/* ==================== CSS 变量体系 ==================== */
:root {
    /* 主色调 - 玫瑰红 */
    --primary: #e11d48;
    --primary-light: #f43f5e;
    --primary-lighter: #fda4af;
    --primary-dark: #be123c;
    --primary-darker: #9f1239;
    --primary-bg: rgba(225, 29, 72, 0.07);
    --primary-bg-hover: rgba(225, 29, 72, 0.12);
    --primary-gradient: linear-gradient(135deg, #e11d48 0%, #be123c 100%);
    --primary-gradient-light: linear-gradient(135deg, #f43f5e 0%, #e11d48 100%);

    /* 语义色 */
    --success: #16a34a;
    --success-light: #22c55e;
    --success-bg: rgba(22, 163, 74, 0.08);
    --success-bg-hover: rgba(22, 163, 74, 0.15);
    --success-border: rgba(22, 163, 74, 0.25);

    --warning: #d97706;
    --warning-light: #f59e0b;
    --warning-bg: rgba(217, 119, 6, 0.08);
    --warning-bg-hover: rgba(217, 119, 6, 0.15);
    --warning-border: rgba(217, 119, 6, 0.25);

    --danger: #dc2626;
    --danger-light: #ef4444;
    --danger-bg: rgba(220, 38, 38, 0.08);
    --danger-bg-hover: rgba(220, 38, 38, 0.15);
    --danger-border: rgba(220, 38, 38, 0.25);

    --info: #0284c7;
    --info-light: #0ea5e9;
    --info-bg: rgba(2, 132, 199, 0.08);

    /* 背景色 */
    --bg-body: #f0f2f5;
    --bg-card: #ffffff;
    --bg-elevated: #f8fafc;
    --bg-hover: #f1f5f9;
    --bg-active: #e2e8f0;
    --bg-code: #f1f5f9;

    /* 文字色 */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --text-placeholder: #cbd5e1;
    --text-on-primary: #ffffff;

    /* 边框色 */
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    --border-focus: var(--primary);
    --border-hover: #cbd5e1;

    /* 阴影 */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.1), 0 4px 8px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.12), 0 6px 12px rgba(0, 0, 0, 0.05);
    --shadow-primary: 0 4px 14px rgba(225, 29, 72, 0.25);
    --shadow-primary-hover: 0 6px 20px rgba(225, 29, 72, 0.35);

    /* 圆角 */
    --radius-xs: 4px;
    --radius-sm: 6px;
    --radius: 8px;
    --radius-md: 10px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 20px;
    --radius-full: 9999px;

    /* 字体大小 */
    --font-xs: 11px;
    --font-sm: 12px;
    --font-base: 13px;
    --font-md: 14px;
    --font-lg: 16px;
    --font-xl: 18px;
    --font-2xl: 20px;

    /* 间距 */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 12px;
    --space: 16px;
    --space-lg: 20px;
    --space-xl: 24px;
    --space-2xl: 32px;
    --space-3xl: 40px;

    /* 过渡动画 */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-spring: 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55);

    /* Header 高度 */
    --header-height: 60px;
    --tabs-height: 48px;
}

/* ==================== 全局重置 ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

*, *::before, *::after {
    /* box-sizing: inherit; */
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--bg-body);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: var(--font-base);
}

/* ==================== 选中色 ==================== */
::selection {
    background: var(--primary);
    color: white;
}

/* ==================== Header ==================== */
.header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 0 var(--space-xl);
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    background: rgba(255, 255, 255, 0.88);
    transition: box-shadow var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.3px;
    user-select: none;
}

.logo-icon {
    width: 34px;
    height: 34px;
    background: var(--primary-gradient);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
    box-shadow: 0 2px 8px rgba(225, 29, 72, 0.3);
    transition: transform var(--transition), box-shadow var(--transition);
}

.logo:hover .logo-icon {
    transform: scale(1.05) rotate(-5deg);
    box-shadow: 0 4px 14px rgba(225, 29, 72, 0.4);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
    position: relative;
}

.status-bar {
    display: flex;
    align-items: center;
    gap: 4px;
}

.status-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 10px;
    background: var(--bg-elevated);
    border-radius: var(--radius);
    font-size: var(--font-sm);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    user-select: none;
    cursor: pointer;
    border: 1px solid transparent;
}

.status-item:hover {
    background: var(--bg-hover);
    border-color: var(--border);
    transform: translateY(-1px);
}

.status-item:active {
    transform: translateY(0);
}

.status-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.status-label {
    color: var(--text-muted);
    font-size: var(--font-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.status-value {
    font-weight: 600;
    color: var(--text-primary);
}

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--text-muted);
    flex-shrink: 0;
    position: relative;
}

.status-dot.online {
    background: var(--success);
    box-shadow: 0 0 6px rgba(22, 163, 74, 0.5);
}

.status-dot.online::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 50%;
    border: 1.5px solid rgba(22, 163, 74, 0.3);
    animation: pulseRing 2s ease-in-out infinite;
}

@keyframes pulseRing {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 0; transform: scale(1.5); }
}

.status-dot.offline {
    background: var(--danger);
}

.status-dot.connecting {
    background: var(--warning);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.status-connected {
    color: var(--success);
    font-weight: 600;
}

.status-disconnected {
    color: var(--danger);
    font-weight: 600;
}

/* ==================== User Menu ==================== */
.user-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 10px;
    background: var(--bg-elevated);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    border: 1px solid transparent;
}

.user-menu:hover {
    background: var(--bg-hover);
    border-color: var(--border);
    transform: translateY(-1px);
}

.user-menu:active {
    transform: translateY(0);
}

.user-menu-arrow {
    font-size: 10px;
    color: var(--text-muted);
    transition: transform var(--transition);
    display: none;
}

.user-menu-arrow.open {
    transform: rotate(180deg);
}

.user-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 13px;
    font-weight: 600;
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(225, 29, 72, 0.2);
}

.user-name {
    font-size: var(--font-base);
    font-weight: 500;
    color: var(--text-primary);
}

/* ==================== User Dropdown ==================== */
.user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    min-width: 200px;
    z-index: 1000;
    overflow: hidden;
    animation: dropdownSlideIn 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes dropdownSlideIn {
    from {
        opacity: 0;
        transform: translateY(-8px) scale(0.96);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.user-dropdown.hidden {
    display: none;
}

.user-dropdown-header {
    padding: var(--space-md) var(--space);
    background: var(--bg-elevated);
}

.user-dropdown-name {
    font-size: var(--font-md);
    font-weight: 600;
    color: var(--text-primary);
}

.user-dropdown-role {
    font-size: var(--font-sm);
    color: var(--text-muted);
    margin-top: 2px;
}

.user-dropdown-divider {
    height: 1px;
    background: var(--border);
}

.user-dropdown-item {
    padding: 10px var(--space);
    font-size: var(--font-base);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all var(--transition-fast);
}

.user-dropdown-item:hover {
    background: var(--primary-bg);
    color: var(--primary);
}

.user-dropdown-item:active {
    background: var(--primary-bg-hover);
}

.user-dropdown-item i {
    width: 16px;
    text-align: center;
    font-size: 13px;
}

.mobile-only {
    display: none;
}

/* ==================== Tabs ==================== */
.tabs-container {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 0 var(--space-xl);
    position: sticky;
    top: var(--header-height);
    z-index: 90;
}

.tabs {
    display: flex;
    gap: 0;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.tabs::-webkit-scrollbar {
    display: none;
}

.tab {
    padding: 12px 20px;
    font-size: var(--font-base);
    font-weight: 500;
    color: var(--text-muted);
    background: none;
    border: none;
    border-bottom: 2.5px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 7px;
    white-space: nowrap;
    position: relative;
    user-select: none;
}

.tab::before {
    content: '';
    position: absolute;
    inset: 8px 12px;
    border-radius: var(--radius-sm);
    background: transparent;
    transition: background var(--transition-fast);
    z-index: -1;
}

.tab:hover {
    color: var(--primary);
}

.tab:hover::before {
    background: var(--primary-bg);
}

.tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    font-weight: 600;
}

.tab i {
    font-size: 14px;
}

/* ==================== Content ==================== */
.content {
    flex: 1;
    padding: var(--space-xl);
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.tab-content {
    display: none;
    animation: fadeInUp 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.tab-content.active {
    display: block;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

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

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==================== Cards ==================== */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: 20px;
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: box-shadow var(--transition), transform var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-elevated);
    gap: var(--space-md);
}

.card-title {
    font-size: var(--font-md);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
}

.card-title i {
    color: var(--primary);
    font-size: 15px;
}

.card-body {
    padding: 20px;
}

/* ==================== Rule Cards ==================== */
.rule-section {
    margin-bottom: 28px;
}

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

.rule-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.rule-section-title {
    font-size: 17px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.rule-badge {
    padding: 2px 10px;
    border-radius: var(--radius-full);
    font-size: var(--font-xs);
    font-weight: 600;
    letter-spacing: 0.3px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.rule-badge.sm {
    padding: 1px 8px;
    font-size: 10px;
}

.rule-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space);
}

.rule-item {
    background: var(--bg-elevated);
    border-radius: var(--radius);
    padding: 14px;
    transition: all var(--transition-fast);
    border: 1px solid var(--border-light);
}

.rule-item:hover {
    background: #fef2f2;
    border-color: rgba(225, 29, 72, 0.15);
    transform: translateY(-1px);
}

.rule-item label {
    display: block;
    font-size: var(--font-xs);
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.rule-item .value {
    font-size: var(--font-md);
    color: var(--text-primary);
    font-weight: 500;
}

.var-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.var-tag {
    display: inline-block;
    background: var(--primary-bg);
    color: var(--primary);
    padding: 3px 9px;
    border-radius: var(--radius-xs);
    font-size: var(--font-sm);
    margin: 1px;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: 'SF Mono', 'Consolas', 'Monaco', 'Fira Code', monospace;
    border: 1px solid transparent;
    user-select: none;
}

.var-tag:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(225, 29, 72, 0.3);
}

.var-tag:active {
    transform: scale(0.95);
}

.var-tag.copied {
    background: var(--success);
    color: white;
    border-color: var(--success);
    animation: copyPulse 0.4s ease;
}

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

.rule-item .value.empty {
    color: var(--text-muted);
    font-style: italic;
}

/* ==================== Form Elements ==================== */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space);
}

.form-group {
    margin-bottom: var(--space);
}

.form-group.disabled {
    opacity: 0.45;
    pointer-events: none;
}

.form-group.disabled .form-label {
    color: #999;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-label {
    display: block;
    font-size: var(--font-base);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.form-label .required {
    color: var(--danger);
    margin-left: 2px;
}

.form-hint {
    font-size: var(--font-sm);
    color: var(--text-muted);
    margin-top: 4px;
    line-height: 1.5;
}

.form-input {
    width: 100%;
    padding: 9px 12px;
    font-size: var(--font-base);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    color: var(--text-primary);
    transition: all var(--transition-fast);
    line-height: 1.5;
}

.form-input:hover {
    border-color: var(--border-hover);
}

.form-input:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.12);
    background: var(--bg-card);
}

.form-input::placeholder {
    color: var(--text-placeholder);
}

.form-input:disabled {
    background: var(--bg-elevated);
    color: var(--text-muted);
    cursor: not-allowed;
}

textarea.form-input {
    resize: vertical;
    min-height: 72px;
    font-family: inherit;
    line-height: 1.6;
}

/* ==================== Tag Input ==================== */
.tag-input {
    width: 100%;
    padding: 6px 8px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    min-height: 40px;
    align-items: center;
    transition: all var(--transition-fast);
}

.tag-input:hover {
    border-color: var(--border-hover);
}

.tag-input:focus-within {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.12);
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 8px;
    background: var(--primary-bg);
    color: var(--primary-dark);
    border-radius: var(--radius-sm);
    font-size: var(--font-sm);
    font-weight: 500;
    border: 1px solid rgba(225, 29, 72, 0.15);
    animation: tagIn 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
    user-select: none;
}

@keyframes tagIn {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
}

.tag-remove {
    cursor: pointer;
    font-size: 14px;
    opacity: 0.5;
    transition: all var(--transition-fast);
    line-height: 1;
    padding: 0 2px;
    border-radius: 2px;
}

.tag-remove:hover {
    opacity: 1;
    color: var(--danger);
    background: rgba(220, 38, 38, 0.1);
}

.tag-input-field {
    flex: 1;
    min-width: 100px;
    border: none;
    outline: none;
    background: transparent;
    font-size: var(--font-base);
    padding: 3px;
    color: var(--text-primary);
}

.tag-input-field::placeholder {
    color: var(--text-placeholder);
}

.tag-input-with-button {
    display: flex;
    gap: 6px;
    align-items: stretch;
}

.tag-input-with-button .tag-input {
    flex: 1;
}

.btn-add-keyword {
    padding: 8px 14px;
    background: var(--primary-gradient);
    color: white;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: var(--font-base);
    white-space: nowrap;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.btn-add-keyword:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-primary);
}

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

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 10px center;
    background-repeat: no-repeat;
    background-size: 18px;
    padding-right: 36px;
    cursor: pointer;
}

/* ==================== Toggle Switch ==================== */
.toggle-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: var(--bg-elevated);
    border-radius: var(--radius);
    margin-bottom: 14px;
    border: 1px solid var(--border-light);
    transition: all var(--transition-fast);
}

.toggle-wrapper:hover {
    border-color: var(--border-hover);
}

.toggle-wrapper.disabled {
    opacity: 0.45;
    pointer-events: none;
}

.toggle-label {
    font-size: var(--font-base);
    font-weight: 500;
}

.toggle {
    position: relative;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--border);
    border-radius: 24px;
    transition: all var(--transition);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: all var(--transition);
    box-shadow: var(--shadow-xs), 0 1px 2px rgba(0, 0, 0, 0.1);
}

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

.toggle input:checked + .toggle-slider:before {
    transform: translateX(20px);
    box-shadow: var(--shadow-xs), 0 1px 3px rgba(225, 29, 72, 0.2);
}

.toggle input:focus-visible + .toggle-slider {
    box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.15);
}

/* ==================== Buttons ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px 18px;
    font-size: var(--font-base);
    font-weight: 500;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
    user-select: none;
    text-decoration: none;
    line-height: 1.4;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0);
    transition: background var(--transition-fast);
    pointer-events: none;
}

.btn:hover::after {
    background: rgba(255, 255, 255, 0.08);
}

.btn:active::after {
    background: rgba(0, 0, 0, 0.1);
}

.btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.btn:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

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

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

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

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

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

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

.btn-success {
    background: var(--success);
    color: white;
}

.btn-success:hover {
    background: var(--success-light);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(22, 163, 74, 0.3);
}

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

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-danger:hover {
    background: var(--danger-light);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
}

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

.btn-warning {
    background: var(--warning);
    color: white;
}

.btn-warning:hover {
    background: var(--warning-light);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(217, 119, 6, 0.3);
}

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

.btn-sm {
    padding: 5px 12px;
    font-size: var(--font-sm);
}

.btn-lg {
    padding: 12px 24px;
    font-size: var(--font-md);
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon.btn-sm {
    width: 30px;
    height: 30px;
}

/* ==================== Message Type Selector ==================== */
.msg-type-selector {
    display: flex;
    gap: 6px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.msg-type-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 7px 14px;
    background: var(--bg-elevated);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    font-size: var(--font-base);
    transition: all var(--transition-fast);
    font-weight: 500;
    user-select: none;
}

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

.msg-type-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    box-shadow: 0 2px 6px rgba(225, 29, 72, 0.25);
}

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

.card-form {
    background: var(--bg-elevated);
    padding: 14px;
    border-radius: var(--radius);
    margin-top: 10px;
    border: 1px solid var(--border-light);
}

.card-form.hidden {
    display: none;
}

#textContentGroup.hidden {
    display: none;
}

.btn-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.message-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 9px;
    background: var(--primary);
    color: white;
    border-radius: var(--radius-full);
    font-size: var(--font-xs);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: 500;
}

/* ==================== Search Box ==================== */
.search-box {
    display: flex;
    gap: 10px;
    margin-bottom: var(--space);
}

.search-input-wrapper {
    flex: 1;
    position: relative;
}

.search-input-wrapper i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 14px;
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: 10px 14px 10px 38px;
    font-size: var(--font-base);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    transition: all var(--transition-fast);
}

.search-input:hover {
    border-color: var(--border-hover);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.12);
}

.search-input::placeholder {
    color: var(--text-placeholder);
}

/* ==================== Chat List ==================== */
.chat-list-container {
    max-height: 380px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    pointer-events: auto !important;
}

.chat-list-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: 0;
    z-index: 1;
}

.chat-list-header label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: var(--font-base);
    font-weight: 500;
    cursor: pointer;
    user-select: none;
}

.chat-list-header input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
    cursor: pointer;
}

.chat-count {
    font-size: var(--font-sm);
    color: var(--text-muted);
}

.chat-item {
    display: flex;
    align-items: center;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-light);
    cursor: pointer;
    transition: all var(--transition-fast);
    pointer-events: auto !important;
}

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

.chat-item:hover {
    background: var(--bg-hover);
}

.chat-item.selected {
    background: var(--primary-bg);
    border-left: 3px solid var(--primary);
}

.chat-item input[type="checkbox"] {
    width: 16px;
    height: 16px;
    margin-right: 10px;
    accent-color: var(--primary);
    pointer-events: auto !important;
    cursor: pointer;
    flex-shrink: 0;
}

.chat-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-weight: 600;
    margin-right: 10px;
    flex-shrink: 0;
    font-size: var(--font-md);
}

.chat-info {
    flex: 1;
    min-width: 0;
}

.chat-name {
    font-size: var(--font-base);
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-id {
    font-size: var(--font-xs);
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-family: 'SF Mono', 'Consolas', 'Fira Code', monospace;
}

.chat-members {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    background: var(--bg-elevated);
    padding: 3px 8px;
    border-radius: var(--radius-full);
    white-space: nowrap;
    flex-shrink: 0;
}

/* ==================== Empty State ==================== */
.empty-state {
    text-align: center;
    padding: 56px 20px;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.2;
    display: block;
    color: var(--text-muted);
}

.empty-state p {
    font-size: var(--font-base);
    line-height: 1.6;
    color: var(--text-muted);
}

/* ==================== Send Area ==================== */
.send-area {
    margin-top: 20px;
}

.send-area .form-group {
    margin-bottom: 14px;
}

/* ==================== Progress ==================== */
.progress-container {
    margin-top: var(--space);
    padding: 14px;
    background: var(--bg-elevated);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.progress-text {
    font-size: var(--font-base);
    font-weight: 500;
    flex: 1;
}

/* 发送中出现的「停止发送」按钮 */
.progress-header .btn {
    margin-left: 10px;
    flex: 0 0 auto;
}

.progress-percent {
    font-size: var(--font-base);
    color: var(--primary);
    font-weight: 700;
}

.progress-bar {
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--primary-gradient);
    border-radius: 3px;
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: progressShine 1.5s ease-in-out infinite;
}

@keyframes progressShine {
    to { left: 100%; }
}

/* ==================== Results ==================== */
.results-container {
    margin-top: var(--space);
}

.results-header {
    display: flex;
    gap: var(--space);
    margin-bottom: 10px;
}

.result-stat {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: var(--font-base);
    font-weight: 500;
}

.result-stat.success {
    color: var(--success);
}

.result-stat.failed {
    color: var(--danger);
}

.result-list {
    max-height: 180px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.result-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-bottom: 1px solid var(--border-light);
    font-size: var(--font-sm);
}

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

.result-item i {
    flex-shrink: 0;
}

.result-item.success i {
    color: var(--success);
}

.result-item.failed i {
    color: var(--danger);
}

/* ==================== Message Filters ==================== */
.message-filters {
    display: flex;
    gap: 8px;
    margin-bottom: var(--space);
    flex-wrap: wrap;
}

.filter-btn {
    padding: 6px 16px;
    font-size: var(--font-sm);
    font-weight: 500;
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    background: var(--bg-card);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    user-select: none;
}

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

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

.filter-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    box-shadow: 0 2px 6px rgba(225, 29, 72, 0.25);
}

/* ==================== Message Cards ==================== */
.message-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.message-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 14px 16px;
    transition: all var(--transition-fast);
}

.message-card:hover {
    box-shadow: var(--shadow-md);
    border-color: rgba(225, 29, 72, 0.15);
    transform: translateY(-1px);
}

/* 审批请求处理中的卡片：整体变暗提示，避免手机上重复点击 */
.message-card.is-processing {
    opacity: 0.6;
    pointer-events: none;
}

.message-card.is-processing:hover {
    box-shadow: none;
    transform: none;
}

/* 待审列表只渲染最新若干条时的提示 */
.audit-more-hint {
    text-align: center;
    color: var(--text-secondary);
    font-size: 12px;
    padding: 10px 0 2px;
}

.message-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
    gap: var(--space-sm);
}

.message-source {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.source-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 13px;
    font-weight: 600;
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(225, 29, 72, 0.2);
}

.source-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.source-name {
    font-size: var(--font-base);
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.source-chat {
    font-size: var(--font-xs);
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.message-time {
    font-size: var(--font-xs);
    color: var(--text-muted);
    white-space: nowrap;
    flex-shrink: 0;
}

.message-content {
    font-size: var(--font-base);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-elevated);
    padding: 10px 12px;
    border-radius: var(--radius);
    white-space: pre-wrap;
    word-break: break-word;
    border: 1px solid var(--border-light);
    overflow: hidden;
}

/* Message Images */
.message-images {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.message-image-thumb {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    cursor: pointer;
    border: 1px solid var(--border);
    transition: all var(--transition-fast);
    background: var(--bg-elevated);
}

.message-image-thumb:hover {
    transform: scale(1.08);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.message-tags {
    display: flex;
    gap: 6px;
    margin-top: 10px;
    flex-wrap: wrap;
}

.message-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
    margin-top: 10px;
    flex-wrap: wrap;
}

.message-id {
    font-size: var(--font-xs);
    color: #92400e;
    background: #fef3c7;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-weight: 500;
    font-family: 'SF Mono', 'Consolas', 'Fira Code', monospace;
}

.btn-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    font-size: var(--font-xs);
    color: var(--primary);
    background: var(--primary-bg);
    border-radius: var(--radius-full);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: 500;
    border: none;
}

.btn-link:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(225, 29, 72, 0.25);
}

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

.keyword-badge {
    display: inline-block;
    padding: 1px 7px;
    font-size: 10px;
    background: #fef3c7;
    color: #92400e;
    border-radius: var(--radius-xs);
    margin-right: 3px;
    font-weight: 500;
}

.message-keywords {
    padding: 6px 10px;
    background: #fffbeb;
    border-left: 3px solid var(--warning);
    margin-bottom: 8px;
    font-size: var(--font-sm);
    color: #92400e;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* AI Result */
.message-ai-result {
    margin-top: 8px;
    padding: 10px 12px;
    border-radius: var(--radius);
    border-left: 3px solid;
}

.message-ai-result.ai-approved {
    background: var(--success-bg);
    border-left-color: var(--success);
}

.message-ai-result.ai-rejected {
    background: var(--danger-bg);
    border-left-color: var(--danger);
}

.ai-result-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
    flex-wrap: wrap;
}

.ai-result-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: var(--radius-xs);
    font-size: var(--font-xs);
    font-weight: 600;
}

.ai-result-badge.approved {
    background: #d1fae5;
    color: #065f46;
}

.ai-result-badge.rejected {
    background: #fee2e2;
    color: #991b1b;
}

.ai-result-badge.review {
    background: #fef3c7;
    color: #92400e;
}

.ai-result-type {
    display: inline-block;
    padding: 2px 8px;
    border-radius: var(--radius-xs);
    font-size: var(--font-xs);
    font-weight: 500;
    background: #e0e7ff;
    color: #3730a3;
}

.ai-result-risk {
    font-size: var(--font-xs);
    color: var(--text-muted);
}

.ai-result-reason {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    margin-top: 2px;
}

/* ==================== Toast Notifications ==================== */
.toast-container {
    position: fixed;
    top: 72px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
    max-width: 380px;
}

.toast {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    min-width: 260px;
    max-width: 380px;
    transform: translateX(120%) scale(0.95);
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.35s ease;
    pointer-events: auto;
    border: 1px solid var(--border-light);
    will-change: transform, opacity;
}

.toast.show {
    transform: translateX(0) scale(1);
    opacity: 1;
}

.toast.removing {
    transform: translateX(120%) scale(0.9);
    opacity: 0;
}

.toast-message {
    flex: 1;
    font-size: var(--font-base);
    color: var(--text-primary);
    line-height: 1.4;
}

.toast.success {
    border-left: 4px solid var(--success);
}

.toast.error {
    border-left: 4px solid var(--danger);
}

.toast.warning {
    border-left: 4px solid var(--warning);
}

.toast i {
    font-size: 16px;
    flex-shrink: 0;
}

.toast.success i {
    color: var(--success);
}

.toast.error i {
    color: var(--danger);
}

.toast.warning i {
    color: var(--warning);
}

/* ==================== Loading ==================== */
.spinner {
    width: 18px;
    height: 18px;
    border: 2.5px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.7s cubic-bezier(0.6, 0, 0.4, 1) infinite;
}

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

/* ==================== Loading Overlay ==================== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    animation: fadeInOverlay 0.25s ease;
}

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

.loading-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    padding: 28px 36px;
    background: rgba(30, 30, 50, 0.92);
    border-radius: var(--radius-xl);
    color: white;
    box-shadow: var(--shadow-xl);
    backdrop-filter: blur(8px);
    animation: loadingBounceIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes loadingBounceIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

.loading-box .spinner {
    width: 32px;
    height: 32px;
    border: 3px solid rgba(255, 255, 255, 0.2);
    border-top-color: white;
}

.loading-box span {
    font-size: var(--font-md);
    opacity: 0.95;
    font-weight: 500;
}

/* ==================== Mobile Dropdown ==================== */
.mobile-dropdown {
    display: none;
}

/* ==================== Modal ==================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    animation: fadeInOverlay 0.2s ease;
}

.modal {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 420px;
    box-shadow: var(--shadow-xl);
    animation: modalIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    overflow: hidden;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.92) translateY(16px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-header {
    padding: var(--space) var(--space-lg);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.modal-header h3 {
    margin: 0;
    font-size: var(--font-lg);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.modal-close {
    background: none;
    border: none;
    font-size: 22px;
    cursor: pointer;
    color: var(--text-muted);
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-elevated);
    color: var(--text-primary);
    transform: rotate(90deg);
}

.modal-body {
    padding: var(--space-lg);
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    padding: 14px var(--space-lg);
    border-top: 1px solid var(--border-light);
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    flex-shrink: 0;
}

.info-item {
    display: flex;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-light);
    align-items: center;
    gap: var(--space-md);
}

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

.info-item label {
    min-width: 72px;
    color: var(--text-muted);
    font-size: var(--font-base);
    flex-shrink: 0;
}

.info-item span {
    flex: 1;
    word-break: break-all;
    font-size: var(--font-base);
}

/* ==================== Image Preview Modal ==================== */
.image-preview-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.88);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100000;
    cursor: zoom-out;
    animation: fadeInOverlay 0.25s ease;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.image-preview-overlay img {
    max-width: 90vw;
    max-height: 85vh;
    border-radius: var(--radius);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
    animation: imageZoomIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes imageZoomIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ==================== AI Config Section ==================== */
.ai-config-section {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.ai-enable-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    background: var(--primary-gradient);
    border-radius: var(--radius-lg);
    color: white;
    gap: var(--space);
}

.ai-enable-info {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.ai-enable-title {
    font-size: var(--font-lg);
    font-weight: 600;
}

.ai-enable-desc {
    font-size: var(--font-sm);
    opacity: 0.85;
}

.ai-enable-row .toggle-slider {
    background: rgba(255, 255, 255, 0.3);
}

.ai-enable-row .toggle input:checked + .toggle-slider {
    background: white;
}

.ai-enable-row .toggle-slider:before {
    background: white;
}

.ai-enable-row .toggle input:checked + .toggle-slider:before {
    background: var(--primary);
}

.ai-provider-section,
.ai-policy-section {
    background: var(--bg-elevated);
    border-radius: var(--radius-lg);
    padding: var(--space);
    border: 1px solid var(--border-light);
}

.ai-section-title {
    font-size: var(--font-base);
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 7px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ai-section-title i {
    color: var(--primary);
}

.ai-form-grid {
    gap: 14px;
}

.model-select-wrapper {
    display: flex;
    gap: 6px;
}

.model-select-wrapper select {
    flex: 1;
}

.btn-refresh-models {
    padding: 0 10px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
}

.btn-refresh-models:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.btn-refresh-models i {
    font-size: 13px;
}

.ai-policy-row {
    margin-bottom: 14px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.ai-policy-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 14px;
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    flex: 1;
    min-width: 180px;
    transition: all var(--transition-fast);
}

.ai-policy-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-xs);
}

.ai-policy-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.ai-policy-title {
    font-size: var(--font-base);
    font-weight: 500;
    color: var(--text-primary);
}

.ai-policy-desc {
    font-size: var(--font-xs);
    color: var(--text-secondary);
}

.ai-reject-keywords .form-label {
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.ai-actions-row {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    padding-top: 6px;
}

.btn-close-result {
    background: none;
    border: none;
    font-size: 18px;
    cursor: pointer;
    color: var(--text-muted);
    padding: 0 4px;
    transition: all var(--transition-fast);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-close-result:hover {
    color: var(--text-primary);
    background: var(--bg-elevated);
}

.ai-custom-rules textarea,
.rule-block textarea {
    font-family: 'SF Mono', 'Consolas', 'Monaco', 'Fira Code', monospace;
    font-size: var(--font-sm);
    line-height: 1.5;
    resize: vertical;
}

/* ==================== AI Provider Cards (Text/Vision Split) ==================== */
.ai-provider-card {
    background: var(--bg-elevated);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    overflow: hidden;
    transition: box-shadow var(--transition);
}

.ai-provider-card + .ai-provider-card {
    margin-top: var(--space);
}

.ai-provider-card:hover {
    box-shadow: var(--shadow);
}

/* 文字模型卡片 - 蓝色系 */
.ai-provider-card-text .ai-provider-card-header {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: white;
}

/* 视觉模型卡片 - 紫色系 */
.ai-provider-card-vision .ai-provider-card-header {
    background: linear-gradient(135deg, #7c3aed 0%, #6d28d9 100%);
    color: white;
}

.ai-provider-card-header {
    padding: 14px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.ai-provider-card-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: var(--font-md);
    font-weight: 600;
    color: white;
}

.ai-provider-card-title i {
    font-size: 15px;
    color: white;
}

.ai-provider-card-tag {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    font-size: var(--font-xs);
    font-weight: 600;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-radius: var(--radius-full);
    letter-spacing: 0.4px;
    text-transform: uppercase;
}

.ai-provider-card-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    color: white;
}

.ai-provider-card-toggle-label {
    font-size: var(--font-sm);
    font-weight: 500;
    color: white;
    opacity: 0.92;
}

.toggle-sm {
    width: 36px;
    height: 20px;
}

.toggle-sm .toggle-slider {
    width: 36px;
    height: 20px;
    background: rgba(255, 255, 255, 0.3);
}

.toggle-sm .toggle-slider:before {
    width: 14px;
    height: 14px;
    left: 3px;
    bottom: 3px;
    background: white;
}

.toggle-sm input:checked + .toggle-slider {
    background: white;
}

.toggle-sm input:checked + .toggle-slider:before {
    background: #7c3aed;
    transform: translateX(16px);
}

.ai-provider-card-body {
    padding: 18px;
    transition: opacity var(--transition);
}

.ai-provider-card-hint {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    margin-bottom: 12px;
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    font-size: var(--font-sm);
    line-height: 1.5;
}

.ai-provider-card-hint i {
    color: var(--primary);
    flex-shrink: 0;
}

.ai-provider-card-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px dashed var(--border);
}

.ai-provider-section-legacy-hint {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    margin-top: var(--space);
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border-left: 3px solid #3b82f6;
    border-radius: var(--radius);
    color: #1e40af;
    font-size: var(--font-sm);
    line-height: 1.5;
}

.ai-provider-section-legacy-hint i {
    color: #3b82f6;
    flex-shrink: 0;
}

/* ==================== Rule Block Cards ==================== */
.rule-block {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: box-shadow var(--transition);
}

.rule-block:hover {
    box-shadow: var(--shadow);
}

.rule-block-header {
    padding: 12px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.rule-block-header .rule-block-title {
    font-size: var(--font-md);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 7px;
    color: white;
}

.rule-block-header .rule-block-title i {
    font-size: 15px;
}

/* 小小墙 - 暖橙/琥珀色系 */
.rule-block-wall .rule-block-header {
    background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
}

/* 小小集市 - 翡翠/青色系 */
.rule-block-market .rule-block-header {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
}

.rule-block-body {
    padding: 14px 16px 16px;
}

/* Rule Tabs */
.rule-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 14px;
    border-bottom: 2px solid var(--border);
}

.rule-tab {
    padding: 8px 16px;
    font-size: var(--font-sm);
    font-weight: 500;
    color: var(--text-secondary);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 5px;
    user-select: none;
}

.rule-tab:hover {
    color: var(--primary);
    background: var(--primary-bg);
}

.rule-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* 小小墙 tab 激活色 */
.rule-block-wall .rule-tab:hover {
    color: #b45309;
    background: rgba(180, 83, 9, 0.08);
}

.rule-block-wall .rule-tab.active {
    color: #b45309;
    border-bottom-color: #b45309;
}

/* 小小集市 tab 激活色 */
.rule-block-market .rule-tab:hover {
    color: #047857;
    background: rgba(4, 120, 87, 0.08);
}

.rule-block-market .rule-tab.active {
    color: #047857;
    border-bottom-color: #047857;
}

/* Rule Tab Content */
.rule-tab-content {
    animation: ruleTabFadeIn 0.2s ease;
}

@keyframes ruleTabFadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Toggle row inside rule block */
.rule-toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    background: var(--bg-elevated);
    border-radius: var(--radius);
    margin-bottom: 10px;
    border: 1px solid var(--border-light);
    transition: all var(--transition-fast);
}

.rule-toggle-row:hover {
    border-color: var(--border-hover);
}

.rule-toggle-info {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.rule-toggle-title {
    font-size: var(--font-base);
    font-weight: 500;
    color: var(--text-primary);
}

.rule-toggle-desc {
    font-size: var(--font-xs);
    color: var(--text-secondary);
}

/* 小小墙 toggle accent */
.rule-block-wall .toggle input:checked + .toggle-slider {
    background: #b45309;
}

/* 小小集市 toggle accent */
.rule-block-market .toggle input:checked + .toggle-slider {
    background: #047857;
}

/* Reject keywords spacing adjustment */
.ai-policy-section .ai-reject-keywords {
    margin-bottom: 14px;
    padding: 14px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

/* Rule blocks spacing in policy section */
.ai-policy-section .rule-block + .rule-block {
    margin-top: 14px;
}

/* Result area */
.result-area {
    margin-top: var(--space);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-light);
}

.result-title {
    font-size: var(--font-base);
    font-weight: 600;
    color: var(--text-primary);
}

.result-content {
    padding: 14px;
    font-size: var(--font-sm);
    font-family: 'SF Mono', 'Consolas', 'Monaco', 'Fira Code', monospace;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-all;
    color: var(--text-secondary);
    max-height: 300px;
    overflow-y: auto;
    margin: 0;
}

/* ==================== Buffer Status Card ==================== */
.buffer-status-card {
    margin-bottom: 12px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: box-shadow var(--transition);
}

.buffer-status-card:hover {
    box-shadow: var(--shadow);
}

/* 已暂停的卡片：整张卡片描红，手机上也能一眼看出暂停是否生效 */
.buffer-status-card.is-paused {
    border-color: var(--danger);
    box-shadow: 0 0 0 1px var(--danger) inset;
}

.buffer-status-card.is-paused .status-value {
    font-weight: 600;
}

.buffer-status-card .card-header {
    padding: 12px 16px;
}

.buffer-status-card .card-body {
    padding: 14px 16px;
}

.buffer-status-card .status-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.buffer-status-card .status-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 8px 10px;
    background: var(--bg-elevated);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
}

.buffer-status-card .status-label {
    font-size: var(--font-xs);
    color: var(--text-muted);
    font-weight: 500;
}

.buffer-status-card .status-value {
    font-size: var(--font-base);
    font-weight: 600;
    color: var(--text-primary);
}

/* ==================== Notify Section ==================== */
.notify-section {
    border-left: 3px solid #7c3aed;
}

.notify-section .card-title i {
    color: #7c3aed;
}

.notify-config-section {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

/* Enable Row */
.notify-enable-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 20px;
    background: linear-gradient(135deg, #7c3aed 0%, #5b21b6 100%);
    border-radius: var(--radius-lg);
    color: white;
    gap: var(--space);
}

.notify-enable-info {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.notify-enable-title {
    font-size: var(--font-lg);
    font-weight: 600;
}

.notify-enable-desc {
    font-size: var(--font-sm);
    opacity: 0.85;
}

.notify-enable-row .toggle-slider {
    background: rgba(255, 255, 255, 0.3);
}

.notify-enable-row .toggle input:checked + .toggle-slider {
    background: white;
}

.notify-enable-row .toggle-slider:before {
    background: white;
}

.notify-enable-row .toggle input:checked + .toggle-slider:before {
    background: #7c3aed;
}

/* Channel Block */
.notify-channel-block {
    background: var(--bg-elevated);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    overflow: hidden;
}

.notify-channel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    cursor: pointer;
    user-select: none;
    background: var(--bg-card);
    transition: all var(--transition-fast);
    gap: var(--space-md);
}

.notify-channel-header:hover {
    background: var(--bg-elevated);
}

.notify-channel-header::-webkit-details-marker {
    display: none;
}

.notify-channel-header::before {
    content: '\f0da';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 12px;
    color: var(--text-muted);
    transition: transform var(--transition);
}

details[open] .notify-channel-header::before {
    transform: rotate(90deg);
}

.notify-channel-info {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
}

.notify-channel-title {
    font-size: var(--font-md);
    font-weight: 600;
    color: var(--text-primary);
}

.notify-channel-toggle {
    transform: scale(0.85);
}

.notify-channel-body {
    padding: 14px 16px;
    background: var(--bg-elevated);
    border-top: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.notify-channel-body .form-group {
    margin-bottom: 0;
}

/* Password Input */
.password-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.password-input-wrapper .form-input {
    padding-right: 40px;
}

.password-toggle-btn {
    position: absolute;
    right: 8px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    padding: 4px 8px;
    transition: all var(--transition-fast);
}

.password-toggle-btn:hover {
    color: var(--primary);
}

/* Actions Row */
.notify-actions-row {
    display: flex;
    justify-content: flex-end;
    padding-top: 6px;
}

/* ==================== Responsive ==================== */
@media (max-width: 768px) {
    .header {
        padding: 0 14px;
        position: relative;
        height: 56px;
        --header-height: 56px;
    }

    .status-bar {
        display: none;
    }
    .mobile-only {
        display: block;
    }
    .user-dropdown-item.mobile-only {
        display: flex;
    }

    .user-menu {
        display: flex;
    }

    .user-menu-arrow {
        display: inline-block;
    }

    .tabs-container {
        padding: 0 14px;
        overflow-x: auto;
        position: relative;
        top: 0;
        -webkit-overflow-scrolling: touch;
    }

    .tabs {
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
    }

    .tab {
        padding: 12px 14px;
        font-size: var(--font-sm);
        scroll-snap-align: start;
    }

    .content {
        padding: 14px;
    }

    .card-header {
        padding: 12px 14px;
        flex-wrap: wrap;
        gap: 8px;
    }

    .card-body {
        padding: 14px;
    }

    .rule-grid {
        grid-template-columns: 1fr;
    }

    .search-box {
        flex-direction: column;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    /* 消息卡片移动端优化 */
    .message-card {
        padding: 12px;
    }

    .message-header {
        flex-wrap: wrap;
    }

    .source-avatar {
        width: 28px;
        height: 28px;
        font-size: 12px;
    }

    .ai-result-header {
        flex-wrap: wrap;
    }

    .message-footer {
        gap: 5px;
    }

    .message-content {
        padding: 8px 10px;
    }

    .btn-group {
        flex-wrap: nowrap;
    }

    .btn-group .btn {
        flex: 1;
        padding: 8px 10px;
    }

    /* 标签输入区移动端优化 */
    .tag-input {
        padding: 5px 6px;
        gap: 4px;
        max-height: 100px;
        overflow-y: auto;
    }

    .tag {
        padding: 2px 7px;
        font-size: var(--font-xs);
        gap: 3px;
    }

    .tag-remove {
        font-size: 12px;
    }

    .tag-input-field {
        min-width: 70px;
        font-size: var(--font-sm);
    }

    .tag-input-with-button {
        gap: 5px;
    }

    .btn-add-keyword {
        padding: 6px 10px;
        font-size: var(--font-sm);
    }

    .toast-container {
        right: 10px;
        left: 10px;
        max-width: none;
    }

    .toast {
        min-width: auto;
        max-width: none;
    }

    .rule-block-body {
        padding: 10px 12px 12px;
    }

    .rule-tab {
        padding: 7px 12px;
        font-size: var(--font-xs);
    }

    .rule-toggle-row {
        padding: 8px 10px;
    }

    .ai-policy-section .ai-reject-keywords {
        padding: 10px;
    }

    /* AI Provider 卡片移动端适配 */
    .ai-provider-card-header {
        padding: 10px 12px;
        gap: 8px;
    }

    .ai-provider-card-title {
        font-size: var(--font-base);
        gap: 6px;
    }

    .ai-provider-card-title i {
        font-size: 14px;
    }

    .ai-provider-card-body {
        padding: 12px;
    }

    .ai-provider-card-hint {
        padding: 6px 10px;
        font-size: var(--font-xs);
    }

    .ai-provider-section-legacy-hint {
        padding: 8px 12px;
        font-size: var(--font-xs);
    }

    .ai-provider-card-tag {
        font-size: 10px;
        padding: 2px 8px;
    }

    .ai-provider-card-toggle-label {
        font-size: var(--font-xs);
    }

    .message-image-thumb {
        width: 60px;
        height: 60px;
    }

    .buffer-status-card .status-grid {
        grid-template-columns: 1fr;
        gap: 6px;
    }

    .notify-channel-header {
        padding: 12px 14px;
    }

    .notify-channel-body {
        padding: 12px 14px;
    }

    .notify-enable-row {
        padding: 14px 16px;
    }

    .notify-enable-title {
        font-size: var(--font-md);
    }
}

/* 平板端适配 */
@media (min-width: 769px) and (max-width: 1024px) {
    .content {
        padding: 20px;
    }

    .form-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .buffer-status-card .status-grid {
        gap: 8px;
    }
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
    border: 1px solid transparent;
    background-clip: content-box;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
    background-clip: content-box;
}

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

/* ==================== Utility ==================== */
.hidden {
    display: none !important;
}

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

.text-success {
    color: var(--success);
}

.text-danger {
    color: var(--danger);
}

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

.text-center {
    text-align: center;
}

.mt-4 {
    margin-top: 14px;
}

.mb-4 {
    margin-bottom: 14px;
}

.ml-4 {
    margin-left: 14px;
}

.mr-4 {
    margin-right: 14px;
}

.p-4 {
    padding: 14px;
}

.flex {
    display: flex;
}

.flex-1 {
    flex: 1;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-2 {
    gap: var(--space-sm);
}

.gap-4 {
    gap: var(--space);
}

/* ==================== Focus Visible ==================== */
:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* ==================== Reduced Motion ==================== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ==================== AI 审核 · 精致卡片风（作用域隔离在 #tab-ai-audit） ==================== */
#tab-ai-audit {
    --ai-ink: #0f172a;
    --ai-ink-2: #475569;
    --ai-ink-3: #94a3b8;
    --ai-line: rgba(15, 23, 42, 0.08);
    --ai-line-soft: rgba(15, 23, 42, 0.05);
    --ai-surface: #ffffff;
    --ai-surface-2: #fafbfc;
    --ai-radius: 14px;
    --ai-shadow-1: 0 1px 2px rgba(15, 23, 42, 0.04);
    --ai-shadow-2: 0 1px 2px rgba(15, 23, 42, 0.04), 0 12px 28px -18px rgba(15, 23, 42, 0.28);
}

/* ---------- 页头 ---------- */
#tab-ai-audit .ai-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
    padding: 4px 2px 18px;
}

#tab-ai-audit .ai-eyebrow {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 8px;
}

#tab-ai-audit .ai-head-title {
    font-size: 22px;
    font-weight: 650;
    letter-spacing: -0.02em;
    line-height: 1.2;
    color: var(--ai-ink);
}

#tab-ai-audit .ai-head-desc {
    margin-top: 7px;
    max-width: 620px;
    font-size: 13px;
    line-height: 1.6;
    color: var(--ai-ink-2);
}

#tab-ai-audit .ai-head-side {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
}

#tab-ai-audit .ai-head-actions {
    display: flex;
    gap: 8px;
}

/* ---------- 状态徽章 ---------- */
#tab-ai-audit .ai-status-pill {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 5px 12px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    border: 1px solid var(--success-border);
    background: var(--success-bg);
    color: var(--success);
    white-space: nowrap;
}

#tab-ai-audit .ai-status-pill.off {
    border-color: var(--ai-line);
    background: var(--ai-surface-2);
    color: var(--ai-ink-3);
}

#tab-ai-audit .ai-status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.16);
}

#tab-ai-audit .ai-status-pill.off .ai-status-dot {
    box-shadow: none;
}

/* ---------- 子导航 ---------- */
#tab-ai-audit .ai-nav {
    display: inline-flex;
    gap: 3px;
    padding: 4px;
    margin-bottom: 18px;
    border-radius: 12px;
    background: rgba(15, 23, 42, 0.04);
    border: 1px solid var(--ai-line-soft);
}

#tab-ai-audit .ai-nav-item {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 16px;
    border: 0;
    border-radius: 9px;
    background: transparent;
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    color: var(--ai-ink-2);
    cursor: pointer;
    white-space: nowrap;
    transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}

#tab-ai-audit .ai-nav-item i {
    font-size: 12px;
    opacity: 0.75;
}

#tab-ai-audit .ai-nav-item:hover {
    color: var(--ai-ink);
}

#tab-ai-audit .ai-nav-item.active {
    background: var(--ai-surface);
    color: var(--ai-ink);
    font-weight: 600;
    box-shadow: var(--ai-shadow-1);
}

#tab-ai-audit .ai-nav-item.active i {
    opacity: 1;
    color: var(--primary);
}

/* ---------- 面板 ---------- */
#tab-ai-audit .ai-panel {
    display: none;
}

#tab-ai-audit .ai-panel.active {
    display: block;
    animation: aiPanelIn 0.22s ease both;
}

@keyframes aiPanelIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---------- 卡片 ---------- */
#tab-ai-audit .ai-card {
    background: var(--ai-surface);
    border: 1px solid var(--ai-line);
    border-radius: var(--ai-radius);
    box-shadow: var(--ai-shadow-2);
    overflow: hidden;
}

#tab-ai-audit .ai-card + .ai-card {
    margin-top: 16px;
}

#tab-ai-audit .ai-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    padding: 16px 22px;
    border-bottom: 1px solid var(--ai-line-soft);
}

#tab-ai-audit .ai-card-title {
    display: flex;
    align-items: center;
    gap: 9px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--ai-ink);
}

#tab-ai-audit .ai-card-title i {
    font-size: 13px;
    color: var(--ai-ink-3);
}

#tab-ai-audit .ai-card-sub {
    font-size: 12px;
    font-weight: 400;
    color: var(--ai-ink-2);
}

#tab-ai-audit .ai-card-body {
    padding: 22px;
}

/* ---------- KPI ---------- */
#tab-ai-audit .ai-kpis {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-bottom: 16px;
}

#tab-ai-audit .ai-kpi {
    padding: 18px;
    border-radius: var(--ai-radius);
    border: 1px solid var(--ai-line);
    background: var(--ai-surface);
    box-shadow: var(--ai-shadow-2);
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

#tab-ai-audit .ai-kpi:hover {
    transform: translateY(-2px);
    border-color: rgba(15, 23, 42, 0.14);
}

#tab-ai-audit .ai-kpi-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 14px;
}

#tab-ai-audit .ai-kpi-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--ai-ink-2);
}

#tab-ai-audit .ai-kpi-icon {
    width: 26px;
    height: 26px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    flex-shrink: 0;
}

#tab-ai-audit .ai-kpi-num {
    font-size: 26px;
    font-weight: 650;
    line-height: 1;
    letter-spacing: -0.03em;
    font-variant-numeric: tabular-nums;
    color: var(--ai-ink);
}

#tab-ai-audit .ai-kpi.is-pass .ai-kpi-icon { background: var(--success-bg); color: var(--success); }
#tab-ai-audit .ai-kpi.is-review .ai-kpi-icon { background: var(--warning-bg); color: var(--warning); }
#tab-ai-audit .ai-kpi.is-manual .ai-kpi-icon { background: var(--info-bg); color: var(--info); }
#tab-ai-audit .ai-kpi.is-block .ai-kpi-icon { background: var(--danger-bg); color: var(--danger); }

/* ---------- 运行开关 ---------- */
#tab-ai-audit .ai-switch-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 14px 0;
}

#tab-ai-audit .ai-switch-row + .ai-switch-row {
    border-top: 1px solid var(--ai-line-soft);
}

#tab-ai-audit .ai-switch-info {
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-width: 0;
}

#tab-ai-audit .ai-switch-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--ai-ink);
}

#tab-ai-audit .ai-switch-desc {
    font-size: 12px;
    line-height: 1.55;
    color: var(--ai-ink-2);
}

#tab-ai-audit .ai-switch-row .toggle {
    flex-shrink: 0;
}

/* ---------- 审核管道 ---------- */
#tab-ai-audit .ai-flow {
    display: flex;
    align-items: stretch;
    gap: 8px;
}

#tab-ai-audit .ai-flow-step {
    flex: 1;
    min-width: 0;
    padding: 16px;
    border-radius: 12px;
    background: var(--ai-surface-2);
    border: 1px solid var(--ai-line-soft);
    transition: background var(--transition-fast), border-color var(--transition-fast);
}

#tab-ai-audit .ai-flow-step:hover {
    background: var(--ai-surface);
    border-color: var(--ai-line);
}

#tab-ai-audit .ai-flow-idx {
    display: block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.12em;
    font-variant-numeric: tabular-nums;
    color: var(--ai-ink-2);
}

#tab-ai-audit .ai-flow-name {
    margin-top: 9px;
    font-size: 13px;
    font-weight: 600;
    color: var(--ai-ink);
}

#tab-ai-audit .ai-flow-desc {
    margin-top: 4px;
    font-size: 12px;
    line-height: 1.55;
    color: var(--ai-ink-2);
}

#tab-ai-audit .ai-flow-arrow {
    flex: 0 0 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-placeholder);
    font-size: 11px;
}

/* ---------- 置信度阈值 ---------- */
#tab-ai-audit .ai-threshold-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 16px 18px;
    border-radius: 12px;
    background: var(--ai-surface-2);
    border: 1px solid var(--ai-line-soft);
    transition: border-color var(--transition-fast);
}

#tab-ai-audit .ai-threshold-row + .ai-threshold-row {
    margin-top: 12px;
}

#tab-ai-audit .ai-threshold-row:hover {
    border-color: var(--ai-line);
}

#tab-ai-audit .ai-threshold-info {
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-width: 0;
}

#tab-ai-audit .ai-threshold-title {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 13px;
    font-weight: 600;
    color: var(--ai-ink);
}

#tab-ai-audit .ai-th-icon-pass { color: var(--success); font-size: 12px; }

#tab-ai-audit .ai-threshold-desc {
    font-size: 12px;
    line-height: 1.55;
    color: var(--ai-ink-2);
}

#tab-ai-audit .ai-threshold-control {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
}

#tab-ai-audit .ai-threshold-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 180px;
    /* 轨道视觉高度 4px，但控件本体 20px 高，保证拖动/点击有足够命中区域 */
    height: 20px;
    border-radius: var(--radius-full);
    background-color: transparent;
    background-image: linear-gradient(var(--border), var(--border));
    background-repeat: no-repeat;
    background-position: center;
    background-size: 100% 4px;
    outline: none;
    cursor: pointer;
}

#tab-ai-audit .ai-threshold-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--ai-surface);
    border: 2px solid var(--ai-ink-3);
    box-shadow: var(--ai-shadow-1);
    cursor: grab;
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

#tab-ai-audit .ai-threshold-slider::-webkit-slider-thumb:hover {
    transform: scale(1.12);
}

#tab-ai-audit .ai-threshold-slider:active::-webkit-slider-thumb { cursor: grabbing; }

#tab-ai-audit .ai-threshold-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--ai-surface);
    border: 2px solid var(--ai-ink-3);
    box-shadow: var(--ai-shadow-1);
    cursor: grab;
}

#tab-ai-audit .ai-threshold-slider-pass { background-image: linear-gradient(90deg, var(--border) 0%, rgba(22, 163, 74, 0.5) 100%); }
#tab-ai-audit .ai-threshold-slider-pass::-webkit-slider-thumb { border-color: var(--success); }
#tab-ai-audit .ai-threshold-slider-pass::-moz-range-thumb { border-color: var(--success); }

#tab-ai-audit .ai-threshold-value {
    min-width: 48px;
    text-align: center;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--ai-ink);
    background: var(--ai-surface);
    border: 1px solid var(--ai-line);
}

/* ---------- 说明条 ---------- */
#tab-ai-audit .ai-note {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-top: 14px;
    padding: 11px 14px;
    border-radius: 10px;
    background: var(--ai-surface-2);
    border: 1px solid var(--ai-line-soft);
    font-size: 12px;
    line-height: 1.55;
    color: var(--ai-ink-2);
}

#tab-ai-audit .ai-note i {
    color: var(--ai-ink-3);
    margin-top: 2px;
    flex-shrink: 0;
}

/* ---------- 模型配置卡片（浅色化） ---------- */
#tab-ai-audit .ai-provider-stack {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

#tab-ai-audit .ai-provider-card,
#tab-ai-audit .ai-provider-card + .ai-provider-card {
    margin-top: 0;
    background: var(--ai-surface);
    border: 1px solid var(--ai-line);
    border-radius: 12px;
    transition: border-color var(--transition-fast);
}

#tab-ai-audit .ai-provider-card:hover {
    box-shadow: none;
    border-color: rgba(15, 23, 42, 0.14);
}

#tab-ai-audit .ai-provider-card-header,
#tab-ai-audit .ai-provider-card-text .ai-provider-card-header,
#tab-ai-audit .ai-provider-card-vision .ai-provider-card-header {
    background: var(--ai-surface-2);
    color: var(--ai-ink);
    padding: 13px 18px;
    border-bottom: 1px solid var(--ai-line-soft);
}

#tab-ai-audit .ai-provider-card-title {
    gap: 10px;
    font-size: 13px;
    font-weight: 600;
    color: var(--ai-ink);
}

#tab-ai-audit .ai-provider-card-title i {
    font-size: 12px;
    color: var(--ai-ink-2);
}

#tab-ai-audit .ai-provider-card-icon {
    width: 26px;
    height: 26px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--ai-surface);
    border: 1px solid var(--ai-line);
    font-size: 11px;
    color: var(--ai-ink-2);
    flex-shrink: 0;
}

#tab-ai-audit .ai-provider-card-text .ai-provider-card-icon {
    background: var(--info-bg);
    border-color: transparent;
    color: var(--info);
}

#tab-ai-audit .ai-provider-card-vision .ai-provider-card-icon {
    background: rgba(124, 58, 237, 0.08);
    border-color: transparent;
    color: #7c3aed;
}

#tab-ai-audit .ai-provider-card-ocr .ai-provider-card-icon {
    background: rgba(14, 165, 233, 0.10);
    border-color: transparent;
    color: #0ea5e9;
}

#tab-ai-audit .ai-provider-card-ocr .ai-provider-card-hint b {
    color: #f43f5e;
    font-weight: 600;
}

#tab-ai-audit .ai-provider-card-tag {
    padding: 3px 9px;
    font-size: 10px;
    letter-spacing: 0.08em;
    background: var(--ai-surface);
    border: 1px solid var(--ai-line);
    color: var(--ai-ink-3);
}

#tab-ai-audit .ai-provider-card-toggle,
#tab-ai-audit .ai-provider-card-toggle-label {
    color: var(--ai-ink-2);
    opacity: 1;
    font-size: 12px;
}

#tab-ai-audit .ai-provider-card-body {
    padding: 18px;
}

#tab-ai-audit .ai-provider-card-hint {
    align-items: flex-start;
    padding: 10px 12px;
    margin-bottom: 14px;
    background: var(--ai-surface-2);
    border: 1px solid var(--ai-line-soft);
    border-radius: 10px;
    font-size: 12px;
    color: var(--ai-ink-2);
}

#tab-ai-audit .ai-provider-card-hint i {
    color: var(--ai-ink-3);
    margin-top: 2px;
}

#tab-ai-audit .ai-provider-card-actions {
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--ai-line-soft);
}

/* 面板级保存操作行 */
#tab-ai-audit .ai-panel-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 14px;
}

/* 小号开关在浅色表头上的配色 */
#tab-ai-audit .toggle-sm .toggle-slider {
    background: var(--bg-active);
}

#tab-ai-audit .toggle-sm input:checked + .toggle-slider {
    background: var(--primary);
}

#tab-ai-audit .toggle-sm .toggle-slider:before,
#tab-ai-audit .toggle-sm input:checked + .toggle-slider:before {
    background: #fff;
}

/* ---------- 分板块规则（浅色化 + 分段控件） ---------- */
#tab-ai-audit .rule-block {
    background: var(--ai-surface);
    border: 1px solid var(--ai-line);
    border-radius: 12px;
}

#tab-ai-audit .rule-block + .rule-block {
    margin-top: 14px;
}

#tab-ai-audit .rule-block:hover {
    box-shadow: none;
}

#tab-ai-audit .rule-block-header,
#tab-ai-audit .rule-block-wall .rule-block-header,
#tab-ai-audit .rule-block-market .rule-block-header {
    background: var(--ai-surface-2);
    border-bottom: 1px solid var(--ai-line-soft);
    padding: 13px 18px;
}

#tab-ai-audit .rule-block-header .rule-block-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--ai-ink);
}

#tab-ai-audit .rule-block-wall .rule-block-title i { color: var(--warning); }
#tab-ai-audit .rule-block-market .rule-block-title i { color: var(--success); }

#tab-ai-audit .rule-block-body {
    padding: 18px;
}

#tab-ai-audit .rule-tabs {
    display: inline-flex;
    gap: 3px;
    padding: 3px;
    margin-bottom: 14px;
    border: 1px solid var(--ai-line-soft);
    border-radius: 10px;
    background: var(--ai-surface-2);
}

#tab-ai-audit .rule-tab,
#tab-ai-audit .rule-block-wall .rule-tab:hover,
#tab-ai-audit .rule-block-market .rule-tab:hover {
    padding: 6px 14px;
    margin-bottom: 0;
    border: 0;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 500;
    color: var(--ai-ink-2);
    background: transparent;
}

#tab-ai-audit .rule-block-wall .rule-tab:hover,
#tab-ai-audit .rule-block-market .rule-tab:hover {
    color: var(--ai-ink);
}

#tab-ai-audit .rule-tab.active,
#tab-ai-audit .rule-block-wall .rule-tab.active,
#tab-ai-audit .rule-block-market .rule-tab.active {
    background: var(--ai-surface);
    border-bottom-color: transparent;
    color: var(--ai-ink);
    font-weight: 600;
    box-shadow: var(--ai-shadow-1);
}

#tab-ai-audit .rule-toggle-row {
    padding: 11px 13px;
    background: var(--ai-surface-2);
    border: 1px solid var(--ai-line-soft);
    border-radius: 10px;
}

#tab-ai-audit .rule-toggle-row:hover {
    border-color: var(--ai-line);
}

#tab-ai-audit .rule-toggle-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--ai-ink);
}

#tab-ai-audit .rule-toggle-desc {
    font-size: 11px;
    color: var(--ai-ink-2);
}

/* ---------- 测试结果 ---------- */
#tab-ai-audit .ai-test-result {
    margin-top: 16px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
    #tab-ai-audit .ai-kpis { grid-template-columns: repeat(2, 1fr); }
    #tab-ai-audit .ai-flow { flex-direction: column; }
    #tab-ai-audit .ai-flow-arrow { flex: 0 0 auto; padding: 2px 0; transform: rotate(90deg); }
    #tab-ai-audit .ai-threshold-row { flex-direction: column; align-items: stretch; }
    #tab-ai-audit .ai-threshold-control { justify-content: space-between; }
    #tab-ai-audit .ai-threshold-slider { flex: 1; width: auto; }
    #tab-ai-audit .ai-head { flex-direction: column; }
    #tab-ai-audit .ai-head-side { align-items: flex-start; }
    #tab-ai-audit .ai-nav { display: flex; overflow-x: auto; }
}