/* ═══════════════════════════════════════════
   员工管理系统 — 样式
   ═══════════════════════════════════════════ */

/* ── 基础重置 & 变量 ── */
:root {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --success: #22c55e;
    --warning: #f59e0b;
    --bg: #f1f5f9;
    --card-bg: #ffffff;
    --text: #1e293b;
    --text-secondary: #64748b;
    --border: #e2e8f0;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.06);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

/* ── 容器 ── */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* ── 导航栏 ── */
.navbar {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.nav-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text) !important;
}

.nav-links {
    display: flex;
    gap: 8px;
}

.nav-links a {
    padding: 8px 16px;
    border-radius: var(--radius);
    color: var(--text-secondary) !important;
    font-size: 0.9rem;
    transition: all 0.2s;
}
.nav-links a:hover {
    background: var(--bg);
    color: var(--text) !important;
}

/* ── 提示消息 ── */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin: 16px 0;
    font-size: 0.95rem;
    animation: slideDown 0.3s ease;
}
.alert-success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
}
.alert-danger {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

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

/* ── 页面头部 ── */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin: 28px 0 20px;
}
.page-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
}
.header-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* ── 搜索栏 ── */
.search-bar {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.search-form {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.search-input {
    flex: 1;
    min-width: 180px;
}
.select-input {
    width: 130px;
}

.result-count {
    margin-top: 10px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ── 表格 ── */
.table-wrapper {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow-x: auto;
    box-shadow: var(--shadow);
}

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

.table th {
    background: #f8fafc;
    text-align: left;
    padding: 12px 14px;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
}

.table td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.table tbody tr:hover {
    background: #f8fafc;
}

.table tbody tr:last-child td {
    border-bottom: none;
}

.action-btns {
    white-space: nowrap;
    display: flex;
    gap: 4px;
}

/* ── 按钮 ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 18px;
    border: none;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none !important;
}

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

.btn-outline {
    background: transparent;
    color: var(--text-secondary) !important;
    border: 1px solid var(--border);
}
.btn-outline:hover {
    background: var(--bg);
    border-color: #cbd5e1;
}

.btn-sm {
    padding: 5px 12px;
    font-size: 0.8rem;
}

.btn-edit {
    background: #eff6ff;
    color: var(--primary) !important;
    border: 1px solid #bfdbfe;
}
.btn-edit:hover {
    background: #dbeafe;
}

.btn-danger {
    background: #fef2f2;
    color: var(--danger) !important;
    border: 1px solid #fecaca;
}
.btn-danger:hover {
    background: #fee2e2;
}

/* ── 输入框 ── */
.input {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.9rem;
    color: var(--text);
    background: var(--card-bg);
    transition: border-color 0.2s;
    outline: none;
}
.input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* ── 表单卡片 ── */
.form-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 30px;
    box-shadow: var(--shadow);
    max-width: 860px;
}

.employee-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 16px;
    margin-bottom: 18px;
}

@media (max-width: 768px) {
    .employee-form .form-row {
        grid-template-columns: 1fr;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text);
}

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

.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 10px;
    padding-top: 18px;
    border-top: 1px solid var(--border);
}

/* ── 分页 ── */
.pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 16px;
    padding: 12px 0;
}

.page-info {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.page-btns {
    display: flex;
    align-items: center;
    gap: 4px;
}

.page-ellipsis {
    padding: 5px 4px;
    color: var(--text-secondary);
}

/* ── 空状态 ── */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 16px;
}

.empty-state h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: var(--text);
}

.empty-state p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* ── 页脚 ── */
.footer {
    margin-top: auto;
    padding: 20px 0;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
    border-top: 1px solid var(--border);
    background: var(--card-bg);
}

/* ── 导航用户信息 ── */
.nav-user {
    padding: 8px 12px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    border-right: 1px solid var(--border);
}

.btn-logout {
    background: transparent;
    color: var(--text-secondary) !important;
    border: 1px solid var(--border);
    padding: 5px 12px;
    font-size: 0.8rem;
}
.btn-logout:hover {
    background: #fef2f2;
    border-color: #fecaca;
    color: var(--danger) !important;
}

/* ── 登录页面 ── */
.login-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 200px);
    padding: 20px;
}

.login-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    padding: 40px 36px;
    width: 100%;
    max-width: 400px;
}

.login-header {
    text-align: center;
    margin-bottom: 28px;
}

.login-icon {
    font-size: 3.5rem;
    margin-bottom: 12px;
}

.login-header h2 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 6px;
}

.login-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

.login-form .btn-block {
    width: 100%;
    padding: 10px;
    font-size: 1rem;
    justify-content: center;
    margin-top: 8px;
}

.login-footer {
    text-align: center;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.login-footer p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* ── 导入页面 ── */
.import-info {
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.import-info h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.import-info ul {
    padding-left: 20px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.8;
}

.import-fields {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: 12px 0;
}

.field-tag {
    display: inline-block;
    padding: 4px 10px;
    background: #f0fdf4;
    color: #166534;
    border: 1px solid #bbf7d0;
    border-radius: 4px;
    font-size: 0.8rem;
}

.import-note {
    font-size: 0.85rem;
    color: var(--warning);
    margin-top: 8px;
}

/* ── 移动端适配 ── */
@media (max-width: 480px) {
    .container { padding: 0 12px; }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        margin: 16px 0 12px;
    }
    .page-header h1 { font-size: 1.2rem; }
    .header-actions { width: 100%; }
    .header-actions .btn {
        flex: 1;
        justify-content: center;
        font-size: 0.8rem;
        padding: 6px 10px;
    }

    .search-form {
        flex-direction: column;
        gap: 8px;
    }
    .search-input, .select-input { width: 100%; min-width: 0; }

    .table-wrapper { margin: 0 -12px; border-radius: 0; }
    .table { font-size: 0.8rem; }
    .table th, .table td { padding: 8px 8px; }
    .action-btns { flex-direction: column; gap: 2px; }
    .action-btns .btn { font-size: 0.7rem; padding: 4px 8px; }

    .employee-form .form-row {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    .form-card { padding: 16px; }

    .pagination {
        flex-direction: column;
        align-items: center;
        gap: 8px;
    }

    .nav-container {
        flex-wrap: wrap;
        height: auto;
        padding: 8px 0;
    }
    .nav-links {
        flex-wrap: wrap;
        gap: 4px;
        width: 100%;
    }
    .nav-links a { font-size: 0.8rem; padding: 6px 10px; }
    .nav-user { border-right: none; padding: 6px 10px; }

    .login-card { padding: 28px 20px; }
}