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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: #f0f2f5;
    color: #333;
    min-height: 100vh;
}

/* ==================== 登录页 ==================== */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
}

.login-card {
    background: #fff;
    border-radius: 16px;
    padding: 48px 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.login-card .logo {
    text-align: center;
    font-size: 40px;
    margin-bottom: 8px;
}

.login-card h1 {
    text-align: center;
    font-size: 22px;
    color: #1a1a2e;
    margin-bottom: 32px;
    font-weight: 700;
}

.login-card .form-group {
    margin-bottom: 20px;
}

.login-card label {
    display: block;
    font-size: 13px;
    color: #666;
    margin-bottom: 6px;
    font-weight: 500;
}

.login-card input {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid #e0e0e0;
    border-radius: 10px;
    font-size: 14px;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
}

.login-card input:focus {
    border-color: #4f46e5;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.login-card .btn {
    width: 100%;
    padding: 13px;
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.1s;
    margin-top: 8px;
}

.login-card .btn:hover {
    opacity: 0.95;
    transform: translateY(-1px);
}

.login-card .btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.login-card .error {
    background: #fef2f2;
    color: #dc2626;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: 16px;
    display: none;
}

/* ==================== 主布局 ==================== */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 220px;
    background: #1a1a2e;
    color: #fff;
    padding: 24px 0;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
}

.sidebar .logo {
    padding: 0 20px 24px;
    font-size: 20px;
    font-weight: 700;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 12px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
}

.nav-item.active {
    background: rgba(79, 70, 229, 0.3);
    color: #a78bfa;
    border-left-color: #a78bfa;
    font-weight: 600;
}

.nav-icon {
    font-size: 18px;
    width: 24px;
    text-align: center;
}

.main-content {
    margin-left: 220px;
    flex: 1;
    padding: 32px;
}

/* ==================== 顶栏 ==================== */
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}

.topbar h2 {
    font-size: 24px;
    color: #1a1a2e;
}

.topbar .actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-info {
    font-size: 13px;
    color: #666;
    background: #eef2ff;
    padding: 6px 14px;
    border-radius: 20px;
}

/* ==================== 卡片 ==================== */
.card {
    background: #fff;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
    margin-bottom: 20px;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: #1a1a2e;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid #f0f0f0;
}

/* ==================== 搜索栏 ==================== */
.search-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.search-bar input {
    flex: 1;
    padding: 10px 14px;
    border: 1.5px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.search-bar input:focus {
    border-color: #4f46e5;
}

/* ==================== 表格 ==================== */
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

thead th {
    background: #f8f9fb;
    padding: 12px 14px;
    text-align: left;
    font-weight: 600;
    color: #555;
    border-bottom: 2px solid #e0e0e0;
    white-space: nowrap;
}

tbody td {
    padding: 12px 14px;
    border-bottom: 1px solid #f0f0f0;
    vertical-align: middle;
}

tbody tr:hover {
    background: #f8f9fb;
}

.empty-row td {
    text-align: center;
    color: #999;
    padding: 40px;
    font-size: 14px;
}

/* ==================== 标签 ==================== */
.tag {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.tag-blue {
    background: #dbeafe;
    color: #1e40af;
}

.tag-purple {
    background: #ede9fe;
    color: #6d28d9;
}

.tag-green {
    background: #d1fae5;
    color: #065f46;
}

/* ==================== 按钮 ==================== */
.btn {
    display: inline-block;
    padding: 8px 16px;
    border: none;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
}

.btn-primary {
    background: #4f46e5;
    color: #fff;
}

.btn-primary:hover {
    background: #4338ca;
}

.btn-danger {
    background: #fff;
    color: #dc2626;
    border: 1px solid #fca5a5;
}

.btn-danger:hover {
    background: #fef2f2;
    border-color: #dc2626;
}

.btn-outline {
    background: #fff;
    color: #555;
    border: 1px solid #d0d0d0;
}

.btn-outline:hover {
    background: #f8f9fb;
    border-color: #aaa;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 6px;
}

.btn-xs {
    padding: 4px 10px;
    font-size: 11px;
    border-radius: 4px;
}

/* ==================== 分页 ==================== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-top: 20px;
    font-size: 13px;
    color: #666;
}

.pagination button {
    padding: 6px 16px;
    border: 1px solid #d0d0d0;
    background: #fff;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.15s;
}

.pagination button:hover:not(:disabled) {
    background: #4f46e5;
    color: #fff;
    border-color: #4f46e5;
}

.pagination button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ==================== 患者详情 ==================== */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #4f46e5;
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 20px;
}

.back-link:hover {
    text-decoration: underline;
}

.detail-header {
    background: #fff;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
    margin-bottom: 20px;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.detail-item .label {
    font-size: 12px;
    color: #999;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detail-item .value {
    font-size: 15px;
    color: #333;
    font-weight: 600;
}

/* ==================== 记录列表 ==================== */
.record-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.record-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 16px;
    border-bottom: 1px solid #f0f0f0;
    gap: 16px;
}

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

.record-item .time {
    font-size: 13px;
    color: #555;
    margin-bottom: 2px;
}

.record-item .rid {
    font-size: 12px;
    color: #999;
    font-family: monospace;
}

/* ==================== 报告查看器 ==================== */
.report-viewer {
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
    min-height: 400px;
    margin-top: 20px;
}

.report-viewer .empty-hint {
    text-align: center;
    color: #999;
    padding: 60px 20px;
    font-size: 14px;
}

.report-viewer iframe {
    width: 100%;
    border: none;
    height: 800px;
}

/* ==================== 账号管理 ==================== */
.user-mgmt-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

@media (max-width: 768px) {
    .user-mgmt-grid {
        grid-template-columns: 1fr;
    }
}

.form-row {
    display: flex;
    gap: 10px;
    margin-bottom: 12px;
}

.form-row input {
    flex: 1;
}

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

.create-form label {
    display: block;
    font-size: 13px;
    color: #666;
    margin-bottom: 4px;
    font-weight: 500;
}

.create-form input,
.create-form select {
    width: 100%;
    padding: 10px 12px;
    border: 1.5px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.create-form input:focus,
.create-form select:focus {
    border-color: #4f46e5;
}

/* ==================== 响应式 ==================== */
@media (max-width: 768px) {
    .sidebar {
        width: 60px;
        padding: 16px 0;
    }

    .sidebar .logo {
        font-size: 0;
        padding: 0 8px 16px;
    }

    .sidebar .logo::after {
        content: "🧬";
        font-size: 22px;
    }

    .nav-item span {
        display: none;
    }

    .nav-item {
        justify-content: center;
        padding: 12px 8px;
    }

    .main-content {
        margin-left: 60px;
        padding: 16px;
    }

    table {
        font-size: 12px;
    }

    .btn {
        padding: 6px 12px;
        font-size: 12px;
    }
}