/**
 * 教育局代举报平台 - 样式表
 * 教育局代举报网站 主样式
 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #1a73e8;
    --primary-dark: #1557b0;
    --primary-light: #e8f0fe;
    --success: #34a853;
    --warning: #f9ab00;
    --danger: #dc3545;
    --info: #4285f4;
    --text: #202124;
    --text-light: #5f6368;
    --border: #dadce0;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.1);
}

html {
    font-size: 15px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--text);
    background: var(--bg-light);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--primary-dark); }

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==================== 顶部导航 ==================== */
.wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.header {
    background: linear-gradient(135deg, var(--primary) 0%, #4285f4 100%);
    color: #fff;
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    flex-wrap: wrap;
    gap: 10px;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

.logo .tagline {
    font-size: 0.85rem;
    opacity: 0.9;
    margin-top: 2px;
}

.nav {
    display: flex;
    gap: 5px;
}

.nav a {
    color: rgba(255, 255, 255, 0.9);
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 0.95rem;
    transition: all 0.2s;
}

.nav a:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
}

.nav a.active {
    background: rgba(255, 255, 255, 0.2);
    font-weight: 600;
}

/* ==================== 公告栏 ==================== */
.notice-bar {
    background: #fef7e0;
    border-bottom: 1px solid #fde293;
    padding: 10px 0;
    font-size: 0.9rem;
    color: #5f4b00;
}

.notice-bar .container {
    display: flex;
    align-items: center;
    gap: 8px;
}

.notice-icon {
    font-size: 1.1rem;
}

/* ==================== 卡片 ==================== */
.page-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 25px 30px;
    margin: 25px 0;
}

.card-header {
    margin-bottom: 25px;
}

.card-header h2 {
    font-size: 1.4rem;
    margin-bottom: 5px;
}

.card-desc {
    color: var(--text-light);
    font-size: 0.9rem;
}

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

/* ==================== 表单 ==================== */
.form-section {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px dashed var(--border);
}

.form-section:last-of-type {
    border-bottom: none;
}

.section-title {
    font-size: 1.15rem;
    color: var(--primary-dark);
    margin-bottom: 18px;
    padding-left: 10px;
    border-left: 3px solid var(--primary);
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 0;
}

.form-row.two-col .form-group { flex: 1; }
.form-row.three-col { gap: 15px; }
.form-row.three-col .form-group { flex: 1; }

.form-group {
    margin-bottom: 18px;
}

.form-label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    font-size: 0.92rem;
    color: var(--text);
}

.form-control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
    background: #fff;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
}

.textarea-large {
    min-height: 180px;
    resize: vertical;
    line-height: 1.7;
}

.form-hint {
    margin-top: 5px;
    font-size: 0.85rem;
    color: var(--text-light);
}

.privacy-notice {
    background: var(--primary-light);
    color: var(--primary-dark);
    padding: 10px 15px;
    border-radius: 6px;
    margin-bottom: 18px;
    font-size: 0.9rem;
}

/* ==================== 文件上传 ==================== */
.file-upload {
    border: 2px dashed var(--border);
    border-radius: 8px;
    padding: 25px;
    text-align: center;
    transition: border-color 0.2s, background 0.2s;
}

.file-upload:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.form-control-file {
    display: none;
}

.file-label {
    display: inline-block;
    padding: 10px 20px;
    background: var(--primary-light);
    color: var(--primary-dark);
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background 0.2s;
}

.file-label:hover {
    background: #d3e3fd;
}

#file_list {
    margin-top: 15px;
    text-align: left;
}

.file-item {
    padding: 6px 10px;
    background: var(--bg-light);
    border-radius: 4px;
    margin-bottom: 5px;
    font-size: 0.85rem;
}

.file-size { color: var(--text-light); }

/* ==================== 验证码 ==================== */
.captcha-group {
    display: flex;
    gap: 10px;
    align-items: center;
    max-width: 280px;
}

.captcha-input {
    width: 150px;
}

.captcha-img {
    height: 38px;
    cursor: pointer;
    border-radius: 4px;
    border: 1px solid var(--border);
}

/* ==================== 按钮 ==================== */
.btn {
    display: inline-block;
    padding: 9px 22px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.95rem;
    font-family: inherit;
    text-decoration: none;
    text-align: center;
    transition: all 0.2s;
    line-height: 1.4;
}

.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.btn-primary {
    background: var(--primary);
    color: #fff;
}
.btn-primary:hover { background: var(--primary-dark); color: #fff; }

.btn-secondary {
    background: #e8eaed;
    color: var(--text);
}
.btn-secondary:hover { background: #dadce0; color: var(--text); }

.btn-danger {
    background: var(--danger);
    color: #fff;
}
.btn-danger:hover { background: #c82333; color: #fff; }

.btn-large {
    padding: 12px 32px;
    font-size: 1.05rem;
}

.btn-small {
    padding: 5px 12px;
    font-size: 0.85rem;
}

.btn-block {
    display: block;
    width: 100%;
}

.btn-group {
    display: flex;
    gap: 12px;
    align-items: center;
}

.form-actions {
    margin-top: 25px;
}

.checkbox-label {
    display: block;
    margin-bottom: 18px;
    font-size: 0.9rem;
    color: var(--text-light);
    cursor: pointer;
}

.checkbox-label input {
    margin-right: 6px;
}

/* ==================== 提示框 ==================== */
.alert {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 18px;
    font-size: 0.92rem;
}

.alert-success { background: #e6f4ea; color: #137333; border: 1px solid #ceead6; }
.alert-error { background: #fce8e6; color: #c5221f; border: 1px solid #fad2cf; }
.alert-warning { background: #fef7e0; color: #b06000; border: 1px solid #feefc3; }
.alert-info { background: #e8f0fe; color: #174ea6; border: 1px solid #d2e3fc; }

.alert ul { margin: 8px 0 0 20px; }

/* ==================== 成功页面 ==================== */
.success-card {
    text-align: center;
    padding: 50px 30px;
}

.success-icon {
    font-size: 4rem;
    margin-bottom: 15px;
}

.success-card h2 {
    font-size: 1.6rem;
    margin-bottom: 10px;
    color: var(--success);
}

.success-text {
    color: var(--text-light);
    margin-bottom: 25px;
}

.success-info {
    background: var(--bg-light);
    border-radius: 8px;
    padding: 20px;
    max-width: 450px;
    margin: 0 auto 25px;
    text-align: left;
}

.info-item {
    display: flex;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
    gap: 8px;
}

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

.info-label {
    font-weight: 600;
    min-width: 80px;
    color: var(--text-light);
}

.info-value {
    font-size: 1.05rem;
}

.info-value.highlight {
    color: var(--danger);
    font-weight: bold;
    font-size: 1.2rem;
    letter-spacing: 1px;
}

.info-tip {
    width: 100%;
    color: var(--danger);
    font-size: 0.85rem;
}

/* ==================== 页脚 ==================== */
.footer {
    margin-top: auto;
    background: #202124;
    color: #bdc1c6;
    text-align: center;
    padding: 25px 20px;
    font-size: 0.85rem;
}

.footer .container p { margin: 3px 0; }
.footer-tip { color: #80868b; font-size: 0.78rem; }

/* ==================== 后台样式 ==================== */
.admin-wrapper {
    min-height: 100vh;
    background: var(--bg-light);
}

.admin-header {
    background: #202124;
    color: #fff;
    box-shadow: var(--shadow);
}

.admin-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 20px;
    flex-wrap: wrap;
    gap: 10px;
}

.admin-logo {
    font-size: 1.1rem;
    font-weight: 600;
}

.admin-user {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
}

/* 统计卡片 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 15px;
    margin: 25px 0;
}

.stat-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary);
    transition: transform 0.2s, box-shadow 0.2s;
}

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

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 6px;
}

.stat-label {
    color: var(--text-light);
    font-size: 0.9rem;
}

.stat-total { border-left-color: #202124; }
.stat-total .stat-number { color: #202124; }
.stat-pending { border-left-color: var(--warning); }
.stat-pending .stat-number { color: var(--warning); }
.stat-processing { border-left-color: var(--info); }
.stat-processing .stat-number { color: var(--info); }
.stat-resolved { border-left-color: var(--success); }
.stat-resolved .stat-number { color: var(--success); }
.stat-today { border-left-color: var(--danger); }
.stat-today .stat-number { color: var(--danger); }

/* 过滤栏 */
.filter-bar {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.filter-form { width: 100%; }

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

.filter-select {
    width: 160px;
    flex-shrink: 0;
}

.filter-input {
    flex: 1;
    min-width: 200px;
}

/* 表格 */
.table-responsive {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.data-table thead th {
    background: var(--bg-light);
    padding: 12px 15px;
    text-align: left;
    font-weight: 600;
    color: var(--text-light);
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
}

.data-table tbody tr {
    border-bottom: 1px solid var(--border);
    transition: background 0.15s;
}

.data-table tbody tr:hover {
    background: var(--primary-light);
}

.data-table tbody td {
    padding: 12px 15px;
    vertical-align: top;
}

.data-table small {
    color: var(--text-light);
    font-size: 0.82rem;
}

.report-link {
    color: var(--text);
    font-weight: 500;
}

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

/* 状态徽章 */
.status-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.82rem;
    font-weight: 500;
}

.status-pending { background: #fef7e0; color: #b06000; }
.status-processing { background: #e8f0fe; color: #174ea6; }
.status-resolved { background: #e6f4ea; color: #137333; }
.status-rejected { background: #fce8e6; color: #c5221f; }

/* 详情表 */
.detail-table {
    width: 100%;
    border-collapse: collapse;
}

.detail-table th,
.detail-table td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}

.detail-table th {
    width: 120px;
    text-align: right;
    color: var(--text-light);
    font-weight: 500;
    background: var(--bg-light);
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-light);
}

.empty-state p {
    font-size: 1rem;
}

/* 分页 */
.pagination {
    margin-top: 25px;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 5px;
    flex-wrap: wrap;
}

.page-link {
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text);
    background: #fff;
    font-size: 0.9rem;
    transition: all 0.15s;
}

.page-link:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.page-link.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.page-info {
    margin-left: 10px;
    color: var(--text-light);
    font-size: 0.88rem;
}

/* 状态条 */
.status-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 1.05rem;
    font-weight: 600;
}

.status-bar.status-pending { background: #fef7e0; color: #b06000; }
.status-bar.status-processing { background: #e8f0fe; color: #174ea6; }
.status-bar.status-resolved { background: #e6f4ea; color: #137333; }
.status-bar.status-rejected { background: #fce8e6; color: #c5221f; }

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: currentColor;
    display: inline-block;
}

/* 查询表单 */
.query-form {
    max-width: 400px;
    margin: 20px auto;
}

.query-form .btn {
    width: 100%;
    padding: 12px;
}

/* 后台表单 */
.admin-form {
    margin-top: 15px;
}

hr {
    border: none;
    border-top: 1px solid var(--border);
}

/* ==================== 响应式 ==================== */
/* ==================== 主题切换按钮 ==================== */
.theme-toggle {
    background: none;
    border: none;
    color: rgba(255,255,255,0.9);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 6px 10px;
    border-radius: var(--radius);
    transition: all 0.2s;
    line-height: 1;
}
.theme-toggle:hover {
    background: rgba(255,255,255,0.15);
    color: #fff;
}
.admin-header .theme-toggle {
    color: #bdc1c6;
}
.admin-header .theme-toggle:hover {
    background: rgba(255,255,255,0.1);
    color: #fff;
}

/* ==================== 暗黑模式 ==================== */
[data-theme="dark"] {
    --primary: #4a9eff;
    --primary-dark: #6aafff;
    --primary-light: #1e3a5f;
    --text: #e0e0e0;
    --text-light: #9aa0a6;
    --border: #3c4043;
    --bg-light: #1a1a2e;
    --bg-white: #232340;
    --shadow: 0 1px 3px rgba(0,0,0,0.3), 0 1px 2px rgba(0,0,0,0.2);
    --shadow-lg: 0 4px 12px rgba(0,0,0,0.4);
}
[data-theme="dark"] body {
    background: var(--bg-light);
    color: var(--text);
}
[data-theme="dark"] .header {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}
[data-theme="dark"] .nav a {
    color: rgba(255,255,255,0.7);
}
[data-theme="dark"] .notice-bar {
    background: #2d2d1a;
    border-bottom-color: #5f5f00;
    color: #d4c47a;
}
[data-theme="dark"] .page-card {
    background: var(--bg-white);
}
[data-theme="dark"] .form-control {
    background: #1e1e36;
    color: var(--text);
    border-color: var(--border);
}
[data-theme="dark"] .form-control:focus {
    background: #1e1e36;
}
[data-theme="dark"] .btn-secondary {
    background: #3c4043;
    color: var(--text);
}
[data-theme="dark"] .btn-secondary:hover {
    background: #4a4d51;
}
[data-theme="dark"] .file-upload {
    border-color: var(--border);
}
[data-theme="dark"] .file-upload:hover {
    background: #1e1e3a;
}
[data-theme="dark"] .file-label {
    background: #1e3a5f;
    color: #4a9eff;
}
[data-theme="dark"] .file-label:hover {
    background: #2a4a7a;
}
[data-theme="dark"] .file-item {
    background: #1e1e36;
}
[data-theme="dark"] .privacy-notice {
    background: #1e3a5f;
    color: #8ab4f8;
}
[data-theme="dark"] .alert-success { background: #1e3a2a; color: #81c995; border-color: #2d5a3e; }
[data-theme="dark"] .alert-error { background: #3a1e1e; color: #f28b82; border-color: #5a2d2d; }
[data-theme="dark"] .alert-warning { background: #3a3a1e; color: #fdd663; border-color: #5a5a2d; }
[data-theme="dark"] .alert-info { background: #1e2d3a; color: #8ab4f8; border-color: #2d4a5a; }
[data-theme="dark"] .footer {
    background: #0d0d1a;
}
[data-theme="dark"] .admin-wrapper {
    background: var(--bg-light);
}
[data-theme="dark"] .admin-header {
    background: #0d0d1a;
}
[data-theme="dark"] .stat-card {
    background: var(--bg-white);
}
[data-theme="dark"] .stat-card:hover {
    box-shadow: var(--shadow-lg);
}
[data-theme="dark"] .data-table thead th {
    background: #1e1e36;
    color: var(--text-light);
}
[data-theme="dark"] .data-table tbody tr {
    border-bottom-color: var(--border);
}
[data-theme="dark"] .data-table tbody tr:hover {
    background: #1e3a5f;
}
[data-theme="dark"] .data-table td {
    color: var(--text);
}
[data-theme="dark"] .report-link {
    color: var(--text);
}
[data-theme="dark"] .detail-table th {
    background: #1e1e36;
    color: var(--text-light);
}
[data-theme="dark"] .detail-table th,
[data-theme="dark"] .detail-table td {
    border-bottom-color: var(--border);
}
[data-theme="dark"] .success-info {
    background: #1e1e36;
}
[data-theme="dark"] .page-link {
    background: #1e1e36;
    color: var(--text);
    border-color: var(--border);
}
[data-theme="dark"] .page-link:hover {
    border-color: var(--primary);
    color: var(--primary);
}
[data-theme="dark"] .page-link.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
[data-theme="dark"] .status-pending { background: #3a3a1e; color: #fdd663; }
[data-theme="dark"] .status-processing { background: #1e2d3a; color: #8ab4f8; }
[data-theme="dark"] .status-resolved { background: #1e3a2a; color: #81c995; }
[data-theme="dark"] .status-rejected { background: #3a1e1e; color: #f28b82; }
[data-theme="dark"] .status-bar.status-pending { background: #3a3a1e; color: #fdd663; }
[data-theme="dark"] .status-bar.status-processing { background: #1e2d3a; color: #8ab4f8; }
[data-theme="dark"] .status-bar.status-resolved { background: #1e3a2a; color: #81c995; }
[data-theme="dark"] .status-bar.status-rejected { background: #3a1e1e; color: #f28b82; }
[data-theme="dark"] .checkbox-label { color: var(--text-light); }
[data-theme="dark"] .form-label { color: var(--text); }
[data-theme="dark"] hr { border-top-color: var(--border); }
[data-theme="dark"] .captcha-img { border-color: var(--border); }

@media (max-width: 768px) {
    .form-row.two-col,
    .form-row.three-col {
        flex-direction: column;
        gap: 0;
    }

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

    .nav {
        justify-content: center;
        flex-wrap: wrap;
    }

    .admin-header .container {
        flex-direction: column;
        align-items: stretch;
    }

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

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

    .page-card {
        padding: 18px 15px;
    }

    .data-table thead {
        display: none;
    }

    .data-table, .data-table tbody, .data-table tr, .data-table td {
        display: block;
        width: 100%;
    }

    .data-table tr {
        margin-bottom: 12px;
        background: #fff;
        border: 1px solid var(--border);
        border-radius: 6px;
        padding: 5px;
    }

    .data-table td {
        border: none;
        padding: 6px 10px;
    }

    .detail-table th {
        width: auto;
        display: block;
        text-align: left;
    }

    .filter-group {
        flex-direction: column;
    }

    .filter-select, .filter-input {
        width: 100%;
    }
}