/* ============================================================
   GEO Task System - 深色科技风
   --bg #0a0e1a, --primary #3b82f6, --accent #fbbf24
   ============================================================ */

:root {
    --bg: #0a0e1a;
    --bg-card: #111827;
    --bg-hover: #1a2436;
    --border: #1e2d42;
    --primary: #3b82f6;
    --primary-dim: #2563eb;
    --accent: #fbbf24;
    --text: #e2e8f0;
    --text-dim: #64748b;
    --text-muted: #475569;
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
    --radius: 8px;
    --sidebar-w: 220px;
    --transition: 0.2s ease;
}

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

body {
    font-family: 'Inter', -apple-system, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    overflow: hidden;
}

/* Layout */
.app-layout { display: flex; height: 100vh; }

/* Sidebar */
.sidebar {
    width: var(--sidebar-w);
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.sidebar-header {
    padding: 20px 16px;
    border-bottom: 1px solid var(--border);
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
}

.logo i { font-size: 22px; }

.version {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
    padding-left: 30px;
}

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

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    color: var(--text-dim);
    text-decoration: none;
    border-radius: var(--radius);
    margin-bottom: 2px;
    transition: var(--transition);
    cursor: pointer;
}

.nav-item:hover { background: var(--bg-hover); color: var(--text); }
.nav-item.active { background: var(--primary-dim); color: #fff; }
.nav-item i { font-size: 16px; width: 20px; text-align: center; }

.sidebar-footer {
    padding: 12px 16px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-muted);
}

.status-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 6px var(--success);
}

/* Main */
.main-content {
    flex: 1;
    overflow-y: auto;
    padding: 24px 32px;
}

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

.page-title { font-size: 22px; font-weight: 700; color: var(--text); }
.page-subtitle { font-size: 13px; color: var(--text-dim); margin-top: 4px; }

/* Cards */
.card-dark {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 16px;
}

.card-dark .card-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 3px; height: 100%;
    background: var(--primary);
}

.stat-card.success::before { background: var(--success); }
.stat-card.warning::before { background: var(--warning); }
.stat-card.danger::before { background: var(--danger); }

.stat-value { font-size: 28px; font-weight: 700; color: var(--text); }
.stat-label { font-size: 12px; color: var(--text-dim); margin-top: 4px; }
.stat-icon { position: absolute; top: 16px; right: 16px; font-size: 24px; opacity: 0.15; }

/* Table */
.table-dark-custom {
    width: 100%;
    border-collapse: collapse;
}

.table-dark-custom th {
    text-align: left;
    padding: 10px 12px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-dim);
    border-bottom: 1px solid var(--border);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table-dark-custom td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    color: var(--text);
    font-size: 13px;
}

.table-dark-custom tr:hover td { background: var(--bg-hover); }

/* Buttons */
.btn { border-radius: var(--radius); font-size: 13px; padding: 8px 16px; transition: var(--transition); }
.btn-primary { background: var(--primary); border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dim); border-color: var(--primary-dim); }
.btn-outline-primary { color: var(--primary); border-color: var(--primary); }
.btn-outline-primary:hover { background: var(--primary); color: #fff; }
.btn-danger { background: var(--danger); border-color: var(--danger); }
.btn-success { background: var(--success); border-color: var(--success); }
.btn-warning { background: var(--warning); border-color: var(--warning); }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-group-sm > .btn { padding: 4px 10px; font-size: 12px; }

/* Form */
.form-control, .form-select {
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: var(--radius);
    font-size: 13px;
}

.form-control:focus, .form-select:focus {
    background: var(--bg);
    border-color: var(--primary);
    color: var(--text);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.15);
}

.form-label { color: var(--text-dim); font-size: 12px; margin-bottom: 4px; }
.input-group-text { background: var(--bg-hover); border-color: var(--border); color: var(--text-dim); }

/* Badges */
.badge {
    font-size: 11px;
    font-weight: 500;
    padding: 3px 8px;
    border-radius: 4px;
}

.badge-success { background: rgba(34,197,94,0.15); color: var(--success); }
.badge-danger { background: rgba(239,68,68,0.15); color: var(--danger); }
.badge-warning { background: rgba(245,158,11,0.15); color: var(--warning); }
.badge-info { background: rgba(59,130,246,0.15); color: var(--primary); }
.badge-secondary { background: var(--bg-hover); color: var(--text-dim); }

/* Progress */
.progress {
    background: var(--bg-hover);
    border-radius: 4px;
    height: 6px;
    overflow: hidden;
}
.progress-bar { transition: width 0.3s ease; }

/* Toast */
.toast-container {
    position: fixed;
    top: 20px; right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 3px solid var(--primary);
    border-radius: var(--radius);
    padding: 12px 20px;
    min-width: 300px;
    font-size: 13px;
    animation: slideIn 0.3s ease;
}

.toast-item.success { border-left-color: var(--success); }
.toast-item.error { border-left-color: var(--danger); }
.toast-item.warning { border-left-color: var(--warning); }

@keyframes slideIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9000;
}

.modal-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title { font-size: 16px; font-weight: 600; }
.modal-body { padding: 20px; }
.modal-footer { padding: 16px 20px; border-top: 1px solid var(--border); display: flex; gap: 8px; justify-content: flex-end; }

/* Setup overlay */
.setup-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10,14,26,0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
}

.setup-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    max-width: 500px;
}

.setup-card h2 { color: var(--warning); margin-bottom: 16px; }
.setup-card p { color: var(--text-dim); margin-bottom: 12px; line-height: 1.6; }
.setup-card code { background: var(--bg-hover); padding: 2px 6px; border-radius: 4px; color: var(--accent); font-size: 12px; }

/* Log console */
.log-console {
    background: #060912;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px;
    max-height: 400px;
    overflow-y: auto;
    font-family: 'JetBrains Mono', 'Consolas', monospace;
    font-size: 12px;
}

.log-line { padding: 2px 0; line-height: 1.6; }
.log-line .log-time { color: var(--text-muted); }
.log-line .log-level-info { color: var(--primary); }
.log-line .log-level-success { color: var(--success); }
.log-line .log-level-warning { color: var(--warning); }
.log-line .log-level-error { color: var(--danger); }

/* Empty state */
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-dim); }
.empty-state i { font-size: 48px; opacity: 0.2; margin-bottom: 16px; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* Spinner */
.spinner {
    display: inline-block;
    width: 16px; height: 16px;
    border: 2px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Checkbox */
.form-check-input { background: var(--bg); border-color: var(--border); }
.form-check-input:checked { background: var(--primary); border-color: var(--primary); }
.form-check-label { color: var(--text-dim); font-size: 13px; }

/* Divider */
.divider { border-top: 1px solid var(--border); margin: 16px 0; }

/* Responsive */
@media (max-width: 768px) {
    .sidebar { width: 60px; }
    .sidebar-header .logo span, .version, .nav-item span, .sidebar-footer span { display: none; }
    .main-content { padding: 16px; }
}