/* ============================================================
   Use of Force Report System - 主样式表
   警用系统风格: 深色背景 + 警蓝点缀
   ============================================================ */

* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg: #0f1923;
    --bg-panel: #1a2733;
    --bg-card: #243447;
    --bg-input: #2d4055;
    --border: #3a5169;
    --text: #e8eef5;
    --text-dim: #8ba3bc;
    --primary: #1e5fb3;
    --primary-hover: #2a7de1;
    --success: #27ae60;
    --warning: #f39c12;
    --danger: #c0392b;
    --info: #3498db;
    --purple: #8e44ad;

    --radius: 6px;
    --shadow: 0 2px 8px rgba(0,0,0,0.3);
}

body {
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

a { color: var(--primary-hover); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ============ 顶部导航 ============ */
.navbar {
    background: var(--bg-panel);
    border-bottom: 2px solid var(--primary);
    padding: 0 24px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}
.navbar-brand {
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 10px;
}
.navbar-brand .badge-icon {
    background: var(--primary);
    color: #fff;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    letter-spacing: 1px;
}
.navbar-user {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 14px;
}
.navbar-user .user-info {
    text-align: right;
}
.navbar-user .user-name { font-weight: 600; }
.navbar-user .user-meta { font-size: 12px; color: var(--text-dim); }
.navbar-user .btn-logout {
    background: var(--danger);
    color: #fff;
    border: none;
    padding: 6px 14px;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 13px;
}
.navbar-user .btn-logout:hover { opacity: 0.85; }
.navbar-user .btn-changepwd {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    padding: 6px 14px;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s;
}
.navbar-user .btn-changepwd:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ============ 导航菜单 ============ */
.nav-menu {
    display: flex;
    gap: 4px;
    margin-left: 24px;
}
.nav-menu a {
    color: var(--text-dim);
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 14px;
    transition: all 0.2s;
}
.nav-menu a:hover, .nav-menu a.active {
    background: var(--bg-input);
    color: var(--text);
    text-decoration: none;
}

/* ============ 主容器 ============ */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
}

/* ============ 卡片 ============ */
.card {
    background: var(--bg-panel);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}
.card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
}

/* ============ 统计概览 ============ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}
.stat-card {
    background: var(--bg-panel);
    border-left: 4px solid var(--primary);
    border-radius: var(--radius);
    padding: 18px 20px;
    box-shadow: var(--shadow);
}
.stat-card.danger { border-left-color: var(--danger); }
.stat-card.warning { border-left-color: var(--warning); }
.stat-card.success { border-left-color: var(--success); }
.stat-card.info { border-left-color: var(--info); }

.stat-label {
    font-size: 12px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px;
}
.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text);
}

/* ============ 表单 ============ */
.form-group {
    margin-bottom: 18px;
}
.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
}
.form-group label .required { color: var(--danger); }
.form-group .hint {
    font-size: 12px;
    color: var(--text-dim);
    margin-top: 4px;
}

input[type="text"], input[type="password"], input[type="date"],
input[type="time"], input[type="datetime-local"],
select, textarea {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 14px;
    font-family: inherit;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-hover);
    box-shadow: 0 0 0 2px rgba(42,125,225,0.2);
}
textarea { resize: vertical; min-height: 80px; }

/* 复选框组 */
.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 8px;
    padding: 12px;
    background: var(--bg-input);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}
.checkbox-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    cursor: pointer;
    border-radius: 4px;
    transition: background 0.15s;
}
.checkbox-item:hover { background: rgba(255,255,255,0.05); }
.checkbox-item input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

/* 表单行 */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
}

/* ============ 按钮 ============ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    transition: all 0.2s;
    text-decoration: none;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); text-decoration: none; }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { opacity: 0.88; text-decoration: none; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { opacity: 0.88; text-decoration: none; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-warning:hover { opacity: 0.88; text-decoration: none; }
.btn-secondary { background: var(--bg-input); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); text-decoration: none; }
.btn-sm { padding: 6px 12px; font-size: 12px; }

/* ============ 表格 ============ */
.table-wrapper {
    overflow-x: auto;
}
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
table thead {
    background: var(--bg-card);
}
table th {
    text-align: left;
    padding: 12px 14px;
    font-weight: 600;
    color: var(--text-dim);
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
}
table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    color: var(--text);
}
table tbody tr:hover { background: var(--bg-card); }
table .text-center { text-align: center; }
table .text-dim { color: var(--text-dim); }
table .text-mono { font-family: 'Consolas', monospace; font-size: 13px; }

/* ============ 状态标签 ============ */
.tag {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
}
.tag-pending { background: rgba(243,156,18,0.2); color: var(--warning); }
.tag-under_review { background: rgba(52,152,219,0.2); color: var(--info); }
.tag-approved { background: rgba(39,174,96,0.2); color: var(--success); }
.tag-needs_revision { background: rgba(192,57,43,0.2); color: var(--danger); }
.tag-rejected { background: rgba(192,57,43,0.3); color: #e74c3c; }
.tag-closed { background: rgba(149,165,166,0.25); color: #7f8c8d; }

/* ============ 分页 ============ */
.pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 16px;
    font-size: 14px;
}
.pagination-info { color: var(--text-dim); }
.pagination-controls {
    display: flex;
    gap: 6px;
}
.pagination-controls button {
    background: var(--bg-input);
    color: var(--text);
    border: 1px solid var(--border);
    padding: 6px 12px;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 13px;
}
.pagination-controls button:hover:not(:disabled) {
    background: var(--primary);
}
.pagination-controls button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ============ 筛选栏 ============ */
.filter-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
    padding: 16px;
    background: var(--bg-panel);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}
.filter-bar .search-box {
    grid-column: span 2;
}

/* ============ 登录页 ============ */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #0f1923 0%, #1a2733 100%);
}
.login-box {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 40px;
    width: 100%;
    max-width: 380px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}
.login-box h1 {
    font-size: 22px;
    text-align: center;
    margin-bottom: 8px;
}
.login-box .subtitle {
    text-align: center;
    color: var(--text-dim);
    font-size: 13px;
    margin-bottom: 28px;
}
.login-box .badge-icon {
    display: block;
    width: fit-content;
    margin: 0 auto 16px;
    background: var(--primary);
    color: #fff;
    padding: 8px 16px;
    border-radius: 4px;
    font-size: 12px;
    letter-spacing: 2px;
}
.login-box .error-msg {
    background: rgba(192,57,43,0.15);
    border: 1px solid var(--danger);
    color: #e74c3c;
    padding: 10px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-size: 13px;
    display: none;
}
.login-box .btn { width: 100%; justify-content: center; }

/* ============ 详情页 ============ */
.detail-section {
    margin-bottom: 24px;
}
.detail-section h3 {
    font-size: 15px;
    color: var(--primary-hover);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}
.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}
.detail-item {
    background: var(--bg-card);
    padding: 12px;
    border-radius: var(--radius);
}
.detail-item .label {
    font-size: 12px;
    color: var(--text-dim);
    margin-bottom: 4px;
}
.detail-item .value {
    font-size: 14px;
    color: var(--text);
    word-break: break-word;
}

/* 审核时间线 */
.timeline {
    position: relative;
    padding-left: 24px;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border);
}
.timeline-item {
    position: relative;
    padding-bottom: 20px;
}
.timeline-item::before {
    content: '';
    position: absolute;
    left: -20px;
    top: 6px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--primary);
}
.timeline-item .timeline-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 4px;
}
.timeline-item .timeline-action { font-weight: 600; font-size: 14px; }
.timeline-item .timeline-time { font-size: 12px; color: var(--text-dim); }
.timeline-item .timeline-comment {
    background: var(--bg-card);
    padding: 10px;
    border-radius: var(--radius);
    font-size: 13px;
    margin-top: 6px;
}

/* ============ 提示消息 ============ */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-size: 14px;
}
.alert-success { background: rgba(39,174,96,0.15); border: 1px solid var(--success); color: var(--success); }
.alert-error { background: rgba(192,57,43,0.15); border: 1px solid var(--danger); color: #e74c3c; }
.alert-info { background: rgba(52,152,219,0.15); border: 1px solid var(--info); color: var(--info); }

/* ============ 审核操作区 ============ */
.review-box {
    background: var(--bg-card);
    padding: 20px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}
.review-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 12px;
}

/* ============ 空状态 ============ */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-dim);
}
.empty-state .icon { font-size: 48px; margin-bottom: 12px; }

/* ============ 条形图（简易统计图） ============ */
.bar-chart { margin-top: 8px; }
.bar-chart-item {
    display: flex;
    align-items: center;
    margin-bottom: 6px;
    font-size: 13px;
}
.bar-chart-item .bar-label {
    width: 120px;
    color: var(--text-dim);
}
.bar-chart-item .bar-track {
    flex: 1;
    background: var(--bg-input);
    border-radius: 3px;
    height: 18px;
    overflow: hidden;
}
.bar-chart-item .bar-fill {
    height: 100%;
    background: var(--primary);
    transition: width 0.5s;
}
.bar-chart-item .bar-value {
    width: 40px;
    text-align: right;
    color: var(--text);
}

/* ============ 响应式 ============ */

/* 超大屏 ≥1440px */
@media (min-width: 1440px) {
    .container { max-width: 1600px; }
    .stats-grid { grid-template-columns: repeat(5, 1fr); }
}

/* 平板 769-1023px */
@media (max-width: 1023px) {
    .container { padding: 16px; }
    .filter-bar { grid-template-columns: repeat(2, 1fr); }
    .filter-bar .search-box { grid-column: span 2; }
    .detail-grid { grid-template-columns: repeat(2, 1fr); }
}

/* 手机 ≤768px */
@media (max-width: 768px) {
    .navbar { padding: 0 12px; flex-wrap: wrap; height: auto; padding-top: 8px; padding-bottom: 8px; }
    .navbar-brand { font-size: 16px; }
    .nav-menu { margin-left: 0; margin-top: 8px; flex-wrap: wrap; gap: 2px; }
    .nav-menu a { padding: 6px 10px; font-size: 13px; }
    .navbar-user .user-info { display: none; }
    .container { padding: 12px; }
    .form-row { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .filter-bar { grid-template-columns: 1fr; }
    .filter-bar .search-box { grid-column: span 1; }
    .detail-grid { grid-template-columns: 1fr; }
    .checkbox-group { grid-template-columns: 1fr; }
    .card { padding: 14px; }
    .review-actions { flex-direction: column; }
    .review-actions .btn { width: 100%; justify-content: center; }
    .pagination { flex-direction: column; gap: 12px; }
    .bar-chart-item .bar-label { width: 80px; font-size: 12px; }
    table { font-size: 13px; }
    table th, table td { padding: 8px 10px; }
}

/* 超小屏 ≤480px */
@media (max-width: 480px) {
    .login-box { width: 100%; padding: 24px 20px; margin: 0 12px; }
    .stats-grid { grid-template-columns: 1fr; }
    .navbar { padding: 0 8px; }
    .navbar-brand { font-size: 14px; }
    .navbar-brand .badge-icon { font-size: 10px; padding: 3px 6px; }
    .nav-menu a { padding: 5px 8px; font-size: 12px; }
    .btn { padding: 8px 14px; font-size: 13px; }
    .stat-value { font-size: 22px; }
    .container { padding: 8px; }
    .card { padding: 12px; }
    table { font-size: 12px; }
    table th, table td { padding: 6px 8px; }
}

/* 打印样式 */
@media print {
    .navbar, .nav-menu, .review-box, .pagination, .filter-bar { display: none; }
    body { background: #fff; color: #000; }
    .card { border: 1px solid #ccc; box-shadow: none; }
}