@font-face {
    font-family: 'fillet';
    src: url('../fonts/fillet2.woff') format('woff');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: normal;
}

:root {
    /* liquid glass shadow */
    --lggc-shadow: inset 2px -2px 1px -1px rgba(255, 255, 255, 0.52),
        inset -2px 2px 1px -1px rgba(255, 255, 255, 0.5),
        inset 0 0 3px rgba(15, 23, 42, 0.5),
        0 16px 32px rgba(15, 23, 42, 0.3)
    ;
    /* op */
    --op-display: none;
    --op-pointer-events: none;
    /* shadow */
    --shadow-w-s:
        inset 0px 1px 2px rgba(255, 255, 255, 0.7),
        0px 1px 2px rgba(0, 0, 0, 0.3),
        0px 2px 4px rgba(0, 0, 0, 0.15);

    --shadow-w-m:
        inset 0px 1px 2px rgba(255, 255, 255, 0.7),
        0px 2px 4px rgba(0, 0, 0, 0.3),
        0px 4px 8px rgba(0, 0, 0, 0.15);

    --shadow-w-l:
        inset 0px 1px 3px rgba(255, 255, 255, 0.7),
        0px 4px 6px rgba(0, 0, 0, 0.3),
        0px 6px 10px rgba(0, 0, 0, 0.15);

    --shadow-b-s:
        inset 0px 1px 2px rgba(0, 0, 0, 0.7),
        0px 1px 2px rgba(255, 255, 255, 0.3),
        0px 2px 4px rgba(255, 255, 255, 0.15);

    --shadow-b-m:
        inset 0px 1px 2px rgba(0, 0, 0, 0.7),
        0px 2px 4px rgba(255, 255, 255, 0.3),
        0px 4px 8px rgba(255, 255, 255, 0.15);

    --shadow-b-l:
        inset 0px 1px 3px rgba(0, 0, 0, 0.7),
        0px 4px 6px rgba(255, 255, 255, 0.3),
        0px 6px 10px rgba(255, 255, 255, 0.15);
}

[data-theme="dark"]:root {
    /* liquid glass shadow */
    --lggc-shadow: inset 1.5px -1.5px 1px -1px rgba(255, 255, 255, 0.5), inset -1.5px 1.5px 1px -1px rgba(255, 255, 255, 0.48), inset 0 0 3px rgba(15, 23, 42, 0.35), 0 16px 32px rgba(15, 23, 42, 0.14);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    transition: all 0.2s ease;
}

button:not(#duty-del) {
    box-shadow: var(--lggc-shadow);
}

.point-event {
    pointer-events: var(--op-pointer-events);
}

/* 允许输入框、文本域、下拉框和代码块选中文本 */
input,
textarea,
select,
.katex,
.katex-display,
.latex-content,
.preview-content,
pre {
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
}

code {
    font-family: 'Courier New';
    padding: 1px 3px 1px 0px;
    margin: 3px;
    max-width: fit-content;
    max-height: 300px;
    overflow: auto;
    background: #e1e1e1;
    font-weight: 600;
    border: 2px solid #a4a4a4;
    border-left: none;
    border-radius: 7px;
    color: #000000;
}

code::before {
    content: '';
    padding: 1px 3px;
    margin-right: 3px;
    background: #a4a4a4;
    border: 2px solid #636363;
    border-right: none;
    border-radius: 7px 0px 0px 7px;
    white-space: pre;
    overflow: hidden;
}

body {
    font-family: "fillet", "YouYuan", "Yuanti SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: linear-gradient(135deg, #e0e7ff 0%, #f0f4f8 40%, #e0f7fa 100%);
    background-attachment: fixed;
    color: #2c3e50;
    overflow-x: hidden;
    min-height: 100vh;
    font-weight: normal;
}


/* 页面切换动画 */
.page {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #e0e7ff 0%, #f0f4f8 40%, #e0f7fa 100%);
    background-attachment: fixed;
    overflow-y: auto;
    opacity: 0;
    transform: translateX(-40px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
}

.page.active {
    display: block;
    opacity: 1;
    transform: translateX(0);
    z-index: 10;
}

.page.exit {
    opacity: 0;
    transform: translateX(40px);
    z-index: 5;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 100;
    border-bottom: 1px solid rgba(255, 255, 255, 0.6);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header h1,
.header h2 {
    font-size: 1.25rem;
    background: linear-gradient(135deg, #4a90d9, #357abd);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: normal;
}

[data-theme="dark"] .header h1,
[data-theme="dark"] .header h2 {
    background: linear-gradient(135deg, #93c5fd, #60a5fa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-pages-title {
    color: #578ACB;
    font-size: 32px;
    margin-left: 10px;
}

[data-theme="dark"] .footer-pages-title {
    color: #83B2F4;
    font-size: 32px;
    margin-left: 10px;
}

/* cf-pages */
[data-theme="light"] #cf-pages .footer-pages-title {
    color: #F6821F;
}

[data-theme="dark"] #cf-pages .footer-pages-title {
    color: #FBAD41;
}

/* jsonbin */
[data-theme="light"] #jsonbin .footer-pages-title {
    color: #3b6ce5;
}

[data-theme="dark"] #jsonbin .footer-pages-title {
    color: #a8c0ff;
}

/* mathjax */
[data-theme="light"] #mathjax .footer-pages-title {
    color: #549C4C;
}

[data-theme="dark"] #mathjax .footer-pages-title {
    color: #98ea8e;
}

/* AI默认 */

/* precautions */
[data-theme="light"] #precautions .footer-pages-title {
    color: #a22525;
}

[data-theme="dark"] #precautions .footer-pages-title {
    color: #ea8e8e;
}

.footer-pages-content {
    font-size: 20px;
    margin-left: 10px;
    line-height: 1.6;
}

hr {
    border: 2px solid #686868;
    border-radius: 2px;
    margin: 5px;
}

[data-theme="dark"] hr {
    border: 2px solid #c2c2c2;
}

.back-btn {
    font-family: 'fillet';
    background: rgba(74, 144, 217, 0.1);
    border: none;
    color: #4a90d9;
    font-size: 1rem;
    cursor: pointer;
    padding: 8px 14px;
    border-radius: 10px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
}

.back-btn:hover {
    background: rgba(74, 144, 217, 0.2);
    transform: translateX(-2px);
}

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

/* 按钮 */
.btn {
    font-family: 'fillet';
    position: relative;
    padding: 8px 16px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform: scale(1.0);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1),
        var(--lggc-shadow);
    overflow: hidden;
    font-weight: normal;
}

.btn:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15),
        var(--lggc-shadow);
    transform: scale(1.03);
    filter: saturate(1.3);
}

.btn:active {
    transform: scale(0.97);
    filter: brightness(1.1) saturate(1.5);
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: -20%;
    width: 20%;
    height: 150%;
    background: rgb(255, 255, 255);
    opacity: 0.5;
    filter: blur(7px);
    transform: translate(-50%, -50%);
    transition: all 0.3s ease;
}

.btn:hover::before {
    transition: all 0.5s ease;
    left: 120%;
}

.btn:active::before {
    left: 50%;
    width: 120%;
    opacity: 0.25;
    transition: all 0.1s ease;
}

.btn-primary {
    font-family: 'fillet';
    background: linear-gradient(135deg, #4a90d9, #357abd);
    color: white;
}

.btn-secondary {
    font-family: 'fillet';
    background: linear-gradient(135deg, #5cb85c, #4cae4c);
    color: white;
}

.btn-danger {
    font-family: 'fillet';
    background: linear-gradient(135deg, #d9534f, #c9302c);
    color: white;
}

.btn-warning {
    font-family: 'fillet';
    background: linear-gradient(135deg, #f0ad4e, #ec971f);
    color: white;
}

.btn-info {
    font-family: 'fillet';
    background: linear-gradient(135deg, #5bc0de, #31b0d5);
    color: white;
}

.btn-sm {
    font-family: 'fillet';
    font-weight: normal;
    padding: 6px 12px;
    font-size: 0.8rem;
}

.btn-block {
    font-family: 'fillet';
    width: 100%;
    justify-content: center;
}

/* 首页 */
.home-content {
    padding: 24px 20px;
    max-width: 700px;
    margin: 0 auto;
}

.home-title {
    text-align: center;
    margin-bottom: 12px;
}

.home-subtitle {
    text-align: center;
    color: #5a6c7d;
    font-size: 0.95rem;
    margin-bottom: 28px;

}

.home-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
    max-width: 600px;
    margin: 0 auto;
}

@media (max-width: 480px) {
    .home-grid {
        grid-template-columns: 1fr;
        max-width: 320px;
    }

    .home-grid .card:last-child {
        grid-column: span 1 !important;
        max-width: 100% !important;
    }
}

.card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 28px 18px;
    box-shadow: var(--shadow-w-s), var(--lggc-shadow);
    cursor: pointer;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.card::before,
.card::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(111, 186, 255, 0.3);
    opacity: 0;
    transform: translate(-50%, -50%) scale(10.0);
    transition: all 0.5s ease;
    z-index: -1;
}

.card::after {
    background: rgba(111, 186, 255, 0.5);
}

.card:active::after {
    transform: scale(50.0);
    opacity: 1;
}

.card:hover {
    transform: scale(1.03);
    box-shadow: 0 16px 40px rgba(74, 144, 217, 0.2);
    border-color: rgba(74, 143, 217, 0.492);
}

.card:active {
    transform: scale(1.04);
    border-color: rgb(74, 143, 217);
}

.card:hover::before {
    transform: scale(50.0);
    opacity: 1;
}

.card-icon {
    font-size: 2.6rem;
    margin-bottom: 14px;
    display: block;
    transition: transform 0.3s;
}

.card:hover .card-icon {
    transform: scale(1.15) rotate(-10deg);
}

.card h3 {
    font-weight: normal;
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: #2c3e50;

}

.card p {
    font-size: 0.82rem;
    color: #5a6c7d;
    line-height: 1.5;
}

/* 弹窗 */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(2px);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 20px;
    opacity: 0;
    transition: all 0.5s ease;
}

.modal-content {
    background: rgba(255, 255, 255, 0.98);
    border-radius: 20px;
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    overflow-x: hidden;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.25);
    animation: modalIn 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(255, 255, 255, 0.8);
}

.modal-content.closing {
    animation: modalOut 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.92) translateY(30px);
    }

    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes modalOut {
    from {
        opacity: 1;
        transform: scale(1) translateY(0);
    }

    to {
        opacity: 0;
        transform: scale(0.95) translateY(20px);
    }
}

.modal-header {
    padding: 18px 22px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, rgba(74, 144, 217, 0.05), rgba(91, 192, 222, 0.05));
}

.modal-header h3 {
    font-weight: normal;
    font-size: 1.15rem;
    color: #2c3e50;

}

.modal-body {
    padding: 22px;
    overflow-y: auto;
}

.modal-footer {
    padding: 16px 22px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    background: rgba(248, 249, 250, 0.8);
    display: flex;
    gap: 10px;
    justify-content: space-around;
}

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

.close-btn {
    background: none;
    border: none;
    font-size: 1.6rem;
    cursor: pointer;
    color: #7f8c8d;
    line-height: 1;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s;
}

.close-btn:hover {
    background: rgba(0, 0, 0, 0.05);
    color: #e74c3c;
    transform: rotate(90deg);
}

/* 表单 */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: #5a6c7d;

}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1.5px solid #e1e8ed;
    border-radius: 10px;
    font-size: 0.95rem;
    transition: all 0.2s;
    font-family: inherit;
    background: #fafbfc;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4a90d9;
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(74, 144, 217, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 90px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

/* 列表 */
.content-area {
    padding: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.list-item {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 14px;
    padding: 16px 18px;
    margin-bottom: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    gap: 14px;
    transition: all 0.25s;
    border: 1px solid rgba(0, 0, 0, 0.03);
}

.list-item:hover {
    transform: translateX(5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
    border-color: rgba(74, 144, 217, 0.15);
}

.badge {
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    white-space: nowrap;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
}

.badge-success {
    background: linear-gradient(135deg, #d4edda, #c3e6cb);
    color: #155724;
}

.badge-waiting {
    background: linear-gradient(135deg, #fff3cd, #ffeeba);
    color: #856404;
}

.list-item-content {
    flex: 1;
    min-width: 0;
}

.list-item-title {

    margin-bottom: 5px;
    font-size: 0.95rem;
    color: #2c3e50;
}

.list-item-meta {
    font-size: 0.82rem;
    color: #5a6c7d;
    line-height: 1.5;
}

.filter-bar {
    padding: 0 0 18px 0;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.filter-bar label {
    font-size: 0.9rem;
    color: #5a6c7d;

}

/* 小帮办双栏 */
.assistant-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    padding: 20px;
    max-width: 1500px;
    margin: 0 auto;
    height: calc(100vh - 70px);
}

.panel {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    overflow-y: auto;
    border: 1px solid rgba(0, 0, 0, 0.03);
}

.panel h3 {
    font-weight: normal;
    margin-bottom: 18px;
    background: linear-gradient(135deg, #4a90d9, #357abd);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.15rem;
    display: flex;
    align-items: center;
    gap: 10px;

}

@media (max-width: 768px) {
    .assistant-layout {
        grid-template-columns: 1fr;
        height: auto;
    }
}

/* 表格 */
.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-top: 10px;
    font-size: 0.9rem;
    border-radius: 12px;
    overflow: hidden;
}

.data-table th,
.data-table td {
    padding: 12px 10px;
    text-align: left;
    border-bottom: 1px solid #eef2f7;
}

.data-table th {
    color: #5a6c7d;

    font-size: 0.82rem;
    background: #f8fafc;
}

.data-table tr:hover {
    background: #f8fafc;
}

.data-table select {
    padding: 6px 10px;
    border-radius: 8px;
    border: 1.5px solid #e1e8ed;
    font-size: 0.85rem;
    background: #fafbfc;
    transition: all 0.2s;
}

.data-table select:focus {
    border-color: #4a90d9;
    outline: none;
}

/* 错题 */
.error-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.error-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.error-card:hover {
    transform: translateY(-5px);
    border-color: rgba(74, 144, 217, 0.3);
    box-shadow: 0 12px 32px rgba(74, 144, 217, 0.15);
}

.error-subject {
    display: inline-block;
    padding: 5px 14px;
    border-radius: 8px;
    font-size: 0.8rem;
    margin-bottom: 12px;

    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

.subject-math {
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
    color: #1565c0;
}

.subject-chinese {
    background: linear-gradient(135deg, #fce4ec, #f8bbd9);
    color: #ad1457;
}

.subject-english {
    background: linear-gradient(135deg, #f3e5f5, #e1bee7);
    color: #6a1b9a;
}

.subject-physics {
    background: linear-gradient(135deg, #e8f5e9, #c8e6c9);
    color: #2e7d32;
}

.subject-chemistry {
    background: linear-gradient(135deg, #fff3e0, #ffe0b2);
    color: #ef6c00;
}

.error-preview {
    font-size: 0.9rem;
    color: #2c3e50;
    line-height: 1.6;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.fullscreen-detail {
    padding: 24px;
    max-width: 800px;
    margin: 0 auto;
}

.detail-images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 20px 0;
}

.detail-images img {
    width: 100%;
    border-radius: 12px;
    border: 1px solid #e1e8ed;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.img-label {
    font-size: 0.82rem;
    color: #5a6c7d;
    margin-bottom: 8px;

}

.analysis-box {
    background: linear-gradient(135deg, #f8fafc, #f0f4f8);
    border-radius: 16px;
    padding: 24px;
    margin-top: 20px;
    border-left: 4px solid #4a90d9;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.latex-content {
    line-height: 1.8;
    font-size: 1.02rem;
}

/* 时光胶囊 */
.time-layout {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.mood-selector {
    display: flex;
    gap: 10px;
    margin: 12px 0 24px;
    flex-wrap: wrap;
}

.mood-btn {
    padding: 10px 20px;
    border: 2px solid #e1e8ed;
    border-radius: 24px;
    background: white;
    cursor: pointer;
    transition: all 0.25s;
    font-size: 0.9rem;
    font-family: 'fillet';
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04);
}

.mood-btn:hover {
    border-color: #4a90d9;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(74, 144, 217, 0.15);
}

.mood-btn.active {
    border-color: #4a90d9;
    background: linear-gradient(135deg, rgba(74, 144, 217, 0.1), rgba(91, 192, 222, 0.1));
    color: #4a90d9;

    box-shadow: 0 4px 12px rgba(74, 144, 217, 0.15);
}

.history-list {
    display: grid;
    margin-top: 24px;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.history-item {
    max-width: 100%;
    min-width: 40%;
    background: rgba(255, 255, 255, 0.75);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 14px;
    box-shadow: var(--shadow-w-s);
    border: 1px solid rgba(0, 0, 0, 0.03);
    transition: all 0.25s;
    position: relative;
}

.history-item:hover {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-w-l);
}

.history-item .mood-tag {
    display: inline-block;
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 0.82rem;
    margin-bottom: 12px;

    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
}

.mood-happy {
    background: linear-gradient(135deg, #fff8e1, #ffecb3);
    color: #f9a825;
}

.mood-sad {
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
    color: #1565c0;
}

.mood-anxious {
    background: linear-gradient(135deg, #fce4ec, #f8bbd9);
    color: #c62828;
}

.mood-calm {
    background: linear-gradient(135deg, #e8f5e9, #c8e6c9);
    color: #2e7d32;
}

.mood-angry {
    background: linear-gradient(135deg, #ffebee, #ffcdd2);
    color: #b71c1c;
}

.mood-tired {
    background: linear-gradient(135deg, #f3e5f5, #e1bee7);
    color: #6a1b9a;
}

.push-message {
    background: linear-gradient(135deg, #4a90d9, #357abd);
    color: white;
    border-radius: 20px;
    padding: 24px;
    margin-bottom: 28px;
    animation: pushIn 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 12px 32px rgba(74, 144, 217, 0.3);
    position: relative;
    overflow: hidden;
}

.push-message::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

@keyframes pushIn {
    from {
        opacity: 0;
        transform: translateY(-30px) scale(0.95);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.report-section {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    padding: 24px;
    margin-top: 24px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.03);
}

.report-person {
    margin-bottom: 18px;
    padding-bottom: 18px;
    border-bottom: 1px solid #eef2f7;
}

.report-person:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.mood-bar-container {
    display: flex;
    gap: 8px;
    margin-top: 10px;
    flex-wrap: wrap;
}

.mood-bar {
    padding: 6px 14px;
    border-radius: 10px;
    font-size: 0.85rem;
    color: white;

    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

/* 值日 */
.duty-config {
    display: flex;
    gap: 12px;
    margin-bottom: 18px;
    flex-wrap: wrap;
    align-items: flex-end;
}

.duty-config input {
    width: 130px;
}

.swap-hint {
    font-size: 0.82rem;
    color: #5a6c7d;
    margin-top: 10px;
    font-style: italic;
    padding: 10px 14px;
    background: rgba(74, 144, 217, 0.05);
    border-radius: 10px;
    border-left: 3px solid #4a90d9;
}

.duty-day {
    margin-bottom: 14px;
    background: rgb(255, 255, 255);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.03);
    transition: all 0.3s ease;
}

.duty-day:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.duty-day-header {
    position: relative;
    padding: 16px 20px;
    color: white;
    cursor: pointer;
    background: rgba(37, 122, 189, var(--alpha));
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
    overflow: hidden;
}

.duty-day-header span,
i {
    z-index: 100;
}

.duty-day-header::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgb(52, 158, 42);
    opacity: 0;
    transform: translate(-50%, -50%) scale(10.0);
    transition: all 0.5s ease;
    z-index: 1;
}

.duty-day-header:hover::after {
    opacity: 1;
    transform: scale(75.0);
}

.duty-day-content {
    opacity: 0;
    max-height: 0px;
    transition: all 0.3s ease;
    overflow-y: hidden;
}

.duty-day-content.active {
    opacity: 1;
    max-height: 500px;
    transition: all 0.5s ease;
}

/* 班级/学生列表 */
.list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
}

.class-item,
.student-row {
    margin-bottom: 10px;
    height: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    border-bottom: 1px solid #eef2f7;
    transition: all 0.2s;
    border-radius: 8px;
    box-shadow: var(--lggc-shadow);
}

.class-item:hover,
.student-row:hover {
    background: #f8fafc;
}

.class-name {
    cursor: pointer;
    flex: 1;

}

.class-name.current {
    color: #4a90d9;

}

.empty-tip {
    text-align: center;
    color: #5a6c7d;
    padding: 40px;
    font-size: 0.95rem;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 16px;
    border: 2px dashed #e1e8ed;
}

/* 连接状态 */
.connection-status {
    position: fixed;
    bottom: 70px;
    right: 24px;
    padding: 10px 18px;
    border-radius: 24px;
    font-size: 0.82rem;
    z-index: 9999;
    box-shadow: var(--lggc-shadow);
    backdrop-filter: blur(8px);
    backdrop-filter: 5px;
}

.status-connected {
    background: rgb(171, 217, 182);
    color: #155724;
    border: 1px solid rgba(21, 87, 36, 0.1);
}

.status-disconnected {
    background: rgb(211, 171, 173);
    color: #721c24;
    border: 1px solid rgba(114, 28, 36, 0.1);
}

/* 图片上传 */
.image-upload {
    margin-top: 8px;
}

.image-preview {
    max-width: 100%;
    max-height: 150px;
    border-radius: 10px;
    margin-top: 10px;
    border: 1px solid #e1e8ed;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

/* 上传进度遮罩 */
.upload-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(24, 22, 48, 0.5);
    backdrop-filter: blur(2px);
    z-index: 20000;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap: 24px;
}

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

.upload-text {
    color: white;
    font-size: 1.6rem;
    letter-spacing: 2px;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.6;
    }
}

.upload-bar-bg {
    width: 260px;
    height: 8px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 0 20px rgba(74, 144, 217, 0.2);
}

.upload-bar-fill {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, #4a90d9, #5bc0de, #4a90d9);
    background-size: 200% 100%;
    border-radius: 4px;
    transition: width 0.3s ease;
    animation: shimmer 1.5s infinite linear;
}

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

    100% {
        background-position: -200% 0;
    }
}

/* 删除按钮 */
.delete-btn {
    background: rgba(217, 83, 79, 0.1);
    color: #d9534f;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    font-size: 0.9rem;
    margin-left: 8px;
}

.delete-btn:hover {
    background: #d9534f;
    color: white;
    transform: scale(1.1);
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 0px;
}

input,
textarea {
    border: none;
    outline: none;
    border-radius: 15px;
    padding: 1em;
    background-color: #ccc;
    box-shadow:
        inset 3px 3px 3px rgba(0, 0, 0, 0.2),
        inset -3px -3px 3px rgba(0, 0, 0, 0.1);
    transition: all 0.5s ease;
}

input:focus,
textarea:focus {
    background-color: white;
    transform: scale(1.01);
    box-shadow:
        inset 3px 3px 3px rgba(0, 0, 0, 0),
        inset -3px -3px 3px rgba(0, 0, 0, 0) 13px 13px 100px #5b5b5b,
        -13px -13px 100px #8d8d8d;
}

.op {
    display: var(--op-display);
}

.op-no-select {
    pointer-events: var(--op-pointer-events);
    user-select: var(--op-pointer-events);
}

.op-status {
    position: fixed;
    left: 50%;
    top: 29.43px;
    transform: translate(-50%, -50%);
    color: #283383;
    font-size: 20px;
}

.updata {
    box-shadow: var(--lggc-shadow);
    border-radius: 20px;
    padding: 28px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    margin-bottom: 20px;
    border: 1px solid rgba(0, 0, 0, 0.03);
    position: relative;
    overflow: hidden;
}

.updata-latest {
    position: absolute;
    top: 0;
    right: 0;
    background: linear-gradient(135deg, #ff9100, #ffd1a2);
    color: white;
    padding: 6px 16px;
    border-bottom-left-radius: 16px;
    font-size: 0.8rem;
}

.updata h3 {
    margin-bottom: 12px;
    font-size: 1.3rem;
}

.updata ul {
    line-height: 2;
    color: #444;
    padding-left: 22px;
}

.footer-container {
    max-height: 1200px;
    text-align: center;
    color: #606060;
    transform: translateY(20px);
    font-size: 12px;
    line-height: 1.8;
}

[data-theme="dark"] .footer-container {
    color: #d9d9d9;
}

a {
    text-decoration: none;
    color: #8a7387;
    background: #00000000;
    border-radius: 5px;
    padding: 3px 3px;
    transition: all 0.3s;
    background: #00000020;
    margin-left: 2px;
    margin-right: 2px;
    box-shadow: var(--lggc-shadow);
}

a:hover {
    color: #795462;
    background: #b0b5c5;
}

a::after {
    font: var(--fa-font-solid);
    content: ' \f35d';
}

[data-theme="dark"] a {
    color: #9b94a8;
    background: #ffffff20;
}

[data-theme="dark"] a:hover {
    color: #eef5f8;
    background: #ffffff50;
}

/* ==================== 深色模式 ==================== */
[data-theme="dark"] {
    --dark-bg-1: #181630;
    --dark-bg-2: #1e3858;
    --dark-bg-3: #195e7d;
    --dark-text-1: #e8f4f8;
    --dark-text-2: #a8d4e6;
    --dark-border: #1e869b;
    --dark-card: rgba(30, 56, 88, 0.92);
    --dark-input: #1e3858;
    --dark-shadow: rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] body {
    background: linear-gradient(135deg, #181630 0%, #1e3858 50%, #181630 100%);
    color: var(--dark-text-1);
}

[data-theme="dark"] .page {
    background: linear-gradient(135deg, #181630 0%, #1e3858 50%, #181630 100%);
}

[data-theme="dark"] .header {
    background: rgba(24, 22, 48, 0.92);
    border-bottom: 1px solid rgba(30, 134, 155, 0.3);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .back-btn {
    background: rgba(96, 165, 250, 0.12);
    color: #93c5fd;
}

[data-theme="dark"] .back-btn:hover {
    background: rgba(96, 165, 250, 0.22);
}

[data-theme="dark"] .card {
    background: rgba(255, 255, 255, 0.1);
    box-shadow: var(--lggc-shadow);
    border: 1px solid rgba(30, 134, 155, 0.2);
}

[data-theme="dark"] .card h3 {
    color: #e8f4f8;
}

[data-theme="dark"] .card p {
    color: #7ab8cc;
}

[data-theme="dark"] .card:hover {
    border-color: rgba(96, 165, 250, 0.35);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
}

[data-theme="dark"] .modal-overlay {
    background: rgba(2, 6, 23, 0.7);
}

[data-theme="dark"] .modal-content {
    background: rgba(30, 56, 88, 0.98);
    border: 1px solid rgba(30, 134, 155, 0.25);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .modal-header {
    background: linear-gradient(135deg, rgba(96, 165, 250, 0.08), rgba(59, 130, 246, 0.04));
    border-bottom: 1px solid rgba(30, 134, 155, 0.2);
}

[data-theme="dark"] .modal-header h3 {
    color: #e8f4f8;
}

[data-theme="dark"] .modal-body {
    color: #d4e8f0;
}

[data-theme="dark"] .modal-footer {
    background: rgba(24, 22, 48, 0.85);
    border-top: 1px solid rgba(30, 134, 155, 0.2);
}

[data-theme="dark"] .close-btn {
    color: #7ab8cc;
}

[data-theme="dark"] .close-btn:hover {
    background: rgba(255, 255, 255, 0.06);
    color: #f87171;
}

[data-theme="dark"] .form-group label {
    color: #7ab8cc;
}

[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group select,
[data-theme="dark"] .form-group textarea {
    background: #1e3858;
    border-color: #1e869b;
    color: #e8f4f8;
}

[data-theme="dark"] .form-group input:focus,
[data-theme="dark"] .form-group select:focus,
[data-theme="dark"] .form-group textarea:focus {
    background: #181630;
    border-color: #60a5fa;
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.12);
}

[data-theme="dark"] .list-item {
    background: rgba(30, 56, 88, 0.85);
    border: 1px solid rgba(30, 134, 155, 0.15);
}

[data-theme="dark"] .list-item:hover {
    border-color: rgba(96, 165, 250, 0.2);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

[data-theme="dark"] .list-item-title {
    color: #e8f4f8;
}

[data-theme="dark"] .list-item-meta {
    color: #7ab8cc;
}

[data-theme="dark"] .filter-bar label {
    color: #7ab8cc;
}

[data-theme="dark"] .panel {
    background: rgba(30, 56, 88, 0.9);
    border: 1px solid rgba(30, 134, 155, 0.15);
}

[data-theme="dark"] .panel h3 {
    background: linear-gradient(135deg, #93c5fd, #60a5fa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="dark"] .data-table th {
    background: #1e3858;
    color: #7ab8cc;
    border-bottom: 1px solid #1e869b;
}

[data-theme="dark"] .data-table td {
    color: #d4e8f0;
    border-bottom: 1px solid #195e7d;
}

[data-theme="dark"] .data-table tr:hover {
    background: rgba(25, 94, 125, 0.4);
}

[data-theme="dark"] .data-table select {
    background: #1e3858;
    border-color: #1e869b;
    color: #e8f4f8;
}

[data-theme="dark"] .error-card {
    background: rgba(30, 56, 88, 0.9);
    border: 1px solid rgba(30, 134, 155, 0.15);
}

[data-theme="dark"] .error-card:hover {
    border-color: rgba(96, 165, 250, 0.25);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

[data-theme="dark"] .error-preview {
    color: #d4e8f0;
}

[data-theme="dark"] .fullscreen-detail {
    color: #d4e8f0;
}

[data-theme="dark"] .img-label {
    color: #7ab8cc;
}

[data-theme="dark"] .analysis-box {
    background: linear-gradient(135deg, #1e3858, #181630);
    border-left: 4px solid #60a5fa;
}

[data-theme="dark"] .latex-content {
    color: #d4e8f0;
}

[data-theme="dark"] .mood-btn {
    background: #1e3858;
    border-color: #1e869b;
    color: #d4e8f0;
}

[data-theme="dark"] .mood-btn:hover {
    border-color: #60a5fa;
}

[data-theme="dark"] .mood-btn.active {
    background: linear-gradient(135deg, rgba(96, 165, 250, 0.12), rgba(59, 130, 246, 0.08));
    color: #93c5fd;
    border-color: #60a5fa;
}

[data-theme="dark"] .history-item {
    background: rgba(255, 255, 255, 0.682);
    border: 1px solid rgba(30, 134, 155, 0.12);
}

[data-theme="dark"] .history-item:hover {
    background: rgba(255, 255, 255, 0.9);
}

[data-theme="dark"] .push-message {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    box-shadow: 0 12px 32px rgba(37, 99, 235, 0.25);
}

[data-theme="dark"] .report-section {
    background: rgba(30, 56, 88, 0.9);
    border: 1px solid rgba(30, 134, 155, 0.12);
}

[data-theme="dark"] .report-person {
    border-bottom: 1px solid #195e7d;
}

[data-theme="dark"] .report-person div:first-child {
    color: #e8f4f8;
}

[data-theme="dark"] .duty-day {
    background: #1e3858;
    border: 1px solid rgba(30, 134, 155, 0.15);
}

[data-theme="dark"] .duty-day-header {
    background: rgba(37, 122, 189, var(--alpha));
}

[data-theme="dark"] .class-item,
[data-theme="dark"] .student-row {
    border-bottom: 1px solid #195e7d;
    color: #d4e8f0;
}

[data-theme="dark"] .class-item:hover,
[data-theme="dark"] .student-row:hover {
    background: rgba(25, 94, 125, 0.3);
}

[data-theme="dark"] .class-name.current {
    color: #93c5fd;
}

[data-theme="dark"] .empty-tip {
    color: #7ab8cc;
    background: rgba(30, 56, 88, 0.5);
    border: 2px dashed #1e869b;
}

[data-theme="dark"] .connection-status.status-connected {
    background: rgba(6, 78, 59, 0.95);
    color: #6ee7b7;
    border: 1px solid rgba(52, 211, 153, 0.2);
}

[data-theme="dark"] .connection-status.status-disconnected {
    background: rgba(127, 29, 29, 0.95);
    color: #fca5a5;
    border: 1px solid rgba(248, 113, 113, 0.2);
}

[data-theme="dark"] .upload-overlay {
    background: rgba(2, 6, 23, 0.75);
}

[data-theme="dark"] .delete-btn {
    background: rgba(248, 113, 113, 0.08);
    color: #f87171;
}

[data-theme="dark"] .delete-btn:hover {
    background: #dc2626;
    color: white;
}

[data-theme="dark"] input,
[data-theme="dark"] textarea {
    background-color: #1e3858;
    color: #e8f4f8;
    box-shadow:
        inset 2px 2px 4px rgba(0, 0, 0, 0.3),
        inset -2px -2px 4px rgba(255, 255, 255, 0.02);
}

[data-theme="dark"] input:focus,
[data-theme="dark"] textarea:focus {
    background-color: #181630;
}

[data-theme="dark"] .op-status {
    color: #93c5fd;
}

[data-theme="dark"] .updata {
    box-shadow: var(--lggc-shadow);
    background: rgba(30, 56, 88, 0.9) !important;
    border: 1px solid rgba(30, 134, 155, 0.15) !important;
}

[data-theme="dark"] .updata h3 {
    color: #93c5fd !important;
}

[data-theme="dark"] .updata ul {
    color: #a8d4e6;
}

[data-theme="dark"] .home-subtitle {
    color: #7ab8cc;
}

[data-theme="dark"] #current-class-display {
    color: #e8f4f8 !important;
}

[data-theme="dark"] .swap-hint {
    color: #7ab8cc;
    background: rgba(96, 165, 250, 0.04);
    border-left: 3px solid #3b82f6;
}

[data-theme="dark"] .badge-success {
    background: linear-gradient(135deg, #064e3b, #065f46);
    color: #6ee7b7;
}

[data-theme="dark"] .badge-waiting {
    background: linear-gradient(135deg, #713f12, #854d0e);
    color: #fde047;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: #1e869b;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: #5a9aaa;
}

[data-theme="dark"] .subject-math {
    background: linear-gradient(135deg, #1e3a5f, #1e40af);
    color: #93c5fd;
}

[data-theme="dark"] .subject-chinese {
    background: linear-gradient(135deg, #831843, #9d174d);
    color: #fbcfe8;
}

[data-theme="dark"] .subject-english {
    background: linear-gradient(135deg, #581c87, #7e22ce);
    color: #e9d5ff;
}

[data-theme="dark"] .subject-physics {
    background: linear-gradient(135deg, #14532d, #166534);
    color: #86efac;
}

[data-theme="dark"] .subject-chemistry {
    background: linear-gradient(135deg, #7c2d12, #9a3412);
    color: #fdba74;
}

/* 浮动主题按钮深色模式 */
[data-theme="dark"] #theme-toggle-btn {
    background: linear-gradient(135deg, #3b83f66a, #2563eb6a) !important;
    box-shadow: var(--lggc-shadow) !important;
}

[data-theme="dark"] #theme-toggle-btn:hover {
    background: linear-gradient(135deg, #60a5fa6a, #3b82f66a) !important;
}

/* 更新日志 */
[data-theme="dark"] .updata-latest {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
}

/* 情绪报告 */
[data-theme="dark"] #report-result .empty-tip {
    background: rgba(30, 56, 88, 0.5);
    border: 2px dashed #1e869b;
    color: #7ab8cc;
}

/* 弹窗中的 op-status */
[data-theme="dark"] .modal-body .op-status {
    color: #f87171;
}

/* 知识集合返回按钮 */
[data-theme="dark"] #page-knowledge .back-btn {
    background: rgba(96, 165, 250, 0.12);
    color: #93c5fd;
}

[data-theme="dark"] #page-knowledge .back-btn:hover {
    background: rgba(96, 165, 250, 0.22);
}

/* 首页标题 */
[data-theme="dark"] .home-title h2 {
    color: #e8f4f8 !important;
}

/* 漂流瓶/错题等页面的 header h2 */
[data-theme="dark"] .header h2 {
    background: linear-gradient(135deg, #93c5fd, #60a5fa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 值日职位标签 */
[data-theme="dark"] #duty-positions-list span {
    background: linear-gradient(135deg, #1e3a5f, #1e40af) !important;
    color: #93c5fd !important;
}

/* 借阅表格中的文字 */
[data-theme="dark"] #borrow-items-list td {
    color: #d4e8f0;
}

[data-theme="dark"] #borrow-items-list td div {
    color: #d4e8f0;
}

/* 时光胶囊 */
[data-theme="dark"] .time-layout>div[style*="background:rgba(255,255,255,0.95)"] {
    background: rgba(30, 56, 88, 0.9) !important;
    border: 1px solid rgba(30, 134, 155, 0.15) !important;
}

[data-theme="dark"] .time-layout h3 {
    background: linear-gradient(135deg, #93c5fd, #60a5fa) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
}

[data-theme="dark"] .time-layout label {
    color: #7ab8cc;
}

/* 知识错题银行筛选 */
[data-theme="dark"] #error-subject-filter {
    background: #1e3858;
    border-color: #1e869b;
    color: #e8f4f8;
}

/* 班级管理弹窗 */
[data-theme="dark"] #modal-class .list-header span {
    color: #e8f4f8;
}

/* 学生名单弹窗 */
[data-theme="dark"] #modal-student .data-table th,
[data-theme="dark"] #modal-student .data-table td {
    color: #e8f4f8;
    border-bottom: 1px solid #195e7d;
}

/* 发布漂流瓶弹窗 */
[data-theme="dark"] #modal-drift-publish .form-group label,
[data-theme="dark"] #modal-drift-receive .form-group label,
[data-theme="dark"] #modal-borrow .form-group label {
    color: #7ab8cc;
}

/* 添加错题弹窗 */
[data-theme="dark"] #modal-add-error .form-group label {
    color: #7ab8cc;
}

/* 管理员弹窗 */
[data-theme="dark"] #modal-op .form-group label {
    color: #7ab8cc;
}

/* 排序控件深色 */
[data-theme="dark"] .sort-bar select {
    background: #1e3858;
    border-color: #1e869b;
    color: #e8f4f8;
}

/* 错题预览深色 */
[data-theme="dark"] .error-preview-box {
    background: #181630;
    border-color: #1e869b;
}

[data-theme="dark"] .error-preview-box h4 {
    color: #7ab8cc;
    border-bottom-color: #195e7d;
}

/* 值日保存按钮区域深色 */
[data-theme="dark"] .duty-save-bar {
    background: rgba(30, 56, 88, 0.92);
    border-top: 1px solid #1e869b;
}

[data-theme="dark"] .duty-save-bar .unsaved-hint {
    color: #fbbf24;
}

/* 编辑错题弹窗深色 */
[data-theme="dark"] #modal-edit-error .form-group label {
    color: #7ab8cc;
}

/* ==================== 排序控件 ==================== */
.sort-bar {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.sort-bar label {
    font-size: 0.9rem;
    color: #5a6c7d;
}

.sort-bar select {
    padding: 6px 12px;
    border-radius: 8px;
    border: 1.5px solid #e1e8ed;
    background: #fafbfc;
    font-size: 0.85rem;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s;
}

.sort-bar select:focus {
    outline: none;
    border-color: #4a90d9;
}

/* ==================== 错题LaTeX预览 ==================== */
.error-preview-box {
    background: #f8fafc;
    border: 1.5px solid #e1e8ed;
    border-radius: 12px;
    padding: 16px;
    margin-top: 12px;
    min-height: 60px;
}

.error-preview-box h4 {
    font-size: 0.85rem;
    color: #5a6c7d;
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid #e1e8ed;
    font-weight: normal;
}

.error-preview-box .preview-content {
    font-size: 0.95rem;
    line-height: 1.7;
    color: #2c3e50;
}

/* ==================== 值日保存栏 ==================== */
.duty-save-bar {
    position: sticky;
    bottom: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    padding: 12px 20px;
    border-top: 1px solid #e1e8ed;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    z-index: 50;
    margin-top: 12px;
    border-radius: 0 0 16px 16px;
}

.duty-save-bar .unsaved-hint {
    color: #d97706;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.duty-save-bar .unsaved-hint.hidden {
    display: none;
}

/* 编辑错题弹窗 */
#modal-edit-error .modal-content {
    max-width: 600px;
}

/* 错题卡片操作按钮 */
.error-card-actions {
    display: flex;
    gap: 6px;
    align-items: center;
}

.error-card-actions .edit-btn {
    background: rgba(74, 144, 217, 0.1);
    color: #4a90d9;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    font-size: 0.9rem;
}

.error-card-actions .edit-btn:hover {
    background: #4a90d9;
    color: white;
    transform: scale(1.1);
}


/* ==================== 深色模式颜色修复 ==================== */

/* 修复深色模式下主背景渐变 */
[data-theme="dark"] body {
    background: linear-gradient(135deg, #181630 0%, #1e3858 50%, #181630 100%);
    color: #d4e8f0;
}

/* 修复卡片hover边框颜色 */
[data-theme="dark"] .card:hover {
    border-color: rgba(96, 165, 250, 0.5);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
}

/* 修复时光胶囊输入区域 */
[data-theme="dark"] .time-layout>div[style*="background:rgba(255,255,255,0.95)"] {
    background: rgba(30, 56, 88, 0.95) !important;
    border: 1px solid rgba(30, 134, 155, 0.3) !important;
}

/* 修复更新日志 */
[data-theme="dark"] .updata {
    background: rgba(30, 56, 88, 0.95) !important;
    border: 1px solid rgba(30, 134, 155, 0.3) !important;
}

[data-theme="dark"] .updata h3 {
    color: #60a5fa !important;
}

[data-theme="dark"] .updata ul {
    color: #a8d4e6;
}

/* 修复情绪标签颜色 */
[data-theme="dark"] .mood-happy {
    background: linear-gradient(135deg, #713f12, #854d0e) !important;
    color: #fde047 !important;
}

[data-theme="dark"] .mood-sad {
    background: linear-gradient(135deg, #1e3a5f, #1e40af) !important;
    color: #93c5fd !important;
}

[data-theme="dark"] .mood-anxious {
    background: linear-gradient(135deg, #831843, #9d174d) !important;
    color: #fbcfe8 !important;
}

[data-theme="dark"] .mood-calm {
    background: linear-gradient(135deg, #14532d, #166534) !important;
    color: #86efac !important;
}

[data-theme="dark"] .mood-angry {
    background: linear-gradient(135deg, #7f1d1d, #991b1b) !important;
    color: #fca5a5 !important;
}

[data-theme="dark"] .mood-tired {
    background: linear-gradient(135deg, #581c87, #7e22ce) !important;
    color: #e9d5ff !important;
}

/* 修复值日header */
[data-theme="dark"] .duty-day-header {
    background: linear-gradient(135deg, #1e3a5f, #1e40af) !important;
}

/* 修复空状态提示 */
[data-theme="dark"] .empty-tip {
    background: rgba(30, 56, 88, 0.6);
    border: 2px dashed #1e869b;
    color: #7ab8cc;
}

/* 修复列表项hover */
[data-theme="dark"] .list-item:hover {
    background: rgba(25, 94, 125, 0.6);
    border-color: rgba(96, 165, 250, 0.3);
}

/* 修复表格 */
[data-theme="dark"] .data-table th {
    background: #1e3858;
    color: #7ab8cc;
}

[data-theme="dark"] .data-table td {
    color: #d4e8f0;
    border-bottom: 1px solid #195e7d;
}

/* 修复弹窗footer按钮 */
[data-theme="dark"] .modal-footer .btn[style*="background:#f0f0f0"] {
    background: #195e7d !important;
    color: #d4e8f0 !important;
}

/* 修复知识集合返回按钮 */
[data-theme="dark"] #page-knowledge .back-btn {
    background: rgba(96, 165, 250, 0.15);
    color: #93c5fd;
}

/* 修复首页标题 */
[data-theme="dark"] .home-title h2 {
    color: #e8f4f8 !important;
}

/* 修复漂流瓶筛选按钮深色模式 */
[data-theme="dark"] .filter-bar .btn-warning {
    background: linear-gradient(135deg, #854d0e, #a16207) !important;
}

/* 修复LaTeX预览框深色 */
[data-theme="dark"] .error-preview-box {
    background: #1e3858;
    border-color: #1e869b;
}

[data-theme="dark"] .error-preview-box h4 {
    color: #7ab8cc;
    border-bottom-color: #195e7d;
}

[data-theme="dark"] .error-preview-box .preview-content {
    color: #d4e8f0;
}

/* 修复排序控件深色 */
[data-theme="dark"] .sort-bar select {
    background: #1e3858;
    border-color: #1e869b;
    color: #e8f4f8;
}

[data-theme="dark"] .sort-bar label {
    color: #7ab8cc;
}

/* 修复值日保存栏 */
[data-theme="dark"] .duty-save-bar {
    background: rgba(24, 22, 48, 0.95);
    border-top: 1px solid #1e869b;
}

/* 修复通知深色模式 */
[data-theme="dark"] .notification {
    background: rgba(30, 56, 88, 0.98);
    color: #d4e8f0;
    border: 1px solid rgba(30, 134, 155, 0.3);
}


/* LaTeX预览框样式 */
.error-preview-box {
    background: #f8fafc;
    border: 1.5px solid #e1e8ed;
    border-radius: 12px;
    padding: 16px;
    margin-top: 12px;
    min-height: 60px;
}

.error-preview-box h4 {
    font-size: 0.85rem;
    color: #5a6c7d;
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid #e1e8ed;
    font-weight: normal;
}

.error-preview-box .preview-content {
    font-size: 0.95rem;
    line-height: 1.7;
    color: #2c3e50;
}

[data-theme="dark"] .error-preview-box {
    background: #1e3858;
    border-color: #1e869b;
}

[data-theme="dark"] .error-preview-box h4 {
    color: #7ab8cc;
    border-bottom-color: #195e7d;
}

[data-theme="dark"] .error-preview-box .preview-content {
    color: #d4e8f0;
}

/* 值日保存栏 */
.duty-save-bar {
    position: sticky;
    bottom: 0;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(5px) brightness(90%);
    padding: 12px 20px;
    border-top: 1px solid #e1e8ed;
    display: none;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    z-index: 500;
    margin-top: 12px;
    border-radius: 16px;
    box-shadow: var(--lggc-shadow), var(--shadow-w-l);
}

.duty-save-bar .unsaved-hint {
    color: #d97706;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.duty-save-bar .unsaved-hint.hidden {
    display: none;
}

[data-theme="dark"] .duty-save-bar {
    background: rgba(24, 22, 48, 0.1);
    box-shadow: var(--lggc-shadow), var(--shadow-b-s);
}

/* 错题卡片操作按钮 */
.error-card-actions {
    display: flex;
    gap: 6px;
    align-items: center;
}

.error-card-actions .edit-btn {
    background: rgba(74, 144, 217, 0.1);
    color: #4a90d9;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    font-size: 0.9rem;
}

.error-card-actions .edit-btn:hover {
    background: #4a90d9;
    color: white;
    transform: scale(1.1);
}

[data-theme="dark"] .error-card-actions .edit-btn {
    background: rgba(96, 165, 250, 0.15);
    color: #60a5fa;
}

[data-theme="dark"] .error-card-actions .edit-btn:hover {
    background: #3b82f6;
    color: white;
}


/* ==================== 提取的内联样式class ==================== */
.home-title-text {
    color: #2c3e50;
    font-size: 1.5rem;
}

.mb-0 {
    margin-bottom: 0;
}

.hidden {
    display: none;
}

.mb-2 {
    margin-bottom: 2px;
}

.modal-md {
    max-width: 600px;
}

.w-80 {
    width: 80px;
}

.btn-cancel {
    background: #f0f0f0;
    color: #555;
}

.text-green {
    color: #5cb85c;
}

.section-divider {
    border-top: 2px dashed #e1e8ed;
    margin-top: 24px;
    padding-top: 24px;
}

.section-title {
    color: #2c3e50;
    font-size: 1.05rem;
    margin-bottom: 14px;
}

.textarea-lg {
    min-height: 100px;
}

.textarea-md {
    min-height: 80px;
}

.flex-gap-mb {
    display: flex;
    gap: 10px;
    margin-bottom: 18px;
}

.input-flex {
    flex: 1;
    padding: 10px 14px;
    border: 1.5px solid #e1e8ed;
    border-radius: 10px;
    background: #fafbfc;
    transition: all 0.2s;
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 28px 0 14px;
    flex-wrap: wrap;
    gap: 10px;
}

.gradient-text-blue {
    background: linear-gradient(135deg, #4a90d9, #357abd);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.select-filter {
    padding: 8px 12px;
    border-radius: 10px;
    border: 1.5px solid #e1e8ed;
    background: #fafbfc;
    font-size: 0.9rem;
}

.page-knowledge-style {
    color: #195e7d;
    line-height: 1.6;
}

.page-knowledge-text {
    line-height: 1.6;
    color: #195e7d;
}

.text-dark {
    color: #2c3e50;
}

.hidden-alt {
    display: none;
}

.content-narrow {
    max-width: 700px;
}

.text-dark-alt {
    color: #2c3e50;
}

.card-white {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.03);
}

.gradient-title-blue {
    margin-bottom: 18px;
    background: linear-gradient(135deg, #4a90d9, #357abd);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mb-text-dark {
    margin-bottom: 14px;
    color: #2c3e50;
}

.search-input {
    background: #fafbfc;
    border-radius: 10px;
    border: 1.5px solid #e1e8ed;
    flex: 1;
    padding: 10px 14px;
    transition: all 0.2s;
}

.history-header-alt {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: space-between;
    margin: 28px 0 14px;
}

.select-filter-alt {
    background: #fafbfc;
    border-radius: 10px;
    border: 1.5px solid #e1e8ed;
    font-size: 0.9rem;
    padding: 8px 12px;
}

.mb-18 {
    margin-bottom: 18px;
}

.section-divider-alt {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 2px dashed #e1e8ed;
}

.section-title-alt {
    margin-bottom: 14px;
    font-size: 1.05rem;
    color: #2c3e50;
}

.theme-toggle-btn {
    font-family: 'fillet';
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    padding: 10px 18px;
    border-radius: 24px;
    font-size: 0.82rem;
    cursor: pointer;
    border: none;
    background: linear-gradient(135deg, #4a90d9aa, #357abdaa);
    color: white;
    box-shadow: var(--lggc-shadow);
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s;
}

.no-wrap {
    white-space: nowrap;
}

.text-admin {
    color: #c62828;
}

/* ==================== 深色模式 - 新class ==================== */
[data-theme="dark"] .home-title-text {
    color: #e8f4f8;
}

[data-theme="dark"] .card-white {
    background: rgba(30, 41, 59, 0.9);
    border: 1px solid rgba(71, 85, 105, 0.15);
}

[data-theme="dark"] .updata-blue {
    background: rgba(30, 41, 59, 0.9) !important;
    border: 1px solid rgba(71, 85, 105, 0.15) !important;
}

[data-theme="dark"] .updata-green {
    background: rgba(30, 41, 59, 0.9) !important;
    border: 1px solid rgba(71, 85, 105, 0.15) !important;
}

[data-theme="dark"] .text-blue {
    color: #93c5fd !important;
}

[data-theme="dark"] .text-green {
    color: #86efac !important;
}

[data-theme="dark"] .section-divider,
[data-theme="dark"] .section-divider-alt {
    border-top-color: #1e869b;
}

[data-theme="dark"] .section-title,
[data-theme="dark"] .section-title-alt,
[data-theme="dark"] .text-dark,
[data-theme="dark"] .text-dark-alt,
[data-theme="dark"] .mb-text-dark {
    color: #e8f4f8;
}

[data-theme="dark"] .input-flex,
[data-theme="dark"] .search-input {
    background: #1e3858;
    border-color: #1e869b;
    color: #e8f4f8;
}

[data-theme="dark"] .select-filter,
[data-theme="dark"] .select-filter-alt {
    background: #1e3858;
    border-color: #1e869b;
    color: #e8f4f8;
}

[data-theme="dark"] .page-knowledge-style,
[data-theme="dark"] .page-knowledge-text {
    color: #d4e8f0;
}

[data-theme="dark"] .gradient-text-blue,
[data-theme="dark"] .gradient-title-blue {
    background: linear-gradient(135deg, #93c5fd, #60a5fa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="dark"] .btn-cancel {
    background: #195e7d !important;
    color: #d4e8f0 !important;
}

[data-theme="dark"] .theme-toggle-btn {
    background: linear-gradient(135deg, #3b82f6, #2563eb) !important;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.45) !important;
}

[data-theme="dark"] .no-wrap {
    color: #d4e8f0;
}

.latex-toolbar {
    width: 210px;
    flex-shrink: 0;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 12px;
    overflow-y: auto;
    user-select: none;
    position: sticky;
    top: 0;
    max-height: fit-content;
}

[data-theme="dark"] .latex-toolbar {
    background: #1e293b;
    border-color: #334155;
}

.latex-toolbar h4 {
    margin: 0 0 8px 0;
    font-size: 0.85rem;
    color: #4a90d9;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

[data-theme="dark"] .latex-toolbar h4 {
    color: #60a5fa;
}

.latex-group {
    margin-bottom: 10px;
}

.latex-group-title {
    font-size: 0.75rem;
    color: #64748b;
    margin-bottom: 4px;
    font-weight: 500;
}

[data-theme="dark"] .latex-group-title {
    color: #94a3b8;
}

.latex-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.latex-btn {
    padding: 4px 8px;
    font-size: 0.82rem;
    border: 1px solid #cbd5e1;
    background: #fff;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s;
    font-family: 'fillet', 'Fira Code', 'Courier New', monospace;
    color: #334155;
    line-height: 1.4;
}

[data-theme="dark"] .latex-btn {
    background: #0f172a;
    border-color: #475569;
    color: #e2e8f0;
}

.latex-btn:hover {
    background: #e0f2fe;
    border-color: #4a90d9;
    color: #1565c0;
    transform: translateY(-1px);
}

[data-theme="dark"] .latex-btn:hover {
    background: #1e3a8a;
    border-color: #60a5fa;
    color: #93c5fd;
}

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

.latex-btn.wide {
    flex: 1 1 auto;
    min-width: 60px;
}

.modal-body-flex {
    display: flex;
    gap: 16px;
}

.modal-form-area {
    flex: 1;
    min-width: 0;
}

@media (max-width: 768px) {
    .latex-toolbar {
        display: none;
    }

    .modal-body-flex {
        display: block;
    }
}

.duty-day-content select,
.duty-day-content option {
    color: #000000 !important;
}

.duty-day-content select {
    background: #d7d7d7 !important;
    border: #848484 solid 2px !important
}

select,
option {
    font-family: 'fillet';
}