/* ============================================
   PulseCheck — Dark Theme
   ============================================ */

:root {
    --bg: #0f172a;
    --bg-card: #1e293b;
    --bg-card-hover: #253349;
    --bg-input: #0f172a;
    --border: #334155;
    --text: #e2e8f0;
    --text-muted: #64748b;
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
    --radius: 8px;
    --radius-lg: 12px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

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

/* ---- Navbar ---- */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    height: 56px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand a {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.brand-icon { color: var(--primary); font-size: 1.3rem; }

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-links a {
    color: var(--text-muted);
    padding: 6px 12px;
    border-radius: var(--radius);
    font-size: 0.9rem;
    text-decoration: none;
    transition: background 0.15s, color 0.15s;
}

.nav-links a:hover { background: rgba(255,255,255,0.06); color: var(--text); }
.nav-links a.active { color: var(--primary); background: rgba(59,130,246,0.1); }
.nav-logout { color: var(--danger) !important; }

/* ---- Container ---- */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px;
}

/* ---- Page Header ---- */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}

.page-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s, transform 0.1s;
    white-space: nowrap;
}

.btn:hover { text-decoration: none; }
.btn:active { transform: scale(0.98); }

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

.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { background: rgba(255,255,255,0.06); }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #dc2626; }

.btn-sm { padding: 4px 10px; font-size: 0.8rem; }
.btn-lg { padding: 12px 28px; font-size: 1rem; }
.btn-block { width: 100%; }

/* ---- Forms ---- */
.form-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
}

.form-card h2 { margin-bottom: 16px; font-size: 1.2rem; }

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

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 0.9rem;
    font-family: inherit;
    transition: border-color 0.15s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.form-group small {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
}

.form-row .flex-2 { grid-column: span 2; }

.form-actions {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text) !important;
    font-weight: 400 !important;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    accent-color: var(--primary);
}

.input-prefix {
    display: flex;
    align-items: center;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.input-prefix span {
    padding: 10px 12px;
    background: rgba(255,255,255,0.04);
    color: var(--text-muted);
    font-size: 0.85rem;
    white-space: nowrap;
    border-right: 1px solid var(--border);
}

.input-prefix input {
    border: none !important;
    border-radius: 0 !important;
}

/* ---- Alerts ---- */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.alert-error { background: rgba(239,68,68,0.15); color: #fca5a5; border: 1px solid rgba(239,68,68,0.3); }
.alert-success { background: rgba(34,197,94,0.15); color: #86efac; border: 1px solid rgba(34,197,94,0.3); }
.alert-warning { background: rgba(245,158,11,0.15); color: #fcd34d; border: 1px solid rgba(245,158,11,0.3); }

/* ---- Auth ---- */
.auth-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 56px);
    padding: 24px;
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.auth-card h1 { margin-bottom: 24px; font-size: 1.5rem; text-align: center; }

.auth-links {
    margin-top: 16px;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.auth-links a { font-size: 0.85rem; }

/* ---- Stats Row ---- */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    text-align: center;
}

.stat-value { font-size: 1.5rem; font-weight: 700; }
.stat-label { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }

.stat-up .stat-value { color: var(--success); }
.stat-down .stat-value { color: var(--danger); }
.stat-paused .stat-value { color: var(--text-muted); }

/* ---- Monitor Grid ---- */
.monitor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}

.monitor-card {
    display: block;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    text-decoration: none;
    color: var(--text);
    transition: background 0.15s, border-color 0.15s;
}

.monitor-card:hover {
    background: var(--bg-card-hover);
    text-decoration: none;
    border-color: var(--primary);
}

.monitor-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.monitor-name { font-weight: 600; }

.monitor-url {
    font-size: 0.8rem;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-bottom: 8px;
}

.monitor-stats {
    display: flex;
    gap: 8px;
    margin-bottom: 4px;
}

.uptime-badge {
    font-size: 0.85rem;
    font-weight: 600;
}

.uptime-badge small {
    font-weight: 400;
    color: var(--text-muted);
    font-size: 0.75rem;
}

.monitor-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ---- Status Dots ---- */
.status-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--text-muted);
    flex-shrink: 0;
}

.status-up .status-dot,
.status-dot.status-up { background: var(--success); }
.status-down .status-dot,
.status-dot.status-down { background: var(--danger); }
.status-paused .status-dot,
.status-dot.status-paused { background: var(--text-muted); }
.status-unknown .status-dot { background: var(--warning); }
.status-resolved .status-dot,
.status-dot.status-resolved { background: var(--success); }
.status-ongoing .status-dot { background: var(--danger); }

/* ---- Badges ---- */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-up { background: rgba(34,197,94,0.2); color: var(--success); }
.badge-down { background: rgba(239,68,68,0.2); color: var(--danger); }
.badge-paused { background: rgba(100,116,139,0.2); color: var(--text-muted); }
.badge-resolved { background: rgba(34,197,94,0.2); color: var(--success); }
.badge-ongoing { background: rgba(239,68,68,0.2); color: var(--danger); }
.badge-type { background: rgba(59,130,246,0.2); color: var(--primary); }

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

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

.data-table th {
    text-align: left;
    padding: 10px 12px;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: 10px 12px;
    border-bottom: 1px solid rgba(51,65,85,0.5);
}

.data-table tr:hover td { background: rgba(255,255,255,0.02); }
.row-error td { background: rgba(239,68,68,0.05); }

.actions-cell {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

/* ---- Sections ---- */
.section { margin-bottom: 32px; }
.section h2 { font-size: 1.2rem; margin-bottom: 16px; }
.text-muted { color: var(--text-muted); }

/* ---- Incidents ---- */
.incident-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.incident-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    text-decoration: none;
    transition: background 0.15s;
}

.incident-row:hover { background: var(--bg-card-hover); text-decoration: none; }

.incident-info {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.incident-name { font-weight: 600; }
.incident-url { font-size: 0.8rem; }
.incident-time { color: var(--text-muted); font-size: 0.85rem; margin-left: auto; }

/* ---- Timeline ---- */
.timeline {
    border-left: 2px solid var(--border);
    padding-left: 24px;
    margin-left: 8px;
}

.timeline-event {
    position: relative;
    margin-bottom: 20px;
}

.timeline-dot {
    position: absolute;
    left: -31px;
    top: 4px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border);
}

.timeline-dot.event-detected { background: var(--danger); }
.timeline-dot.event-resolved { background: var(--success); }

.timeline-time { font-size: 0.8rem; color: var(--text-muted); }
.timeline-message { margin-top: 2px; }

/* ---- Chart ---- */
.chart-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 24px;
}

.chart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.chart-header h2 { font-size: 1rem; margin: 0; }

.chart-period-tabs {
    display: flex;
    gap: 4px;
}

.period-tab {
    padding: 4px 12px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 600;
    transition: all 0.15s;
}

.period-tab:hover { border-color: var(--primary); color: var(--text); }
.period-tab.active { background: var(--primary); border-color: var(--primary); color: #fff; }

.chart-container {
    position: relative;
    height: 250px;
}

/* ---- Billing ---- */
.billing-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.billing-plan {
    margin-bottom: 20px;
}

.billing-plan h2 {
    display: flex;
    align-items: center;
    gap: 12px;
}

.plan-badge {
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 0.85rem;
}

.plan-free { background: rgba(100,116,139,0.2); color: var(--text-muted); }
.plan-pro { background: rgba(59,130,246,0.2); color: var(--primary); }

.billing-details {
    margin-bottom: 24px;
}

.billing-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid rgba(51,65,85,0.5);
    font-size: 0.9rem;
}

.billing-row span:first-child { color: var(--text-muted); }

.billing-upgrade {
    background: rgba(59,130,246,0.05);
    border: 1px solid rgba(59,130,246,0.2);
    border-radius: var(--radius);
    padding: 20px;
    margin-top: 16px;
}

.billing-upgrade h3 { margin-bottom: 12px; }

.billing-upgrade ul {
    list-style: none;
    margin-bottom: 16px;
}

.billing-upgrade li {
    padding: 4px 0;
    font-size: 0.9rem;
}

.billing-upgrade li::before {
    content: '✓ ';
    color: var(--success);
}

/* ---- Empty State ---- */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

.empty-state h2 { margin-bottom: 8px; }
.empty-state p { color: var(--text-muted); margin-bottom: 16px; }

/* ---- Danger Zone ---- */
.danger-zone {
    border: 1px solid rgba(239,68,68,0.3);
    border-radius: var(--radius-lg);
    padding: 20px;
    background: rgba(239,68,68,0.05);
}

.danger-zone h2 { color: var(--danger); margin-bottom: 12px; }

/* ---- Error Page ---- */
.error-page {
    text-align: center;
    padding: 64px 24px;
}

.error-page h1 { font-size: 2rem; margin-bottom: 8px; }
.error-page p { color: var(--text-muted); margin-bottom: 24px; }

/* ============================================
   Landing Page
   ============================================ */

.landing {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
}

.hero {
    text-align: center;
    padding: 80px 0 60px;
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
}

.hero-sub {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 540px;
    margin: 0 auto 32px;
}

.hero-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    padding: 40px 0;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.feature-icon { font-size: 2rem; margin-bottom: 12px; }
.feature-card h3 { margin-bottom: 8px; }
.feature-card p { color: var(--text-muted); font-size: 0.9rem; }

.pricing {
    padding: 60px 0;
    text-align: center;
}

.pricing h2 { font-size: 1.8rem; margin-bottom: 32px; }

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
    max-width: 600px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: left;
    position: relative;
}

.pricing-card.featured {
    border-color: var(--primary);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    right: 16px;
    background: var(--primary);
    color: #fff;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.pricing-card h3 { margin-bottom: 8px; font-size: 1.2rem; }

.price {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.price span { font-size: 1rem; font-weight: 400; color: var(--text-muted); }

.pricing-card ul {
    list-style: none;
    margin-bottom: 24px;
}

.pricing-card li {
    padding: 6px 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.pricing-card li::before {
    content: '✓ ';
    color: var(--success);
}

.landing-footer {
    text-align: center;
    padding: 40px 0;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ============================================
   Public Status Page
   ============================================ */

.status-page-body { background: var(--bg); }

.status-page {
    max-width: 700px;
    margin: 0 auto;
    padding: 40px 24px;
}

.status-header {
    text-align: center;
    margin-bottom: 32px;
}

.status-header h1 { font-size: 1.5rem; margin-bottom: 12px; }

.overall-status {
    display: inline-block;
    padding: 8px 24px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.9rem;
}

.overall-status.status-operational { background: rgba(34,197,94,0.15); color: var(--success); }
.overall-status.status-major_outage { background: rgba(239,68,68,0.15); color: var(--danger); }
.overall-status.status-partial_outage { background: rgba(245,158,11,0.15); color: var(--warning); }

.status-monitors {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.status-monitor {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
}

.status-monitor-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.status-monitor-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-monitor-name { font-weight: 600; }
.status-uptime { font-size: 0.85rem; color: var(--text-muted); }

.uptime-bars {
    display: flex;
    gap: 2px;
    height: 32px;
}

.uptime-bar {
    flex: 1;
    border-radius: 2px;
    min-width: 3px;
    cursor: default;
}

.bar-up { background: var(--success); }
.bar-degraded { background: var(--warning); }
.bar-down { background: var(--danger); }
.bar-unknown { background: rgba(100,116,139,0.3); }

.uptime-bar-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.status-empty {
    text-align: center;
    padding: 48px;
    color: var(--text-muted);
}

.status-footer {
    text-align: center;
    padding: 32px 0;
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
    .hero h1 { font-size: 1.8rem; }
    .monitor-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .form-row .flex-2 { grid-column: span 1; }
    .nav-links { gap: 0; }
    .nav-links a { padding: 6px 8px; font-size: 0.8rem; }
    .incident-row { flex-wrap: wrap; }
    .stats-row { grid-template-columns: repeat(2, 1fr); }
}