/* =============================================
   数字员工平台 Digis - Main Stylesheet
   ============================================= */

:root {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --primary-light: #e0e7ff;
    --success: #16a34a;
    --warning: #ea580c;
    --danger: #dc2626;
    --info: #2563eb;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --sidebar-width: 240px;
    --header-height: 64px;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans SC', sans-serif;
    background: var(--gray-100);
    color: var(--gray-800);
    line-height: 1.6;
    min-height: 100vh;
}

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

/* =============================================
   Layout
   ============================================= */
#app { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--sidebar-width);
    background: #1a1a2e;
    color: #fff;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
    transition: transform 0.3s ease;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-size: 20px;
    font-weight: 700;
}

.logo-icon {
    width: 36px; height: 36px;
    background: var(--primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 18px;
}

.logo:hover { color: #fff; }

.sidebar-nav {
    flex: 1;
    padding: 12px 8px;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    border-radius: 8px;
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    transition: all 0.15s;
    margin-bottom: 2px;
}

.nav-item:hover {
    background: rgba(255,255,255,0.1);
    color: #fff;
}

.nav-item.active {
    background: var(--primary);
    color: #fff;
}

.nav-icon { font-size: 18px; width: 24px; text-align: center; }
.nav-divider { height: 1px; background: rgba(255,255,255,0.1); margin: 12px 8px; }

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.user-avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
}

.user-details { flex: 1; min-width: 0; }
.user-name { font-size: 14px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { font-size: 12px; color: rgba(255,255,255,0.5); }

.btn-logout {
    width: 100%;
    padding: 8px;
    background: rgba(255,255,255,0.1);
    border: none;
    border-radius: 6px;
    color: rgba(255,255,255,0.7);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.15s;
}

.btn-logout:hover { background: rgba(255,255,255,0.15); color: #fff; }

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 32px 0;
    margin-bottom: 24px;
}

.page-title { font-size: 24px; font-weight: 700; color: var(--gray-900); }

.page-content { padding: 0 32px 32px; }

/* =============================================
   Auth Pages (login, register)
   ============================================= */
.auth-page {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.auth-card {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 40px;
    width: 420px;
    max-width: 90vw;
}

.auth-card h1 {
    text-align: center;
    font-size: 24px;
    margin-bottom: 8px;
    color: var(--gray-900);
}

.auth-card .subtitle {
    text-align: center;
    color: var(--gray-500);
    margin-bottom: 28px;
    font-size: 14px;
}

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

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 6px;
}

.form-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 14px;
    transition: border-color 0.15s, box-shadow 0.15s;
    outline: none;
    background: #fff;
}

.form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79,70,229,0.1);
}

.form-input.error { border-color: var(--danger); }
.form-error { color: var(--danger); font-size: 12px; margin-top: 4px; }

textarea.form-input { min-height: 100px; resize: vertical; }
select.form-input { cursor: pointer; }

/* =============================================
   Buttons
   ============================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
}

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

.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #15803d; color: #fff; }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; color: #fff; }

.btn-warning { background: var(--warning); color: #fff; }
.btn-warning:hover { background: #c2410c; color: #fff; }

.btn-outline {
    background: transparent;
    border: 1px solid var(--gray-300);
    color: var(--gray-700);
}
.btn-outline:hover { background: var(--gray-100); }

.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-lg { padding: 12px 24px; font-size: 16px; }
.btn-block { width: 100%; }

.btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* =============================================
   Cards
   ============================================= */
.card {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 24px;
    margin-bottom: 16px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--gray-200);
}

.card-title { font-size: 16px; font-weight: 600; }

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.stat-card {
    text-align: center;
    padding: 24px;
}

.stat-value { font-size: 36px; font-weight: 700; color: var(--primary); }
.stat-label { font-size: 14px; color: var(--gray-500); margin-top: 4px; }

/* =============================================
   Tables
   ============================================= */
.data-table { width: 100%; border-collapse: collapse; }

.data-table th {
    padding: 12px 16px;
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--gray-200);
}

.data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--gray-100);
    font-size: 14px;
}

.data-table tr:hover { background: var(--gray-50); }

.table-actions { display: flex; gap: 6px; }

/* =============================================
   Badges
   ============================================= */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-success { background: #dcfce7; color: var(--success); }
.badge-danger { background: #fef2f2; color: var(--danger); }
.badge-warning { background: #fff7ed; color: var(--warning); }
.badge-info { background: #eff6ff; color: var(--info); }
.badge-gray { background: var(--gray-100); color: var(--gray-600); }

/* =============================================
   Modal
   ============================================= */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0; visibility: hidden;
    transition: all 0.2s;
}

.modal-overlay.open { opacity: 1; visibility: visible; }

.modal {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 32px;
    width: 540px;
    max-width: 90vw;
    max-height: 80vh;
    overflow-y: auto;
    transform: translateY(20px);
    transition: transform 0.2s;
}

.modal-overlay.open .modal { transform: translateY(0); }

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.modal-title { font-size: 18px; font-weight: 600; }

.modal-close {
    width: 32px; height: 32px;
    border-radius: 8px;
    border: none;
    background: var(--gray-100);
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-500);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--gray-200);
}

/* =============================================
   Toasts
   ============================================= */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 14px 20px;
    border-radius: var(--radius);
    color: #fff;
    font-size: 14px;
    box-shadow: var(--shadow-md);
    animation: slideIn 0.3s ease;
    max-width: 380px;
}

.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-info { background: var(--info); }
.toast-warning { background: var(--warning); }

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

/* =============================================
   Loading
   ============================================= */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px;
    color: var(--gray-400);
}

.spinner {
    width: 24px; height: 24px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* =============================================
   Empty State
   ============================================= */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-400);
}

.empty-state-icon { font-size: 48px; margin-bottom: 16px; }
.empty-state-text { font-size: 16px; margin-bottom: 8px; }
.empty-state-desc { font-size: 14px; margin-bottom: 20px; }

/* =============================================
   Tabs
   ============================================= */
.tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--gray-200);
    margin-bottom: 20px;
}

.tab {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-500);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.15s;
}

.tab:hover { color: var(--gray-700); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* =============================================
   Toolbar / Filters
   ============================================= */
.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 12px;
}

.search-box {
    display: flex;
    gap: 8px;
    align-items: center;
}

.search-input {
    padding: 8px 14px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 14px;
    width: 260px;
    outline: none;
}

.search-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(79,70,229,0.1); }

/* =============================================
   Pagination
   ============================================= */
.pagination {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin-top: 20px;
}

.page-btn {
    padding: 6px 12px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    background: #fff;
    font-size: 14px;
    cursor: pointer;
    color: var(--gray-700);
}

.page-btn:hover { background: var(--gray-100); }
.page-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* =============================================
   Skill Tags
   ============================================= */
.skill-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 12px;
    background: var(--primary-light);
    color: var(--primary);
    margin: 2px;
}

/* =============================================
   Responsive
   ============================================= */
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .sidebar-overlay { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.5); z-index: 99; }
    .sidebar-overlay.open { display: block; }
    .main-content { margin-left: 0; }
    .page-header { padding: 16px; flex-direction: column; gap: 12px; align-items: flex-start; }
    .page-content { padding: 0 16px 16px; }
    .card-grid { grid-template-columns: 1fr; }
    .toolbar { flex-direction: column; align-items: stretch; }
    .search-input { width: 100%; }
}

/* =============================================
   Log View
   ============================================= */
.log-entry {
    padding: 12px 16px;
    border-left: 3px solid var(--gray-300);
    margin-bottom: 8px;
    background: var(--gray-50);
    border-radius: 0 var(--radius) var(--radius) 0;
}

.log-entry.success { border-left-color: var(--success); }
.log-entry.failed { border-left-color: var(--danger); }
.log-entry.running { border-left-color: var(--info); }

.log-header { display: flex; justify-content: space-between; font-size: 13px; margin-bottom: 4px; }
.log-status { font-weight: 500; }
.log-time { color: var(--gray-400); }
.log-output { font-size: 13px; color: var(--gray-600); white-space: pre-wrap; }

/* =============================================
   Profile / Detail Sections
   ============================================= */
.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.detail-item {}
.detail-label { font-size: 12px; color: var(--gray-500); margin-bottom: 4px; }
.detail-value { font-size: 14px; color: var(--gray-800); }

@media (max-width: 640px) {
    .detail-grid { grid-template-columns: 1fr; }
}