/* MES派工系统 - 全局样式 */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --primary: #4A6CF7;
    --primary-dark: #3A56D4;
    --success: #22C55E;
    --warning: #F59E0B;
    --danger: #EF4444;
    --info: #3B82F6;
    --bg: #F1F5F9;
    --card: #FFFFFF;
    --text: #1E293B;
    --text-secondary: #64748B;
    --border: #E2E8F0;
    --sidebar-bg: #1E293B;
    --sidebar-text: #CBD5E1;
    --sidebar-active: #4A6CF7;
    --shadow: 0 1px 3px rgba(0,0,0,0.1);
    --radius: 8px;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 14px;
    color: var(--text);
    background: var(--bg);
    line-height: 1.5;
}

/* ===== 加载遮罩 ===== */
#global-loading {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(255,255,255,0.9); display: flex;
    align-items: center; justify-content: center;
    z-index: 9999; transition: opacity 0.3s;
}
#global-loading.hidden { opacity: 0; pointer-events: none; }
.loader {
    width: 40px; height: 40px; border: 3px solid var(--border);
    border-top-color: var(--primary); border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== 登录页 ===== */
.login-container {
    min-height: 100vh; display: flex;
    align-items: center; justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}
.login-box {
    background: #fff; border-radius: 12px; padding: 40px;
    width: 400px; max-width: 90%; box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.login-box h1 { text-align: center; color: var(--primary); margin-bottom: 8px; font-size: 22px; }
.login-box .subtitle { text-align: center; color: var(--text-secondary); margin-bottom: 30px; font-size: 13px; }
.login-box .form-group { margin-bottom: 20px; }
.login-box label { display: block; margin-bottom: 6px; font-weight: 500; color: var(--text); }
.login-box input {
    width: 100%; padding: 10px 14px; border: 1px solid var(--border);
    border-radius: var(--radius); font-size: 14px; transition: border-color 0.2s;
}
.login-box input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(74,108,247,0.1); }
.login-box .btn-login {
    width: 100%; padding: 12px; background: var(--primary); color: #fff;
    border: none; border-radius: var(--radius); font-size: 16px;
    cursor: pointer; transition: background 0.2s; margin-top: 10px;
}
.login-box .btn-login:hover { background: var(--primary-dark); }
.login-box .btn-login:disabled { background: #94A3B8; cursor: not-allowed; }

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

/* 侧边栏 */
.sidebar {
    width: 240px; background: var(--sidebar-bg); color: var(--sidebar-text);
    display: flex; flex-direction: column; position: fixed; top: 0; left: 0;
    height: 100vh; z-index: 100; transition: transform 0.3s;
}
.sidebar-header {
    padding: 20px; display: flex; align-items: center; gap: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.sidebar-header .logo { font-size: 18px; font-weight: 700; color: #fff; }
.sidebar-header .version { font-size: 11px; color: var(--sidebar-text); }
.sidebar-nav { flex: 1; padding: 16px 0; overflow-y: auto; }
.nav-item {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 20px; color: var(--sidebar-text);
    text-decoration: none; cursor: pointer; transition: all 0.2s;
    border-left: 3px solid transparent; font-size: 14px;
}
.nav-item:hover { background: rgba(255,255,255,0.05); color: #fff; }
.nav-item.active { background: rgba(74,108,247,0.15); color: #fff; border-left-color: var(--sidebar-active); }
.nav-item .icon { width: 20px; text-align: center; font-size: 16px; }
.nav-section { padding: 12px 20px 6px; font-size: 11px; text-transform: uppercase; color: #64748B; letter-spacing: 1px; }

.sidebar-footer {
    padding: 16px 20px; border-top: 1px solid rgba(255,255,255,0.1);
    display: flex; align-items: center; gap: 10px; font-size: 13px;
}
.sidebar-footer .user-avatar {
    width: 32px; height: 32px; border-radius: 50%; background: var(--primary);
    display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 600;
}
.sidebar-footer .logout-btn {
    margin-left: auto; color: #94A3B8; cursor: pointer; font-size: 12px;
}
.sidebar-footer .logout-btn:hover { color: #EF4444; }

/* 汉堡菜单 */
.hamburger {
    display: none; position: fixed; top: 12px; left: 12px;
    z-index: 200; background: var(--primary); color: #fff;
    border: none; border-radius: var(--radius); padding: 8px 12px;
    cursor: pointer; font-size: 18px;
}
.sidebar-overlay {
    display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.5); z-index: 99;
}

/* 主内容区 */
.main-content { flex: 1; margin-left: 240px; padding: 24px; min-height: 100vh; }
.page-header { margin-bottom: 24px; }
.page-header h2 { font-size: 20px; font-weight: 600; margin-bottom: 4px; }
.page-header p { color: var(--text-secondary); font-size: 13px; }

/* ===== 卡片 ===== */
.card {
    background: var(--card); border-radius: var(--radius);
    box-shadow: var(--shadow); padding: 20px; margin-bottom: 20px;
}
.card-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 16px;
}
.card-header h3 { font-size: 16px; font-weight: 600; }

/* ===== 统计卡片 ===== */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.stat-card {
    background: var(--card); border-radius: var(--radius); padding: 20px;
    box-shadow: var(--shadow); display: flex; align-items: center; gap: 16px;
}
.stat-card .stat-icon {
    width: 48px; height: 48px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px; color: #fff;
}
.stat-card .stat-icon.blue { background: linear-gradient(135deg, #3B82F6, #2563EB); }
.stat-card .stat-icon.green { background: linear-gradient(135deg, #22C55E, #16A34A); }
.stat-card .stat-icon.orange { background: linear-gradient(135deg, #F59E0B, #D97706); }
.stat-card .stat-icon.purple { background: linear-gradient(135deg, #8B5CF6, #7C3AED); }
.stat-card .stat-icon.red { background: linear-gradient(135deg, #EF4444, #DC2626); }
.stat-card .stat-icon.cyan { background: linear-gradient(135deg, #06B6D4, #0891B2); }
.stat-info .stat-value { font-size: 24px; font-weight: 700; color: var(--text); }
.stat-info .stat-label { font-size: 12px; color: var(--text-secondary); }

/* ===== 表格 ===== */
.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
table th, table td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
table th { background: #F8FAFC; font-weight: 600; font-size: 12px; color: var(--text-secondary); text-transform: uppercase; }
table tr:hover { background: #F8FAFC; }

/* ===== 按钮 ===== */
.btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 16px; border-radius: var(--radius); font-size: 13px;
    cursor: pointer; border: 1px solid transparent; transition: all 0.2s;
    text-decoration: none;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-success { background: var(--success); color: #fff; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-outline { background: transparent; border-color: var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-sm { padding: 4px 10px; font-size: 12px; }

/* ===== 表单 ===== */
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; font-weight: 500; font-size: 13px; color: var(--text); }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 8px 12px; border: 1px solid var(--border);
    border-radius: var(--radius); font-size: 14px; background: #fff;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(74,108,247,0.1);
}
.form-actions { display: flex; gap: 10px; margin-top: 20px; }

/* ===== 状态标签 ===== */
.status-tag {
    display: inline-block; padding: 2px 10px; border-radius: 12px;
    font-size: 12px; font-weight: 500;
}
.status-tag.pending { background: #FEF3C7; color: #D97706; }
.status-tag.assigned { background: #DBEAFE; color: #2563EB; }
.status-tag.in-progress { background: #E0E7FF; color: #4F46E5; }
.status-tag.submitted { background: #FCE7F3; color: #DB2777; }
.status-tag.reviewed { background: #D1FAE5; color: #059669; }
.status-tag.completed { background: #D1FAE5; color: #059669; }
.status-tag.rejected { background: #FEE2E2; color: #DC2626; }
.status-tag.active { background: #D1FAE5; color: #059669; }
.status-tag.disabled { background: #FEE2E2; color: #DC2626; }

/* ===== Toast 提示 ===== */
#toast-container {
    position: fixed; top: 20px; right: 20px; z-index: 10000;
    display: flex; flex-direction: column; gap: 8px;
}
.toast {
    padding: 12px 20px; border-radius: var(--radius);
    color: #fff; font-size: 13px; box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    animation: slideIn 0.3s ease;
    min-width: 200px; display: flex; align-items: center; gap: 8px;
}
.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }
.toast.warning { background: var(--warning); }
.toast.info { background: var(--info); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ===== Modal 弹窗 ===== */
.modal-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.5); display: flex;
    align-items: center; justify-content: center; z-index: 1000;
}
.modal {
    background: #fff; border-radius: 12px; width: 520px;
    max-width: 90%; max-height: 80vh; overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 20px 24px; border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-size: 16px; font-weight: 600; }
.modal-close {
    background: none; border: none; font-size: 20px;
    cursor: pointer; color: var(--text-secondary);
}
.modal-body { padding: 24px; }
.modal-footer {
    display: flex; justify-content: flex-end; gap: 10px;
    padding: 16px 24px; border-top: 1px solid var(--border);
}

/* ===== 分页 ===== */
.pagination {
    display: flex; align-items: center; justify-content: center;
    gap: 4px; margin-top: 20px;
}
.pagination button {
    padding: 6px 12px; border: 1px solid var(--border); border-radius: var(--radius);
    background: #fff; cursor: pointer; font-size: 13px;
}
.pagination button:hover { border-color: var(--primary); color: var(--primary); }
.pagination button.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.pagination button:disabled { opacity: 0.5; cursor: not-allowed; }
.pagination .page-info { padding: 0 12px; font-size: 13px; color: var(--text-secondary); }

/* ===== 工具栏 ===== */
.toolbar { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.toolbar input, .toolbar select {
    padding: 8px 12px; border: 1px solid var(--border);
    border-radius: var(--radius); font-size: 13px;
}
.toolbar input:focus, .toolbar select:focus { outline: none; border-color: var(--primary); }

/* ===== 空状态 ===== */
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-secondary); }
.empty-state .icon { font-size: 48px; margin-bottom: 16px; }
.empty-state p { font-size: 14px; }

/* ===== 响应式 ===== */
@media (max-width: 768px) {
    .hamburger { display: block; }
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .sidebar-overlay.open { display: block; }
    .main-content { margin-left: 0; padding: 16px; padding-top: 60px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .form-grid { grid-template-columns: 1fr; }
    .toolbar { flex-direction: column; align-items: stretch; }
    .modal { width: 95%; margin: 10px; }
}

/* ===== 员工首页 ===== */
.task-card {
    background: var(--card); border-radius: var(--radius);
    box-shadow: var(--shadow); padding: 16px; margin-bottom: 12px;
    border-left: 4px solid var(--primary);
}
.task-card .task-title { font-weight: 600; margin-bottom: 8px; }
.task-card .task-meta { display: flex; flex-wrap: wrap; gap: 12px; font-size: 12px; color: var(--text-secondary); }
.task-card .task-actions { margin-top: 12px; display: flex; gap: 8px; }

/* ===== 审核卡片 ===== */
.review-card {
    background: var(--card); border-radius: var(--radius);
    box-shadow: var(--shadow); padding: 16px; margin-bottom: 12px;
    border-left: 4px solid var(--warning);
}
.review-card .review-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.review-card .review-actions { display: flex; gap: 8px; margin-top: 12px; }
.review-card textarea { width: 100%; padding: 8px; border: 1px solid var(--border); border-radius: var(--radius); margin-top: 8px; }