* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

:root {
    --primary-color: #2563EB;
    --primary-dark: #1D4ED8;
    --primary-light: #3B82F6;
    --success-color: #16A34A;
    --danger-color: #DC2626;
    --warning-color: #D97706;
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-light: #94A3B8;
    --bg-primary: #F1F5F9;
    --bg-card: #FFFFFF;
    --bg-light: #F8FAFC;
    --bg-card-hover: #F8FAFC;
    --border-color: #E2E8F0;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --header-bg: linear-gradient(135deg, #1E40AF, #3B82F6);
    --header-text: #FFFFFF;
    --table-header-bg: rgba(37, 99, 235, 0.06);
    --table-header-border: rgba(37, 99, 235, 0.12);
    --table-header-color: #2563EB;
    --nav-bg: #FFFFFF;
    --nav-shadow: 0 -1px 3px rgba(0, 0, 0, 0.06), 0 -1px 2px rgba(0, 0, 0, 0.04);
    --skeleton-bg: linear-gradient(90deg, #E2E8F0 25%, rgba(37, 99, 235, 0.06) 50%, #E2E8F0 75%);
    --scrollbar-thumb: rgba(0, 0, 0, 0.12);
    --scrollbar-track: transparent;
}

[data-theme="dark"] {
    --primary-color: #3B82F6;
    --primary-dark: #2563EB;
    --primary-light: #60A5FA;
    --success-color: #22C55E;
    --danger-color: #EF4444;
    --warning-color: #F59E0B;
    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --text-light: #64748B;
    --bg-primary: #0F172A;
    --bg-card: #1E293B;
    --bg-light: #334155;
    --bg-card-hover: #334155;
    --border-color: #334155;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    --header-bg: linear-gradient(135deg, #1E3A5F, #1E293B);
    --header-text: #F1F5F9;
    --table-header-bg: rgba(59, 130, 246, 0.15);
    --table-header-border: rgba(59, 130, 246, 0.25);
    --table-header-color: #60A5FA;
    --nav-bg: #1E293B;
    --nav-shadow: 0 -2px 10px rgba(0, 0, 0, 0.3);
    --skeleton-bg: linear-gradient(90deg, #334155 25%, rgba(59, 130, 246, 0.12) 50%, #334155 75%);
    --scrollbar-thumb: rgba(255, 255, 255, 0.15);
    --scrollbar-track: transparent;
}

html, body {
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    font-variant-numeric: tabular-nums;
}

.app-container {
    min-height: 100%;
    padding-bottom: 70px;
    display: flex;
    flex-direction: column;
    animation: pageIn 0.2s ease-out;
}

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

.app-header {
    background: var(--header-bg);
    color: white;
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    flex-wrap: wrap;
    gap: 10px;
}

.app-header h1 {
    font-size: 18px;
    font-weight: 600;
    flex: 3;
    min-width: 0;
}

.date-selector {
    flex: 0.6;
    min-width: 120px;
    max-width: 140px;
}

.date-picker {
    width: 100%;
    padding: 6px 8px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    font-size: 14px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    text-align: center;
    cursor: pointer;
}

.date-picker::-webkit-calendar-picker-indicator {
    filter: invert(1);
    cursor: pointer;
}

.date-picker:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.25);
}

.header-time {
    font-size: 13px;
    opacity: 0.9;
    min-width: 60px;
    text-align: right;
}

.back-link {
    color: white;
    text-decoration: none;
    font-size: 14px;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 16px;
}

.summary-section {
    padding: 16px;
    overflow: hidden;
}

.summary-scroll-container {
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
    scroll-behavior: smooth;
}

.summary-scroll-container::-webkit-scrollbar {
    display: none;
}

.summary-grid {
    display: flex;
    gap: 10px;
    position: relative;
}

.summary-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 12px 4px;
    text-align: center;
    box-shadow: var(--shadow);
    flex: 0 0 calc(25% - 7.5px);
    min-width: calc(25% - 7.5px);
    max-width: calc(25% - 7.5px);
    overflow: hidden;
}

.auction-stats-card {
    flex: 0 0 calc(25% - 7.5px);
    min-width: calc(25% - 7.5px);
    max-width: calc(25% - 7.5px);
    position: relative;
}

.auction-stats-card::after {
    content: '▶';
    position: absolute;
    right: -15px;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 30px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 8px 0 0 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8px;
    color: rgba(255, 255, 255, 0.4);
}

.summary-label {
    font-size: 11px;
    color: var(--text-light);
    margin-bottom: 6px;
}

.summary-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
}

.summary-value.positive {
    color: var(--danger-color);
}

.summary-value.negative {
    color: var(--success-color);
}

.summary-value.excellent {
    color: var(--warning-color);
}

.summary-value.pulse {
    animation: pulse 3s ease-in-out infinite;
}

.summary-stats {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0;
    font-size: 11px;
    padding: 4px 2px;
    height: 100%;
}

.stat-item {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0;
    line-height: 1.2;
    gap: 2px;
    width: 100%;
    white-space: nowrap;
}

.stat-item span {
    display: inline-block;
    text-align: left;
    min-width: 45px;
}

.stat-item b {
    font-weight: 600;
    font-size: 13px;
}

.stat-excellent {
    color: var(--warning-color);
}

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

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

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.tabs-section {
    padding: 0 16px;
}

.tabs {
    display: flex;
    background: var(--bg-card);
    border-radius: 10px;
    padding: 4px;
    box-shadow: var(--shadow);
}

.tab {
    flex: 1;
    padding: 10px 12px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.tab.active {
    background: var(--primary-color);
    color: white;
}

.stock-list-section {
    flex: 1;
    padding: 16px;
}

.list-header {
    display: grid;
    grid-template-columns: 1.3fr 0.6fr 0.85fr 0.85fr 0.85fr 0.85fr 0.85fr;
    gap: 6px;
    padding: 10px 6px;
    font-size: 12px;
    color: var(--text-light);
    background: var(--bg-card);
    border-radius: 8px 8px 0 0;
}

.list-header [data-sort] {
    cursor: pointer;
    user-select: none;
    padding: 2px 2px;
    border-radius: 4px;
    transition: background 0.2s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.list-header [data-sort]:hover {
    background: var(--bg-secondary);
}

.list-header [data-sort].sort-asc::after {
    content: ' ↑';
    color: var(--primary-color);
    margin-left: 1px;
}

.list-header [data-sort].sort-desc::after {
    content: ' ↓';
    color: var(--primary-color);
    margin-left: 1px;
}

.stock-list {
    background: var(--bg-card);
    border-radius: 0 0 8px 8px;
    box-shadow: var(--shadow);
    max-height: calc(100vh - 380px);
    overflow-y: auto;
}

.stock-item {
    display: grid;
    grid-template-columns: 1.3fr 0.6fr 0.85fr 0.85fr 0.85fr 0.85fr 0.85fr;
    gap: 6px;
    padding: 10px 6px;
    border-bottom: 1px solid var(--border-color);
    align-items: center;
    font-size: 13px;
}

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

.stock-item:active {
    background: var(--bg-primary);
}

.stock-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.stock-name {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-primary);
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.stock-code {
    font-size: 11px;
    color: var(--text-light);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.col-value, .stock-value {
    text-align: center;
    font-weight: 500;
}

.col-perf, .stock-perf {
    text-align: center;
    font-size: 13px;
    font-weight: 500;
}

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

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

.excellent {
    color: var(--warning-color);
    font-weight: 600;
}

.good {
    color: var(--primary-color);
    font-weight: 600;
}

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

.empty-state {
    padding: 40px 20px;
    text-align: center;
    color: var(--text-light);
}

.link-btn {
    display: inline-block;
    margin-top: 12px;
    padding: 8px 20px;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 20px;
    font-size: 13px;
}

.action-section {
    padding: 16px;
    text-align: center;
}

.refresh-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    box-shadow: 0 2px 8px color-mix(in srgb, var(--primary-color) 30%, transparent);
    transition: transform 0.2s, box-shadow 0.2s;
}

.refresh-btn:active {
    transform: scale(0.98);
    box-shadow: 0 2px 8px color-mix(in srgb, var(--primary-color) 30%, transparent);
}

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

.card {
    background: var(--bg-card);
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 16px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    flex-shrink: 0;
}

.card-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.card-subtitle {
    font-size: 12px;
    color: var(--text-light);
}

.card-info {
    font-size: 12px;
    color: var(--text-light);
}

.stock-list-wrap {
    flex: 1;
    overflow: auto;
    -webkit-overflow-scrolling: touch;
    min-height: 0;
}

.stock-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
    font-size: 13px;
}

.stock-table thead {
    position: sticky;
    top: 0;
    z-index: 1;
}

.stock-table th {
    background: var(--table-header-bg);
    color: var(--table-header-color);
    font-weight: 600;
    padding: 8px 6px;
    text-align: center;
    font-size: 12px;
    white-space: nowrap;
    border-bottom: 2px solid var(--table-header-border);
}

.stock-table th:first-child {
    text-align: left;
}

.stock-table td {
    padding: 8px 6px;
    text-align: center;
    font-size: 13px;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}

.stock-table td:first-child {
    text-align: left;
}

.stock-table tbody tr {
    transition: background 0.15s;
}

.stock-table tbody tr:active {
    background: var(--bg-primary);
}

.stock-name-cell {
    display: flex;
    flex-direction: column;
}

.stock-name-text {
    font-weight: 600;
    color: var(--text-primary);
}

.stock-code-text {
    font-size: 11px;
    color: var(--text-light);
}

.dragon-badge {
    background: var(--danger-color);
    color: white;
    padding: 1px 4px;
    border-radius: 3px;
    font-size: 10px;
    font-weight: 600;
    margin-left: 4px;
}

.seal-back-badge {
    background: var(--danger-color);
    color: white;
    padding: 1px 4px;
    border-radius: 3px;
    font-size: 10px;
    font-weight: 600;
    margin-left: 4px;
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-light);
}

.empty-state .empty-icon {
    font-size: 36px;
    margin-bottom: 8px;
}

.empty-state p {
    margin-top: 8px;
}

.loading-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-light);
}

.loading-spinner {
    width: 28px;
    height: 28px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 12px;
}

.skeleton-wrap {
    padding: 12px 0;
}

.skeleton-row {
    display: flex;
    gap: 12px;
    padding: 10px 0;
    align-items: center;
}

.skeleton-cell {
    height: 14px;
    border-radius: 4px;
    background: var(--skeleton-bg);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s ease-in-out infinite;
    flex: 1;
}

.skeleton-cell-wide {
    flex: 2;
}

.skeleton-cell-short {
    flex: 0.6;
}

@keyframes skeleton-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.pull-refresh-indicator {
    position: fixed;
    top: -40px;
    left: 50%;
    transform: translateY(0);
    margin-left: -60px;
    width: 120px;
    height: 36px;
    background: var(--bg-card);
    border-radius: 18px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-secondary);
    z-index: 200;
    opacity: 0;
    transition: opacity 0.2s;
}

.pull-refresh-arrow {
    font-size: 14px;
    transition: transform 0.2s;
}

.pull-refresh-text {
    font-size: 12px;
}

.filter-section {
    padding: 10px 16px;
    background: var(--bg-card);
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin: 12px 16px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.filter-label {
    font-size: 13px;
    color: var(--text-secondary);
    white-space: nowrap;
}

.filter-select {
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 13px;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-width: 90px;
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

@media (max-width: 768px) {
    .stock-table {
        font-size: 12px;
    }
    .stock-table th,
    .stock-table td {
        padding: 6px 4px;
    }
}

.refresh-icon {
    display: inline-block;
    transition: transform 0.3s;
}

.refresh-btn.loading .refresh-icon {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.update-time {
    margin-top: 12px;
    font-size: 12px;
    color: var(--text-light);
}

.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    background: var(--nav-bg);
    box-shadow: var(--nav-shadow);
    z-index: 100;
}

.nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 0;
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.2s;
}

.nav-item.active {
    color: var(--primary-color);
}

.nav-icon {
    margin-bottom: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-label {
    font-size: 11px;
}

.nav-refresh-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: var(--primary-color);
    color: white;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px color-mix(in srgb, var(--primary-color) 30%, transparent);
    transition: transform 0.2s, box-shadow 0.2s;
    flex-shrink: 0;
}

.nav-refresh-btn:active {
    transform: scale(0.92);
    box-shadow: 0 1px 4px color-mix(in srgb, var(--primary-color) 20%, transparent);
}

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

.nav-refresh-btn.loading .refresh-icon {
    animation: spin 1s linear infinite;
}

.add-section {
    padding: 16px;
    background: var(--bg-card);
    margin: 16px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.section-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.form-group {
    margin-bottom: 12px;
}

.form-group label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.batch-textarea {
    width: 100%;
    height: 120px;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    resize: none;
    background: var(--bg-primary);
    font-family: inherit;
}

.batch-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.form-select, .form-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    background: var(--bg-primary);
}

.form-select:focus, .form-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.primary-btn {
    width: 100%;
    padding: 12px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: opacity 0.2s;
}

.primary-btn:active {
    opacity: 0.9;
}

.primary-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.stock-manage-section {
    padding: 16px;
}

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

.stock-count {
    font-size: 13px;
    color: var(--text-light);
}

.tabs-mini {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.tab-mini {
    padding: 6px 14px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-secondary);
    font-size: 12px;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.2s;
}

.tab-mini.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.manage-list {
    background: var(--bg-card);
    border-radius: 8px;
    box-shadow: var(--shadow);
    max-height: 300px;
    overflow-y: auto;
}

.manage-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
}

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

.manage-info {
    flex: 1;
}

.manage-code {
    font-weight: 600;
    font-size: 14px;
}

.manage-name {
    font-size: 12px;
    color: var(--text-light);
}

.manage-custom {
    font-size: 12px;
    color: var(--text-secondary);
    margin-right: 12px;
}

.delete-btn {
    padding: 6px 12px;
    background: var(--danger-color);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
}

.action-row {
    margin-top: 16px;
    text-align: center;
}

.danger-btn {
    padding: 10px 24px;
    background: transparent;
    color: var(--danger-color);
    border: 1px solid var(--danger-color);
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
}

.toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.75);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.toast.show {
    opacity: 1;
    visibility: visible;
}

@media screen and (min-width: 414px) {
    .summary-value {
        font-size: 18px;
    }
    
    .stock-item {
        font-size: 14px;
    }
}

@media screen and (min-width: 375px) and (max-width: 413px) {
    .summary-value {
        font-size: 16px;
    }
    
    .list-header {
        grid-template-columns: 1.2fr 0.5fr 0.75fr 0.75fr 0.75fr 0.75fr 0.75fr;
        font-size: 11px;
        padding: 8px 4px;
        gap: 4px;
    }
    
    .stock-item {
        grid-template-columns: 1.2fr 0.5fr 0.75fr 0.75fr 0.75fr 0.75fr 0.75fr;
        padding: 8px 4px;
        gap: 4px;
        font-size: 12px;
    }
    
    .col-perf, .stock-perf {
        font-size: 12px;
        font-weight: 500;
    }
    
    .stock-name {
        font-size: 13px;
    }
    
    .stock-code {
        font-size: 10px;
    }
}

@media screen and (max-width: 374px) {
    .summary-label {
        font-size: 10px;
    }
    
    .summary-value {
        font-size: 14px;
    }
    
    .tab {
        font-size: 12px;
        padding: 8px 10px;
    }
    
    .list-header {
        font-size: 10px;
        padding: 6px 3px;
        gap: 3px;
        grid-template-columns: 1.1fr 0.5fr 0.75fr 0.75fr 0.75fr 0.75fr 0.75fr;
    }
    
    .stock-item {
        font-size: 11px;
        padding: 6px 3px;
        gap: 3px;
        grid-template-columns: 1.1fr 0.5fr 0.75fr 0.75fr 0.75fr 0.75fr 0.75fr;
    }
    
    .col-perf, .stock-perf {
        font-size: 11px;
        font-weight: 500;
    }
    
    .stock-name {
        font-size: 12px;
    }
    
    .stock-code {
        font-size: 9px;
    }
}

@supports (padding-bottom: env(safe-area-inset-bottom)) {
    .bottom-nav {
        padding-bottom: env(safe-area-inset-bottom);
    }
    
    .app-container {
        padding-bottom: calc(70px + env(safe-area-inset-bottom));
    }
}

/* 隐蔽的保存数据按钮 */
.hidden-save-btn {
    position: fixed;
    bottom: 10px;
    right: 10px;
    padding: 2px 8px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 10px;
    cursor: pointer;
    opacity: 0.3;
    transition: all 0.3s ease;
    z-index: 50;
}

.hidden-save-btn:hover {
    opacity: 1;
    background: color-mix(in srgb, var(--primary-color) 30%, transparent);
    color: white;
}

/* 情绪分时图样式 */
.sentiment-chart-container {
    margin: 0 16px 12px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.chart-toggle-btn {
    width: 100%;
    padding: 2px 16px;
    background: rgba(255, 255, 255, 0.4);
    border: none;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.chart-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.6);
}

.toggle-arrow {
    font-size: 16px;
    color: rgba(0, 0, 0, 0.5);
    transition: all 0.3s ease;
    transform: scaleX(1.8) scaleY(0.6);
}

.chart-toggle-btn.active .toggle-arrow {
    transform: scaleX(1.8) scaleY(0.6) rotate(180deg);
}

.chart-content {
    background: var(--bg-card);
    padding: 16px;
    display: none;
    animation: slideDown 0.3s ease;
}

.chart-content.show {
    display: block;
}

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

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

.chart-header h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.chart-date {
    font-size: 12px;
    color: var(--text-secondary);
}

.chart-wrapper {
    position: relative;
    height: 200px;
    width: 100%;
}

#sentimentChart {
    width: 100% !important;
    height: 100% !important;
}

/* 加载状态 */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.loading-overlay.show {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid color-mix(in srgb, var(--primary-color) 20%, transparent);
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 16px;
}

.loading-text {
    font-size: 16px;
    color: var(--text-primary);
    font-weight: 500;
    text-align: center;
}

/* 错误提示 */
.error-message {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--danger-color);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(255, 77, 79, 0.3);
}

.error-message.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* 优化日期选择器交互 */
.date-picker {
    cursor: pointer;
    transition: all 0.3s ease;
}

.date-picker:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
}

.date-picker:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.4);
    border-color: rgba(255, 255, 255, 0.8);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.3);
}

/* 刷新按钮加载状态 */
.refresh-btn.loading {
    opacity: 0.7;
    pointer-events: none;
}

[data-theme="dark"] .loading-overlay {
    background: rgba(15, 23, 42, 0.95);
}

[data-theme="dark"] .app-header {
    border-bottom: 1px solid var(--border-color);
}

[data-theme="dark"] .date-picker {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
}

[data-theme="dark"] .date-picker::-webkit-calendar-picker-indicator {
    filter: invert(1);
}

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

[data-theme="dark"] .board-btn {
    background: var(--bg-light);
    border-color: var(--border-color);
    color: var(--text-secondary);
}

[data-theme="dark"] .board-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

[data-theme="dark"] .backtrack-slider {
    background: var(--border-color);
}

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

[data-theme="dark"] .chart-toggle-btn {
    background: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .chart-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .stock-item:active,
[data-theme="dark"] .plate-item:active,
[data-theme="dark"] .plate-item:hover {
    background: var(--bg-card-hover);
}

[data-theme="dark"] .plate-item.selected {
    background: rgba(59, 130, 246, 0.12);
    border-left-color: var(--primary-color);
}

[data-theme="dark"] .toast {
    background: rgba(30, 41, 59, 0.9);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .pull-refresh-indicator {
    background: var(--bg-card);
    color: var(--text-secondary);
}

.plate-item.selected {
    background: var(--table-header-bg);
    border-left-color: var(--primary-color);
}

.stock-item:active,
.plate-item:active,
.plate-item:hover {
    background: var(--bg-card-hover);
}

.theme-switcher {
    position: relative;
    display: inline-flex;
    align-items: center;
    margin-left: 8px;
}

.theme-btn {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.4);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    background: rgba(255, 255, 255, 0.15);
    color: white;
    transition: all 0.2s;
    padding: 0;
}

.theme-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.6);
}

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

.theme-dropdown {
    position: absolute;
    top: 36px;
    right: 0;
    background: var(--bg-card);
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    padding: 6px;
    z-index: 200;
    min-width: 140px;
    display: none;
}

.theme-dropdown.show {
    display: block;
    animation: themeDropdownIn 0.15s ease;
}

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

.theme-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-primary);
    transition: background 0.15s;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.theme-option:hover {
    background: var(--bg-light);
}

.theme-option.active {
    background: var(--table-header-bg);
    color: var(--primary-color);
    font-weight: 600;
}

.theme-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    flex-shrink: 0;
}

.theme-dot-light {
    background: linear-gradient(135deg, #1E40AF, #3B82F6);
}

.theme-dot-dark {
    background: linear-gradient(135deg, #0F172A, #1E293B);
}

[data-theme="dark"] .board-highlight-2 {
    background: rgba(239, 68, 68, 0.08);
}
[data-theme="dark"] .board-highlight-3 {
    background: rgba(239, 68, 68, 0.14);
}
[data-theme="dark"] .board-highlight-4 {
    background: rgba(239, 68, 68, 0.20);
}
[data-theme="dark"] .board-highlight-5 {
    background: rgba(239, 68, 68, 0.28);
}

[data-theme="dark"] .back-to-plate-btn {
    background: var(--bg-light);
    color: var(--primary-color);
}

[data-theme="dark"] .back-to-plate-btn:hover {
    background: var(--primary-color);
    color: white;
}

[data-theme="dark"] .loading-spinner {
    border-color: var(--border-color);
    border-top-color: var(--primary-color);
}