/* ==================== 专业商务风 HR工作台 ==================== */
:root {
    --primary: #1e3a5f;
    --primary-light: #2d5a8a;
    --primary-dark: #0f1f33;
    --accent: #3b82f6;
    --accent-light: #60a5fa;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #06b6d4;
    --bg: #f1f5f9;
    --card-bg: #ffffff;
    --text: #1e293b;
    --text-light: #64748b;
    --border: #e2e8f0;
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --radius: 8px;
    --radius-lg: 12px;
}

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

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

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

/* 侧边栏 */
.sidebar {
    width: 260px;
    background: linear-gradient(180deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
    box-shadow: 2px 0 10px rgba(0,0,0,0.15);
}

.brand {
    padding: 24px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.brand h1 {
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand p {
    font-size: 12px;
    opacity: 0.7;
    margin-top: 4px;
    padding-left: 30px;
}

.user-info {
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 600;
}

.user-meta { flex: 1; }
.user-meta .name { font-size: 14px; font-weight: 600; }
.user-meta .role { font-size: 11px; opacity: 0.7; }

/* 导航 */
.nav {
    flex: 1;
    overflow-y: auto;
    padding: 12px 0;
}

.nav::-webkit-scrollbar { width: 4px; }
.nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 2px; }

.nav-section {
    margin-bottom: 8px;
}

.nav-title {
    padding: 8px 20px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.5;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    cursor: pointer;
    transition: all 0.2s;
    border-left: 3px solid transparent;
    font-size: 13px;
}

.nav-item:hover {
    background: rgba(255,255,255,0.08);
    border-left-color: rgba(255,255,255,0.3);
}

.nav-item.active {
    background: rgba(255,255,255,0.12);
    border-left-color: var(--accent-light);
}

.nav-item .icon { font-size: 18px; width: 24px; text-align: center; }
.nav-item .badge {
    margin-left: auto;
    background: var(--danger);
    color: #fff;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

/* 侧边栏底部 */
.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 11px;
    opacity: 0.6;
    text-align: center;
}

/* ==================== 主内容区 ==================== */
.main {
    flex: 1;
    margin-left: 260px;
    min-height: 100vh;
}

/* 顶部栏 */
.header {
    background: var(--card-bg);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 50;
}

.header h2 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary);
}

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

.search-box {
    position: relative;
}

.search-box input {
    width: 280px;
    padding: 10px 16px 10px 40px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 13px;
    outline: none;
    transition: all 0.2s;
}

.search-box input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}

.search-box::before {
    content: '🔍';
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 14px;
    opacity: 0.5;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
}

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

.btn-primary:hover { background: var(--primary-light); }

.btn-secondary {
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover { background: var(--border); }

.btn-success { background: var(--success); color: #fff; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }

.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-lg { padding: 12px 24px; font-size: 14px; }

/* ==================== 内容区 ==================== */
.content {
    padding: 24px;
}

.page { display: none; }
.page.active { display: block; }

/* 统计卡片 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--card-bg);
    padding: 20px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 16px;
    transition: transform 0.2s, box-shadow 0.2s;
}

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

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-icon.blue { background: #dbeafe; }
.stat-icon.green { background: #d1fae5; }
.stat-icon.orange { background: #ffedd5; }
.stat-icon.purple { background: #ede9fe; }

.stat-info h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text);
}

.stat-info p {
    font-size: 13px;
    color: var(--text-light);
    margin-top: 2px;
}

/* 卡片 */
.card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.card-header {
    padding: 18px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-body { padding: 20px; }

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

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

th, td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th {
    background: #f8fafc;
    font-weight: 600;
    color: var(--text-light);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

tr:hover td { background: #f8fafc; }

/* 状态标签 */
.status {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 500;
}

.status::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.status-success { background: #d1fae5; color: #065f46; }
.status-success::before { background: var(--success); }

.status-warning { background: #ffedd5; color: #92400e; }
.status-warning::before { background: var(--warning); }

.status-danger { background: #fee2e2; color: #991b1b; }
.status-danger::before { background: var(--danger); }

.status-info { background: #dbeafe; color: #1e40af; }
.status-info::before { background: var(--accent); }

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

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 13px;
    outline: none;
    transition: all 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.form-row-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.show { display: flex; }

.modal-content {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    animation: modalIn 0.3s ease;
}

@keyframes modalIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-header {
    padding: 18px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 { font-size: 16px; font-weight: 600; }

.modal-close {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    opacity: 0.5;
    transition: opacity 0.2s;
}

.modal-close:hover { opacity: 1; }

.modal-body { padding: 20px; overflow-y: auto; max-height: 60vh; }

.modal-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* 日历/日程 */
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
}

.calendar-header {
    text-align: center;
    padding: 10px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-light);
}

.calendar-day {
    aspect-ratio: 1;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 8px;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}

.calendar-day:hover { background: #f8fafc; }
.calendar-day.today { border-color: var(--accent); background: #eff6ff; }
.calendar-day.other-month { opacity: 0.4; }

.calendar-day .day-num {
    font-size: 13px;
    font-weight: 500;
}

.calendar-day .events {
    position: absolute;
    bottom: 4px;
    left: 4px;
    right: 4px;
    display: flex;
    gap: 2px;
    flex-wrap: wrap;
}

.event-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

/* 待办列表 */
.todo-list { }

.todo-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    transition: background 0.2s;
}

.todo-item:hover { background: #f8fafc; }

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

.todo-check {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.todo-check:hover { border-color: var(--accent); }
.todo-check.checked {
    background: var(--success);
    border-color: var(--success);
    color: #fff;
}

.todo-content { flex: 1; }
.todo-content.completed { text-decoration: line-through; opacity: 0.5; }

.todo-title { font-size: 14px; font-weight: 500; }
.todo-meta { font-size: 11px; color: var(--text-light); margin-top: 2px; }

/* 时间线 */
.timeline {
    position: relative;
    padding-left: 24px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border);
}

.timeline-item {
    position: relative;
    padding-bottom: 20px;
}

.timeline-dot {
    position: absolute;
    left: -20px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--card-bg);
    border: 2px solid var(--accent);
}

.timeline-content {
    background: #f8fafc;
    padding: 12px 16px;
    border-radius: var(--radius);
}

.timeline-time {
    font-size: 11px;
    color: var(--text-light);
}

/* 文件列表 */
.file-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.file-item {
    background: #f8fafc;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    cursor: pointer;
    transition: all 0.2s;
}

.file-item:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow);
}

.file-icon {
    font-size: 32px;
    margin-bottom: 10px;
}

.file-name {
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-meta {
    font-size: 11px;
    color: var(--text-light);
    margin-top: 4px;
}

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

.empty-state .icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state h4 {
    font-size: 16px;
    margin-bottom: 8px;
    color: var(--text);
}

/* 响应式 */
@media (max-width: 1200px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .sidebar { width: 0; transform: translateX(-100%); }
    .main { margin-left: 0; }
    .stats-grid { grid-template-columns: 1fr; }
    .form-row, .form-row-3 { grid-template-columns: 1fr; }
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Toast 提示 */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: var(--card-bg);
    padding: 14px 20px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 10px;
    animation: toastIn 0.3s ease;
    min-width: 280px;
}

@keyframes toastIn {
    from { opacity: 0; transform: translateX(100%); }
    to { opacity: 1; transform: translateX(0); }
}

.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.warning { border-left: 4px solid var(--warning); }

/* 标签 */
.tag {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
}

.tag-blue { background: #dbeafe; color: #1e40af; }
.tag-green { background: #d1fae5; color: #065f46; }
.tag-orange { background: #ffedd5; color: #92400e; }
.tag-gray { background: #f1f5f9; color: #475569; }

/* 公告卡片悬停效果 */
.announcement-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* 文件项操作按钮 */
.file-actions {
    opacity: 0;
    transition: opacity 0.2s;
}

.file-item:hover .file-actions {
    opacity: 1;
}

/* 表格操作按钮间距 */
table td:last-child {
    white-space: nowrap;
}

table td:last-child .btn {
    margin-right: 4px;
}

table td:last-child .btn:last-child {
    margin-right: 0;
}

/* 模态框内容区域 */
.modal-body textarea {
    resize: vertical;
    min-height: 100px;
}

/* 复选框样式 */
input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* 入职按钮特殊样式 */
.btn-success {
    background: var(--success);
    color: #fff;
}

.btn-success:hover {
    background: #059669;
}

/* 流转按钮 */
.btn-primary {
    background: var(--accent);
    color: #fff;
}

.btn-primary:hover {
    background: #2563eb;
}