-panel {
    border-top-color: rgba(255, 255, 255, 0.08);
    background:
        linear-gradient(180deg, rgba(83, 184, 179, 0.04), rgba(255, 255, 255, 0)),
        rgba(255, 255, 255, 0.02);
}

[data-theme="dark"] .analysis-compare-summary,
[data-theme="dark"] .analysis-compare-chip,
[data-theme="dark"] .analysis-compare-toggle,
[data-theme="dark"] .analysis-compare-select,
[data-theme="dark"] .analysis-compare-search-shell,
[data-theme="dark"] .analysis-compare-metric-pill {
    background: rgba(15, 23, 42, 0.44);
    border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .analysis-compare-card,
[data-theme="dark"] .analysis-compare-options {
    background:
        linear-gradient(180deg, rgba(15, 23, 42, 0.84), rgba(15, 23, 42, 0.92)),
        radial-gradient(circle at top left, rgba(83, 184, 179, 0.08), transparent 34%);
    border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .analysis-compare-card-header,
[data-theme="dark"] .analysis-compare-matrix-table th,
[data-theme="dark"] .analysis-compare-matrix-table th,
[data-theme="dark"] .analysis-compare-matrix-table td {
    border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .analysis-compare-empty {
    background:
        linear-gradient(180deg, rgba(15, 23, 42, 0.74), rgba(15, 23, 42, 0.88)),
        radial-gradient(circle at top right, rgba(83, 184, 179, 0.08), transparent 36%);
    border-color: rgba(83, 184, 179, 0.14);
}

[data-theme="dark"] .analysis-compare-message {
    color: #f7c39a;
}

[data-theme="dark"] .analysis-compare-matrix-table tbody tr:hover td {
    background: rgba(83, 184, 179, 0.06);
}

[data-theme="dark"] .analysis-search-trigger {
    color: #b4ece9;
}

@media (max-width: 980px) {
    .analysis-compare-header,
    .analysis-compare-card-header,
    .analysis-card-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .analysis-compare-summary {
        white-space: normal;
        justify-content: flex-start;
    }

    .analysis-compare-header-actions {
        width: 100%;
        justify-content: flex-start;
    }

    .analysis-compare-toolbar,
    .analysis-compare-selection {
        flex-direction: column;
        align-items: stretch;
    }

    .analysis-compare-toolbar-group,
    .analysis-compare-search-block {
        width: 100%;
        min-width: 0;
    }

    .analysis-compare-options {
        width: 100%;
    }

    .analysis-compare-metric-pills {
        justify-content: flex-start;
    }
}

[data-theme="dark"] .analysis-basis-note,
[data-theme="dark"] .analysis-row-btn {
    background: rgba(83, 184, 179, 0.12);
    border-color: rgba(83, 184, 179, 0.18);
}

[data-theme="dark"] .analysis-action-btn {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.08);
    color: var(--primary-color);
}

[data-theme="dark"] .analysis-table th {
    background: #152129;
}

[data-theme="dark"] .analysis-table th,
[data-theme="dark"] .analysis-table td {
    border-bottom-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .analysis-table tbody tr:hover {
    background: rgba(83, 184, 179, 0.06);
}

[data-theme="dark"] .analysis-row-btn.active {
    box-shadow: 0 14px 26px rgba(83, 184, 179, 0.18);
}

[data-theme="dark"] .analysis-parent-row.expanded td {
    background: rgba(83, 184, 179, 0.06);
}

[data-theme="dark"] .analysis-child-row td {
    background: rgba(83, 184, 179, 0.03);
}

[data-theme="dark"] .analysis-child-row:hover td {
    background: rgba(83, 184, 179, 0.07);
}

[data-theme="dark"] .analysis-child-name-inner::before {
    background: rgba(110, 231, 212, 0.28);
    box-shadow: 0 0 0 4px rgba(83, 184, 179, 0.08);
}

[data-theme="dark"] .analysis-value-btn:hover:not(:disabled) .analysis-cell-main,
[data-theme="dark"] .analysis-value-btn:focus-visible .analysis-cell-main,
[data-theme="dark"] .analysis-trend-kicker,
[data-theme="dark"] .analysis-trend-tag {
    color: #6ee7d4;
}

[data-theme="dark"] .analysis-trend-modal {
    background: rgba(5, 10, 18, 0.72);
}

[data-theme="dark"] .analysis-trend-modal-content {
    border-color: rgba(83, 184, 179, 0.18);
    background:
        linear-gradient(180deg, rgba(15, 23, 42, 0.96), rgba(9, 16, 30, 0.94)),
        radial-gradient(circle at top right, rgba(83, 184, 179, 0.12), transparent 32%),
        radial-gradient(circle at bottom left, rgba(209, 140, 59, 0.12), transparent 28%);
    box-shadow: 0 38px 100px rgba(0, 0, 0, 0.45);
}

[data-theme="dark"] .analysis-trend-modal-header {
    background:
        linear-gradient(135deg, rgba(83, 184, 179, 0.12), rgba(209, 140, 59, 0.09)),
        rgba(255, 255, 255, 0.02);
}

[data-theme="dark"] .analysis-trend-subtitle,
[data-theme="dark"] .analysis-trend-tag.subtle,
[data-theme="dark"] .analysis-trend-state {
    color: rgba(226, 232, 240, 0.82);
}

[data-theme="dark"] .analysis-trend-tag {
    background: rgba(83, 184, 179, 0.12);
    border-color: rgba(83, 184, 179, 0.18);
}

[data-theme="dark"] .analysis-trend-tag.subtle {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .analysis-trend-state {
    border-color: rgba(83, 184, 179, 0.16);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015)),
        radial-gradient(circle at top right, rgba(83, 184, 179, 0.1), transparent 38%);
}

[data-theme="dark"] .analysis-trend-chart-shell {
    border-color: rgba(83, 184, 179, 0.16);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.015)),
        radial-gradient(circle at top left, rgba(83, 184, 179, 0.1), transparent 34%);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

/* 响应式设计 */
@media (max-width: 768px) {
    header h1 {
        font-size: 1.8em;
    }

    .dashboard-header {
        flex-direction: column;
        gap: 20px;
    }

    .filters-dock {
        top: 8px;
        padding-bottom: 12px;
    }

    .filters {
        margin: 0 16px;
        grid-template-columns: 1fr;
    }

    .filter-basis-group {
        width: 100%;
        margin-left: 0;
        justify-content: space-between;
    }

    .cost-basis-toggle {
        width: 100%;
        justify-content: space-between;
    }

    .cost-basis-btn {
        flex: 1;
        text-align: center;
    }

    .charts-container {
        grid-template-columns: 1fr;
    }

    .chart-card-wide {
        grid-column: span 1;
    }

    .chart-card-solo {
        grid-column: span 1;
    }

    .chart-container {
        height: 280px;
        min-height: 280px;
    }

    .analysis-panels {
        padding: 0 16px 28px;
    }

    .analysis-card-header {
        flex-direction: column;
        align-items: stretch;
    }

    .analysis-trend-modal-content {
        width: calc(100vw - 20px);
        border-radius: 22px;
    }

    .analysis-trend-modal-header,
    .analysis-trend-modal-body {
        padding-left: 18px;
        padding-right: 18px;
    }

    .analysis-trend-chart-shell,
    .analysis-trend-state {
        min-height: 280px;
    }

    .analysis-trend-chart-shell canvas {
        height: 248px !important;
    }

    .form-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }
}

/* 数据表格样式 */
.data-table-container {
    padding: 30px 40px;
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.data-table th {
    background: linear-gradient(135deg, var(--primary-color), #2f7880);
    color: white;
    padding: 15px;
    text-align: left;
    font-weight: 600;
}

.data-table td {
    padding: 12px 15px;
    border-bottom: 1px solid #dee2e6;
}

.data-table tr:hover {
    background: #f8f9fa;
}

.data-table tr:last-child td {
    border-bottom: none;
}

/* ========== 统一上传页面样式 ========== */

/* 页面头部 */
.page-header {
    margin: 28px 40px 0;
    padding: 30px 34px;
    text-align: center;
    color: var(--text-inverse);
    border-radius: 28px;
    border: 1px solid rgba(255, 255, 255, 0.58);
    background:
        radial-gradient(circle at top right, rgba(243, 197, 126, 0.16), transparent 32%),
        linear-gradient(135deg, rgba(10, 54, 58, 0.94), rgba(20, 34, 44, 0.92));
    box-shadow: 0 28px 70px rgba(37, 28, 18, 0.18);
}

.page-header .back-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    display: inline-block;
    margin-bottom: 15px;
    transition: color 0.2s;
}

.page-header .back-link:hover {
    color: white;
}

.page-header h1 {
    margin: 0 0 10px 0;
    font-size: 2em;
}

.page-header .subtitle {
    margin: 0;
    opacity: 0.9;
}

/* 错误提示容器 */
.error-container {
    margin: 20px 40px;
    padding: 20px 22px;
    background: rgba(180, 77, 66, 0.08);
    border: 1px solid rgba(180, 77, 66, 0.18);
    border-left: 4px solid var(--danger-color);
    border-radius: 18px;
    box-shadow: 0 14px 34px rgba(85, 38, 32, 0.08);
}

.error-container.hidden {
    display: none;
}

.error-header {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    color: #c53030;
    margin-bottom: 10px;
}

.error-list {
    margin: 0;
    padding-left: 30px;
    color: #742a2a;
}

.error-list li {
    margin: 5px 0;
}

/* 渠道上传卡片 */
.upload-channel-card {
    margin: 20px 40px;
    overflow: hidden;
    position: relative;
    isolation: isolate;
    border-radius: 24px;
}

.channel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    padding: 24px 26px 20px;
    background:
        linear-gradient(135deg, rgba(13, 93, 97, 0.07), rgba(209, 140, 59, 0.04)),
        rgba(255, 255, 255, 0.24);
    border-bottom: 1px solid rgba(23, 35, 45, 0.08);
    position: relative;
}

.channel-header::after {
    content: '';
    position: absolute;
    left: 26px;
    right: 26px;
    bottom: 0;
    height: 1px;
    background: linear-gradient(90deg, rgba(13, 93, 97, 0.22), rgba(209, 140, 59, 0.08), transparent);
}

.channel-title {
    display: flex;
    align-items: center;
    gap: 14px;
}

.channel-icon {
    font-size: 1.5em;
}

.channel-title h2 {
    margin: 0;
    font-size: 1.48rem;
    line-height: 1.08;
    color: var(--text-primary);
}

.channel-category {
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: rgba(13, 93, 97, 0.08);
    padding: 5px 11px;
    border-radius: 20px;
    border: 1px solid rgba(13, 93, 97, 0.12);
}

/* 状态徽章 */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 13px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    border: 1px solid transparent;
    text-transform: uppercase;
}

.status-waiting {
    background: rgba(23, 35, 45, 0.06);
    color: var(--text-secondary);
    border-color: rgba(23, 35, 45, 0.08);
}

.status-success {
    background: rgba(31, 147, 101, 0.12);
    color: #166346;
    border-color: rgba(31, 147, 101, 0.18);
}

.status-warning {
    background: rgba(186, 124, 36, 0.14);
    color: #8b5b16;
    border-color: rgba(186, 124, 36, 0.18);
}

.status-error {
    background: rgba(180, 77, 66, 0.12);
    color: var(--danger-color);
    border-color: rgba(180, 77, 66, 0.18);
}

.status-info {
    background: rgba(13, 93, 97, 0.12);
    color: var(--primary-color);
    border-color: rgba(13, 93, 97, 0.18);
}

/* 渠道内容 */
.channel-content {
    padding: 24px 26px 26px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

@media (max-width: 900px) {
    .channel-content {
        grid-template-columns: 1fr;
    }
}

/* 数据区域 */
.data-section {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.42), rgba(255, 255, 255, 0.2));
    padding: 20px;
    border-radius: 18px;
    border: 1px solid rgba(23, 35, 45, 0.08);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.section-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.98rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 30px 40px 15px 40px;
    padding: 0;
    letter-spacing: 0.01em;
}

.section-title::after {
    content: '';
    flex: 1;
    min-width: 48px;
    height: 1px;
    background: linear-gradient(90deg, rgba(13, 93, 97, 0.28), rgba(209, 140, 59, 0.12), transparent);
}

.section-title-with-actions {
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.section-title-with-actions::after {
    display: none;
}

.cost-basis-toggle {
    display: inline-flex;
    align-items: center;
    padding: 4px;
    border-radius: 999px;
    background: rgba(248, 250, 252, 0.88);
    border: 1px solid rgba(23, 35, 45, 0.08);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.cost-basis-btn {
    border: 0;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-weight: 700;
    padding: 8px 14px;
    border-radius: 999px;
    cursor: pointer;
}

.cost-basis-btn:hover {
    color: var(--primary-color);
    background: var(--bg-primary);
}

.cost-basis-btn.active,
.cost-basis-btn.active:hover {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: var(--text-inverse);
    box-shadow: 0 10px 22px var(--ring-color), inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.section-icon {
    font-size: 1.1em;
}

/* 上传项 */
.upload-items {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.upload-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.upload-label {
    flex: 0 0 120px;
    font-size: 0.84rem;
    color: var(--text-secondary);
    font-weight: 700;
    letter-spacing: 0.03em;
}

.upload-input-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
}

.upload-input-wrapper .file-input {
    display: none;
}

.upload-input-wrapper .file-label {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 14px;
    background: rgba(255, 255, 255, 0.66);
    border: 1px solid rgba(23, 35, 45, 0.12);
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.58);
}

.upload-input-wrapper .file-label:hover {
    border-color: rgba(13, 93, 97, 0.32);
    background: rgba(255, 255, 255, 0.92);
    transform: translateY(-1px);
}

.file-button {
    flex-shrink: 0;
    padding: 7px 12px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 999px;
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    box-shadow: 0 10px 20px rgba(13, 93, 97, 0.18);
}

.file-name {
    flex: 1;
    font-size: 0.9em;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    background: transparent;
    padding: 0;
    margin: 0;
    text-align: left;
    border-radius: 0;
}

.file-name.has-file {
    color: var(--success-color);
    font-weight: 500;
}

.clear-button {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fee2e2;
    color: #dc2626;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9em;
    transition: background 0.2s;
}

.clear-button:hover {
    background: #fecaca;
}

.clear-button.hidden {
    display: none;
}

/* 上传操作按钮 */
.upload-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
    padding: 24px 40px 44px;
}

.btn-large {
    padding: 16px 50px;
    font-size: 1.1em;
}

/* 进度弹窗 */
.progress-modal {
    padding: 40px;
    text-align: center;
}

.progress-modal h3 {
    margin: 0 0 25px 0;
    font-size: 1.3em;
}

.progress-bar-container {
    height: 8px;
    background: #e2e8f0;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 15px;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 4px;
    transition: width 0.3s ease;
    width: 0%;
}

#progressText {
    color: #64748b;
    margin-bottom: 20px;
}

.progress-details {
    text-align: left;
}

.progress-channel {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid #e2e8f0;
    font-size: 0.9em;
}

.progress-channel:last-child {
    border-bottom: none;
}

/* 结果弹窗 */
.result-modal {
    padding: 40px;
    text-align: center;
}

.result-icon {
    font-size: 4em;
    margin-bottom: 15px;
}

.result-icon.success {
    color: #22c55e;
}

.result-icon.error {
    color: #ef4444;
}

.result-modal h3 {
    margin: 0 0 20px 0;
    font-size: 1.4em;
}

.result-content {
    margin-bottom: 25px;
}

.result-summary {
    text-align: left;
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 15px;
    margin: 8px 0;
    border-radius: 8px;
}

.result-item.success {
    background: #dcfce7;
}

.result-item.error {
    background: #fee2e2;
}

.result-channel {
    font-weight: 500;
}

.result-status {
    font-size: 0.9em;
}

.error-message {
    color: #dc2626;
    font-size: 1em;
    margin: 0;
}

.modal-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
}

/* 首页项目卡片样式优化 */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
    padding: 28px 40px 44px;
}

.project-card {
    border-radius: 24px;
    padding: 28px 26px;
    text-align: left;
    box-shadow: 0 18px 38px rgba(52, 37, 17, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s, border-color 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.78);
    color: var(--text-primary);
    position: relative;
    overflow: hidden;
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 26px 52px rgba(52, 37, 17, 0.16);
    border-color: rgba(13, 93, 97, 0.16);
}

.project-card.disabled {
    opacity: 0.72;
}

.project-card.summary-card {
    background:
        radial-gradient(circle at top right, rgba(243, 197, 126, 0.22), transparent 28%),
        linear-gradient(135deg, rgba(10, 54, 58, 0.96), rgba(17, 29, 36, 0.94));
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.project-card.summary-card .project-desc {
    color: rgba(255, 247, 237, 0.76);
}

.project-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(135deg, rgba(13, 93, 97, 0.08), transparent 34%),
        radial-gradient(circle at bottom right, rgba(209, 140, 59, 0.12), transparent 28%);
    pointer-events: none;
}

.project-card > * {
    position: relative;
    z-index: 1;
}

.project-icon {
    width: 62px;
    height: 62px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.9rem;
    margin-bottom: 18px;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(13, 93, 97, 0.16), rgba(209, 140, 59, 0.16));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.42);
}

.project-card h2 {
    margin: 0 0 10px 0;
    font-size: 1.6rem;
    line-height: 1.08;
}

.project-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin: 0 0 18px 0;
    min-height: 3em;
}

.project-status {
    margin-bottom: 22px;
}

.project-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-disabled {
    background: rgba(23, 35, 45, 0.08);
    color: var(--text-muted);
    cursor: not-allowed;
}

/* 首页页脚 */
.main-footer {
    margin: 0 40px 40px;
    padding: 22px 24px;
    background: rgba(255, 255, 255, 0.45);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.62);
    border-radius: 22px;
    color: var(--text-secondary);
    box-shadow: var(--shadow-small);
}

.footer-actions {
    margin-bottom: 10px;
}

.footer-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.footer-link:hover {
    text-decoration: underline;
}

.main-header {
    padding: 52px 40px 12px;
    text-align: center;
}

.main-header h1 {
    margin: 0 0 14px 0;
    font-size: clamp(2.4rem, 3.2vw, 4rem);
    line-height: 0.98;
    letter-spacing: -0.04em;
}

.main-header .subtitle {
    margin: 0;
    max-width: 38rem;
    margin-inline: auto;
    color: var(--text-secondary);
    font-size: 1rem;
}

/* ========== Settings Page Styles ========== */
.settings-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    background:
        radial-gradient(circle at top right, rgba(243, 197, 126, 0.16), transparent 30%),
        linear-gradient(135deg, rgba(10, 54, 58, 0.94), rgba(20, 34, 44, 0.92));
    color: white;
    border-radius: 12px;
    margin-bottom: 30px;
}

.settings-header h1 {
    margin: 0;
    font-size: 1.8rem;
}

.settings-header .back-btn {
    color: white;
    text-decoration: none;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    transition: background 0.3s;
}

.settings-header .back-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.settings-main {
    padding: 0 20px;
}

.settings-section {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: var(--shadow-small);
}

.settings-section h2 {
    margin: 0 0 15px 0;
    font-size: 1.3rem;
    color: var(--text-primary);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.section-header h2 {
    margin: 0;
}

.section-hint {
    font-size: 0.85rem;
    color: #888;
}

.section-desc {
    color: #666;
    margin-bottom: 20px;
}

.config-selector {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 15px;
}

.config-selector label {
    font-weight: 500;
}

.config-selector select {
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    min-width: 200px;
}

.config-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* Metrics Config List */
.metrics-config-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.config-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 15px;
    background: var(--bg-section);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all 0.2s;
    color: var(--text-primary);
}

.config-item:hover {
    background: var(--bg-hover);
    border-color: var(--primary-color);
}

.config-item.disabled {
    opacity: 0.6;
}

.config-item.dragging {
    opacity: 0.5;
    border: 2px dashed var(--primary-color);
}

.config-item.drag-over {
    border-color: var(--primary-color);
    background: var(--bg-hover);
}

.config-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-right: 10px;
    cursor: pointer;
}

.config-item-left {
    display: flex;
    align-items: center;
    gap: 15px;
    flex: 1;
}

.config-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.drag-handle {
    cursor: grab;
    color: #999;
    font-size: 14px;
}

.card-name {
    font-weight: 500;
    color: #333;
}

.color-badge {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
}

.config-field {
    font-size: 0.85rem;
    color: #888;
    font-family: monospace;
    background: #e8eafc;
    padding: 2px 8px;
    border-radius: 4px;
}

.config-item-actions {
    display: flex;
    gap: 8px;
}

.btn-icon {
    padding: 6px 10px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    background: transparent;
    transition: background 0.2s;
}

.btn-icon:hover {
    background: rgba(0, 0, 0, 0.1);
}

.btn-add-metric {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    border: 2px dashed #ddd;
    border-radius: 8px;
    background: transparent;
    color: #888;
    cursor: pointer;
    transition: all 0.2s;
    width: 100%;
}

.btn-add-metric:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: rgba(13, 93, 97, 0.05);
}

.btn-add-metric span {
    font-size: 18px;
    font-weight: bold;
}

.metric-info {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 15px;
}

.metric-name {
    font-weight: 500;
    color: #333;
    min-width: 120px;
}

.metric-type {
    font-size: 0.8rem;
    padding: 2px 8px;
    border-radius: 4px;
    background: rgba(13, 93, 97, 0.1);
    color: var(--primary-color);
}

.metric-formula {
    font-size: 0.8rem;
    color: #888;
    font-family: monospace;
}

.metric-actions {
    display: flex;
    gap: 8px;
}

.metric-actions button {
    padding: 6px 10px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    background: transparent;
    transition: background 0.2s;
}

.metric-actions button:hover {
    background: rgba(0, 0, 0, 0.1);
}

.metric-actions .edit-btn {
    color: var(--primary-color);
}

.metric-actions .delete-btn {
    color: #e74c3c;
}

/* Settings Actions */
.settings-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    padding: 20px 0;
}

/* Modal Overlay */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    max-height: 85vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid #eee;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.2rem;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #888;
    padding: 0;
    line-height: 1;
}

.modal-close:hover {
    color: #333;
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 20px;
    border-top: 1px solid #eee;
}

/* Form Groups */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #333;
}

.form-group .required {
    color: #e74c3c;
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(13, 93, 97, 0.12);
}

.form-row {
    display: flex;
    gap: 15px;
}

.form-group.half {
    flex: 1;
}

/* Formula Help */
.formula-help {
    margin-top: 10px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 6px;
}

.formula-help p {
    margin: 0 0 10px 0;
    font-size: 0.9rem;
    color: #666;
}

.field-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.field-btn {
    padding: 5px 10px;
    font-size: 0.8rem;
    background: rgba(13, 93, 97, 0.1);
    border: none;
    border-radius: 4px;
    color: var(--primary-color);
    cursor: pointer;
    transition: background 0.2s;
}

.field-btn:hover {
    background: rgba(13, 93, 97, 0.18);
}

.formula-hint {
    font-size: 0.8rem;
    color: #888;
    margin: 10px 0 0 0 !important;
}

/* Color Picker */
.color-picker-row {
    display: flex;
    align-items: center;
    gap: 15px;
}

.color-picker-row input[type="color"] {
    width: 50px;
    height: 40px;
    padding: 0;
    border: 2px solid #ddd;
    border-radius: 6px;
    cursor: pointer;
}

.color-presets {
    display: flex;
    gap: 8px;
}

.color-preset {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform 0.2s;
}

.color-preset:hover {
    transform: scale(1.1);
}

/* ========== Dark Mode Enhancements ========== */

/* Premium card effects in dark mode - 玻璃态效果 */
[data-theme="dark"] .metric-card,
[data-theme="dark"] .chart-card,
[data-theme="dark"] .project-card:not(.summary-card),
[data-theme="dark"] .upload-channel-card,
[data-theme="dark"] .settings-section {
    background: var(--card-bg);
    -webkit-backdrop-filter: var(--glass-backdrop);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--card-border);
}

[data-theme="dark"] .metric-card:hover,
[data-theme="dark"] .chart-card:hover,
[data-theme="dark"] .project-card:not(.summary-card):hover {
    border-color: rgba(0, 240, 255, 0.25);
    box-shadow: 0 4px 20px rgba(0, 200, 255, 0.1);
    transform: translateY(-2px);
}

/* Filters section dark mode */
[data-theme="dark"] .filters {
    background: var(--card-bg);
    border-color: var(--card-border);
    box-shadow: var(--card-shadow);
}

[data-theme="dark"] .filter-group label {
    color: var(--text-secondary);
}

[data-theme="dark"] .filter-group select,
[data-theme="dark"] .filter-group input {
    background: var(--bg-input);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .filter-group select:focus,
[data-theme="dark"] .filter-group input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--ring-color);
}

/* Modal dark mode */
[data-theme="dark"] .modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .modal-header,
[data-theme="dark"] .modal-footer {
    background: var(--bg-section);
    border-color: var(--border-color);
}

/* Data section dark mode */
[data-theme="dark"] .data-section {
    background: var(--bg-section);
}

[data-theme="dark"] .section-title {
    color: var(--text-secondary);
    border-bottom-color: var(--border-color);
}

[data-theme="dark"] .cost-basis-toggle {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.12);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

[data-theme="dark"] .cost-basis-btn {
    color: rgba(255, 255, 255, 0.72);
}

[data-theme="dark"] .cost-basis-btn:hover {
    color: #fff;
    background: rgba(83, 184, 179, 0.14);
}

[data-theme="dark"] .cost-basis-btn.active,
[data-theme="dark"] .cost-basis-btn.active:hover {
    color: var(--text-inverse);
    box-shadow:
        0 12px 28px rgba(0, 0, 0, 0.26),
        0 0 0 1px rgba(255, 255, 255, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

/* Channel header dark mode */
[data-theme="dark"] .channel-header {
    background: linear-gradient(135deg, var(--bg-section) 0%, var(--bg-elevated) 100%);
    border-bottom-color: var(--border-color);
}

/* File label dark mode */
[data-theme="dark"] .upload-input-wrapper .file-label {
    background: var(--bg-input);
    border-color: var(--border-color);
}

[data-theme="dark"] .upload-input-wrapper .file-label:hover {
    border-color: var(--primary-color);
    background: var(--bg-hover);
}

/* Custom scrollbar for dark mode */
[data-theme="dark"] ::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

[data-theme="dark"] ::-webkit-scrollbar-track {
    background: transparent;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background-color: rgba(83, 184, 179, 0.3);
    border-radius: 20px;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background-color: rgba(83, 184, 179, 0.5);
}

/* Form inputs dark mode */
[data-theme="dark"] .form-group input[type="text"],
[data-theme="dark"] .form-group input[type="number"],
[data-theme="dark"] .form-group select {
    background: var(--bg-input);
    border-color: var(--border-color);
    color: var(--text-primary);
}

/* Data table dark mode */
[data-theme="dark"] .data-table {
    background: var(--bg-card);
}

[data-theme="dark"] .data-table th {
    background: var(--primary-color);
}

[data-theme="dark"] .data-table td {
    border-bottom-color: var(--border-color);
}

[data-theme="dark"] .data-table tr:hover {
    background: var(--bg-hover);
}

/* Config items dark mode */
[data-theme="dark"] .config-item {
    background: var(--bg-section);
    border-color: var(--border-color);
}

[data-theme="dark"] .config-item:hover {
    background: var(--bg-hover);
    border-color: var(--primary-color);
}

/* ========== 侧边栏布局 ========== */

/* 侧边栏变量 */
:root {
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 64px;
    --sidebar-bg:
        radial-gradient(circle at top left, rgba(243, 197, 126, 0.08), transparent 28%),
        linear-gradient(180deg, rgba(17, 28, 35, 0.98), rgba(10, 18, 23, 0.98));
    --sidebar-header-bg: linear-gradient(135deg, rgba(83, 184, 179, 0.16), rgba(209, 140, 59, 0.16));
    --menu-item-hover: rgba(255, 255, 255, 0.08);
    --menu-item-active-bg: rgba(83, 184, 179, 0.12);
    --menu-item-active-border: var(--primary-color);
}

[data-theme="dark"] {
    --sidebar-bg: var(--bg-elevated);
    --menu-item-hover: rgba(255, 255, 255, 0.08);
    --menu-item-active-bg: rgba(83, 184, 179, 0.16);
}

/* 应用布局容器 */
.app-layout {
    display: flex;
    min-height: 100vh;
    background: transparent;
}

/* 侧边栏 - 统一样式 */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--sidebar-bg);
    -webkit-backdrop-filter: var(--glass-backdrop, saturate(180%) blur(20px));
    backdrop-filter: var(--glass-backdrop, saturate(180%) blur(20px));
    border-right: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    flex-direction: column;
    transition: width 0.3s ease, transform 0.3s ease;
    z-index: 100;
    box-shadow: 20px 0 44px rgba(5, 11, 16, 0.16);
    overflow: hidden;
}

.sidebar.collapsed {
    transform: translateX(-100%);
    width: var(--sidebar-width);
}

.sidebar::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 14% 12%, rgba(83, 184, 179, 0.18), transparent 24%),
        radial-gradient(circle at 82% 90%, rgba(209, 140, 59, 0.14), transparent 28%);
    pointer-events: none;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 24px 20px 18px;
    position: relative;
    z-index: 1;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-brand-mark {
    width: 48px;
    height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    background:
        radial-gradient(circle at top left, rgba(243, 197, 126, 0.32), transparent 36%),
        linear-gradient(135deg, rgba(83, 184, 179, 0.24), rgba(255, 255, 255, 0.08));
    color: #fff8ef;
    font-size: 0.95rem;
    font-weight: 800;
    letter-spacing: 0.18em;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 16px 28px rgba(0, 0, 0, 0.16);
}

.sidebar-brand-copy {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.sidebar-brand-copy strong {
    color: #fff8ef;
    font-size: 1.1rem;
    letter-spacing: -0.02em;
}

.sidebar-brand-copy span {
    color: rgba(255, 248, 239, 0.6);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

/* 导航菜单 - 垂直居中 */
.sidebar-nav {
    flex: 1;
    padding: 18px 0 22px;
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    position: relative;
    z-index: 1;
}

/* 菜单项 - SAAS VINTSY 风格 */
.menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 16px;
    margin: 3px 14px;
    color: rgba(255, 248, 239, 0.68);
    text-decoration: none;
    transition: all 0.2s ease;
    border: 1px solid rgba(255, 255, 255, 0.02);
    background: transparent;
    width: calc(100% - 28px);
    text-align: left;
    cursor: pointer;
    font-size: 0.9375rem;
    border-radius: 1rem;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02);
}

.menu-item:hover {
    background: var(--menu-item-hover);
    color: #fff8ef;
    border-color: rgba(255, 255, 255, 0.08);
    transform: translateX(2px);
}

.menu-item.active {
    background: linear-gradient(135deg, rgba(83, 184, 179, 0.16), rgba(209, 140, 59, 0.14));
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #fffaf2;
    font-weight: 600;
    box-shadow: 0 12px 22px rgba(0, 0, 0, 0.16);
}

[data-theme="dark"] .menu-item.active {
    background: linear-gradient(135deg, rgba(83, 184, 179, 0.16), rgba(209, 140, 59, 0.14));
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.menu-icon {
    font-size: 1.25em;
    flex-shrink: 0;
    width: 20px;
    text-align: center;
}

.menu-text {
    white-space: nowrap;
    overflow: hidden;
    flex: 1;
    text-align: left;
}

.sidebar.collapsed .menu-text {
    opacity: 0;
    width: 0;
}

.menu-arrow {
    margin-left: auto;
    font-size: 0.75em;
    color: rgba(255, 248, 239, 0.4);
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.sidebar.collapsed .menu-arrow {
    opacity: 0;
}

/* 菜单组 */
.menu-group {
    position: relative;
}

.menu-toggle {
    font-family: inherit;
}

/* 子菜单 - SAAS VINTSY 风格 */
.submenu {
    max-height: 0;
    overflow: hidden;
    background: transparent;
    transition: max-height 0.3s ease;
    padding-left: 14px;
}

.submenu.expanded {
    max-height: 500px;
}

.submenu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px 8px 32px;
    margin: 2px 14px 2px 0;
    color: rgba(255, 248, 239, 0.56);
    text-decoration: none;
    transition: all 0.2s ease;
    font-size: 0.875rem;
    border-radius: 0.85rem;
    border: 1px solid transparent;
}

.submenu-item:hover {
    background: var(--menu-item-hover);
    color: #fff7ed;
}

.submenu-item.active {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fffaf2;
    font-weight: 600;
}

[data-theme="dark"] .submenu-item.active {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.submenu-icon {
    font-size: 1em;
    flex-shrink: 0;
}

.sidebar.collapsed .submenu {
    position: absolute;
    left: var(--sidebar-collapsed-width);
    top: 0;
    width: 200px;
    background: linear-gradient(180deg, rgba(17, 28, 35, 0.98), rgba(10, 18, 23, 0.98));
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    box-shadow: var(--shadow-card);
    max-height: 0;
    opacity: 0;
    visibility: hidden;
}

.sidebar.collapsed .menu-group:hover .submenu {
    max-height: 500px;
    opacity: 1;
    visibility: visible;
}

.sidebar.collapsed .submenu-item {
    padding-left: 16px;
}

/* 折叠按钮 */
.sidebar-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    background: rgba(255, 255, 255, 0.03);
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    cursor: pointer;
    transition: all 0.2s ease;
    color: rgba(255, 248, 239, 0.64);
}

.sidebar-toggle:hover {
    background: var(--menu-item-hover);
    color: #fff8ef;
}

.toggle-icon {
    font-size: 1em;
    transition: transform 0.3s ease;
}

/* 固定菜单按钮（侧边栏隐藏时显示） */
.sidebar-show-btn {
    position: fixed;
    left: 16px;
    top: 16px;
    width: 44px;
    height: 44px;
    border: none;
    background: var(--primary-color);
    border-radius: 0.75rem;
    cursor: pointer;
    color: white;
    z-index: 90;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 22px rgba(13, 93, 97, 0.28);
    opacity: 0;
    visibility: hidden;
    transform: translateX(-20px);
    transition: all 0.3s ease;
}

.sidebar-show-btn:hover {
    background: var(--primary-hover);
    box-shadow: 0 14px 28px rgba(13, 93, 97, 0.34);
}

.app-layout.sidebar-collapsed .sidebar-show-btn {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

/* 主内容区 */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    transition: margin-left 0.3s ease;
    background: transparent;
}

.app-layout.sidebar-collapsed .main-content {
    margin-left: 0;
}

/* 主内容区内的容器样式覆盖 */
.main-content>.container {
    max-width: 100%;
    margin: 0;
    border-radius: 0;
    min-height: 100vh;
    padding-bottom: 24px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(0);
    }

    .sidebar.collapsed {
        width: var(--sidebar-collapsed-width);
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        width: var(--sidebar-width);
    }

    .sidebar.mobile-open {
        transform: translateX(0);
    }

    .sidebar.collapsed {
        width: var(--sidebar-width);
        transform: translateX(-100%);
    }

    .main-content {
        margin-left: 0;
    }

    .app-layout.sidebar-collapsed .main-content {
        margin-left: 0;
    }

    /* 移动端菜单按钮 */
    .mobile-menu-btn {
        display: block;
        position: fixed;
        top: 20px;
        left: 20px;
        z-index: 101;
        padding: 12px;
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: 8px;
        cursor: pointer;
        box-shadow: var(--shadow-small);
    }

    /* 遮罩层 */
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 99;
    }

    .sidebar-overlay.active {
        display: block;
    }
}

/* 暗色模式下侧边栏样式 */
[data-theme="dark"] .sidebar {
    background:
        radial-gradient(circle at top left, rgba(243, 197, 126, 0.06), transparent 26%),
        linear-gradient(180deg, rgba(15, 24, 30, 0.98), rgba(10, 17, 22, 0.98));
    -webkit-backdrop-filter: var(--glass-backdrop);
    backdrop-filter: var(--glass-backdrop);
    border-right-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .submenu {
    background: var(--bg-section);
}

[data-theme="dark"] .sidebar-toggle {
    background: var(--bg-section);
    border-top-color: var(--border-color);
}

[data-theme="dark"] .sidebar.collapsed .submenu {
    background: var(--sidebar-bg);
    border-color: var(--border-color);
}