/* =========================================
   Uptime Monitor - Global Stylesheet
   ========================================= */

:root {
  --bg: #0f172a;
  --surface: #1e293b;
  --surface2: #263348;
  --border: #334155;
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --success: #22c55e;
  --danger: #ef4444;
  --warning: #f59e0b;
  --info: #3b82f6;
  --muted: #64748b;
  --text: #f1f5f9;
  --text-secondary: #94a3b8;
  --radius: 10px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
}

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

html { font-size: 15px; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

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

/* ---- Layout ---- */
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--success); display: inline-block; }

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.header-right a { color: var(--text-secondary); font-size: 0.82rem; }
.header-right a:hover { color: var(--text); text-decoration: none; }
.header-right a.active { color: var(--primary); }

main { padding: 32px 0 60px; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 7px;
  border: none;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  transition: background 0.15s, opacity 0.15s;
  white-space: nowrap;
}

.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--primary-hover); }

.btn-success { background: var(--success); color: #fff; }
.btn-success:hover:not(:disabled) { background: #16a34a; }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover:not(:disabled) { background: #dc2626; }

.btn-warning { background: var(--warning); color: #000; }
.btn-warning:hover:not(:disabled) { background: #d97706; }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-ghost:hover:not(:disabled) { background: var(--surface2); color: var(--text); }

.btn-sm { padding: 5px 10px; font-size: 0.8rem; }
.btn-xs { padding: 3px 8px; font-size: 0.75rem; }

/* ---- Stats Bar ---- */
.stats-bar {
  display: flex;
  gap: 16px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  flex: 1;
  min-width: 110px;
  text-align: center;
}

.stat-value {
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label { font-size: 0.75rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.05em; }
.stat-up .stat-value { color: var(--success); }
.stat-down .stat-value { color: var(--danger); }
.stat-paused .stat-value { color: var(--muted); }

/* ---- Toolbar (Search/Filter/Sort) ---- */
.toolbar {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.toolbar .search-input {
  flex: 1;
  min-width: 200px;
  padding: 8px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
  font-size: 0.875rem;
}

.toolbar .search-input:focus {
  outline: none;
  border-color: var(--primary);
}

.toolbar .search-input::placeholder { color: var(--muted); }

.toolbar select {
  padding: 8px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
  font-size: 0.82rem;
  cursor: pointer;
}

.toolbar select:focus { outline: none; border-color: var(--primary); }

/* Bulk action bar */
.bulk-bar {
  display: none;
  gap: 10px;
  align-items: center;
  padding: 10px 16px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  font-size: 0.85rem;
}

.bulk-bar.visible { display: flex; }

.bulk-bar .bulk-count { color: var(--primary); font-weight: 600; }

/* ---- Monitor Cards ---- */
.monitors-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.monitors-header h2 { font-size: 1rem; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.05em; }

.monitor-list { display: flex; flex-direction: column; gap: 10px; }

.monitor-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.15s;
}

.monitor-card:hover { border-color: var(--primary); }

.monitor-card.status-up { border-left: 3px solid var(--success); }
.monitor-card.status-down { border-left: 3px solid var(--danger); }
.monitor-card.status-paused { border-left: 3px solid var(--muted); }
.monitor-card.status-unknown { border-left: 3px solid var(--warning); }

.monitor-main {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  cursor: pointer;
}

.monitor-checkbox {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--primary);
  flex-shrink: 0;
}

.status-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-dot.up { background: var(--success); box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.2); animation: pulse-green 2s infinite; }
.status-dot.down { background: var(--danger); box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2); animation: pulse-red 1s infinite; }
.status-dot.paused { background: var(--muted); }
.status-dot.unknown { background: var(--warning); }

@keyframes pulse-green {
  0%, 100% { box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.2); }
  50% { box-shadow: 0 0 0 6px rgba(34, 197, 94, 0.1); }
}
@keyframes pulse-red {
  0%, 100% { box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2); }
  50% { box-shadow: 0 0 0 8px rgba(239, 68, 68, 0.05); }
}

.monitor-info { flex: 1; min-width: 0; }
.monitor-name { font-weight: 600; font-size: 0.95rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.monitor-url { font-size: 0.8rem; color: var(--text-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.monitor-tags { display: flex; gap: 4px; margin-top: 3px; flex-wrap: wrap; }
.tag-pill {
  font-size: 0.68rem;
  padding: 1px 8px;
  border-radius: 10px;
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary);
  white-space: nowrap;
}

.type-badge {
  font-size: 0.65rem;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--surface2);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  margin-left: 6px;
}

.monitor-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-shrink: 0;
}

.meta-item { text-align: right; }
.meta-value { font-size: 0.875rem; font-weight: 600; }
.meta-label { font-size: 0.7rem; color: var(--text-secondary); }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.badge-up { background: rgba(34, 197, 94, 0.15); color: var(--success); }
.badge-down { background: rgba(239, 68, 68, 0.15); color: var(--danger); }
.badge-paused { background: rgba(100, 116, 139, 0.15); color: var(--muted); }
.badge-unknown { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.badge-ongoing { background: rgba(239, 68, 68, 0.15); color: var(--danger); }
.badge-acknowledged { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.badge-resolved { background: rgba(34, 197, 94, 0.15); color: var(--success); }

.monitor-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

/* ---- Monitor Detail Panel ---- */
.monitor-detail {
  display: none;
  border-top: 1px solid var(--border);
  padding: 18px;
  background: var(--surface2);
}

.monitor-detail.open { display: block; }

.detail-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.detail-tab {
  padding: 8px 14px;
  font-size: 0.85rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  transition: color 0.15s, border-color 0.15s;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
}

.detail-tab.active { color: var(--primary); border-bottom-color: var(--primary); }

.tab-content { display: none; }
.tab-content.active { display: block; }

.chart-container { height: 200px; margin-bottom: 12px; }

.chart-toolbar {
  display: flex;
  gap: 6px;
  margin-bottom: 10px;
}

.chart-toolbar .btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.chart-stats {
  display: flex;
  gap: 16px;
  margin-top: 10px;
  padding: 10px;
  background: var(--surface);
  border-radius: 7px;
  font-size: 0.82rem;
}

.chart-stats .cs-item { text-align: center; }
.chart-stats .cs-label { color: var(--text-secondary); font-size: 0.72rem; }
.chart-stats .cs-value { font-weight: 600; }

.logs-table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
.logs-table th, .logs-table td { padding: 8px 12px; text-align: left; border-bottom: 1px solid var(--border); }
.logs-table th { color: var(--text-secondary); font-weight: 500; text-transform: uppercase; font-size: 0.72rem; letter-spacing: 0.05em; }
.logs-table tr:last-child td { border-bottom: none; }
.logs-table .status-up { color: var(--success); font-weight: 600; }
.logs-table .status-down { color: var(--danger); font-weight: 600; }

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

.empty-state h3 { font-size: 1.1rem; margin-bottom: 8px; color: var(--text); }
.empty-icon { font-size: 3rem; margin-bottom: 16px; opacity: 0.5; }

/* ---- Modal ---- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.open { display: flex; }

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  width: 100%;
  max-width: 580px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 { font-size: 1.1rem; font-weight: 600; }

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 1.2rem;
  padding: 4px;
  line-height: 1;
}

.modal-close:hover { color: var(--text); }

.modal-body { padding: 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

/* ---- Forms ---- */
.form-group { margin-bottom: 18px; }
.form-label { display: block; font-size: 0.85rem; font-weight: 500; margin-bottom: 6px; color: var(--text-secondary); }
.form-label span { color: var(--danger); }

.form-control {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
  font-size: 0.9rem;
  transition: border-color 0.15s;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.form-control::placeholder { color: var(--muted); }
select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 60px; font-family: inherit; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  cursor: pointer;
}

.checkbox-row input { width: 16px; height: 16px; cursor: pointer; accent-color: var(--primary); }

.form-hint { font-size: 0.78rem; color: var(--muted); margin-top: 4px; }

.form-section {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 18px;
}

.form-section-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 14px;
}

/* Conditional fields */
.type-field { display: none; }
.type-field.visible { display: block; }

.error-msg {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--danger);
  padding: 10px 14px;
  border-radius: 7px;
  font-size: 0.875rem;
  margin-bottom: 16px;
}

.success-msg {
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: var(--success);
  padding: 10px 14px;
  border-radius: 7px;
  font-size: 0.875rem;
  margin-bottom: 16px;
}

/* ---- Login Page ---- */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: var(--bg);
}

.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  width: 100%;
  max-width: 420px;
  padding: 40px 36px;
  box-shadow: var(--shadow);
}

.auth-logo {
  text-align: center;
  margin-bottom: 28px;
}

.auth-logo h1 {
  font-size: 1.5rem;
  font-weight: 700;
}

.auth-logo p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-top: 4px;
}

.auth-tabs {
  display: flex;
  margin-bottom: 28px;
  background: var(--bg);
  border-radius: 8px;
  padding: 4px;
}

.auth-tab {
  flex: 1;
  padding: 8px;
  text-align: center;
  cursor: pointer;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: background 0.15s, color 0.15s;
  border: none;
  background: none;
}

.auth-tab.active { background: var(--surface); color: var(--text); box-shadow: 0 1px 4px rgba(0,0,0,0.3); }

/* ---- Status Page ---- */
.status-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 24px 0;
  text-align: center;
}

.status-header h1 { font-size: 1.4rem; font-weight: 700; }
.status-header p { color: var(--text-secondary); font-size: 0.875rem; margin-top: 4px; }

.overall-banner {
  margin: 28px 0 24px;
  padding: 16px 20px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
}

.banner-operational {
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: var(--success);
}

.banner-degraded {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--danger);
}

.banner-maintenance {
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: var(--info);
}

.status-monitor-row {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 10px;
  overflow: hidden;
}

.status-monitor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  gap: 12px;
}

.status-monitor-name { font-weight: 600; flex: 1; }
.status-monitor-meta { display: flex; align-items: center; gap: 16px; font-size: 0.85rem; color: var(--text-secondary); }

/* 90-day uptime bars */
.uptime-bars {
  display: flex;
  gap: 2px;
  padding: 4px 18px 14px;
  align-items: flex-end;
  height: 40px;
}

.uptime-bar {
  flex: 1;
  border-radius: 2px;
  cursor: default;
  min-height: 4px;
  transition: opacity 0.1s;
  position: relative;
}

.uptime-bar:hover { opacity: 0.8; }

.uptime-bar.bar-up { background: var(--success); height: 100%; }
.uptime-bar.bar-partial { background: var(--warning); height: 60%; }
.uptime-bar.bar-down { background: var(--danger); height: 100%; }
.uptime-bar.bar-empty { background: var(--border); height: 30%; }

/* ---- Incidents ---- */
.incidents-section { margin-top: 32px; }
.incidents-section h3 { font-size: 0.875rem; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 12px; }

.incident-item {
  background: var(--surface);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.incident-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--danger); flex-shrink: 0; }

.incident-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 10px;
}

.incident-card .incident-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.incident-card .incident-title { font-weight: 600; font-size: 0.92rem; }
.incident-card .incident-meta { font-size: 0.78rem; color: var(--text-secondary); margin-top: 4px; }
.incident-card .incident-actions { display: flex; gap: 6px; }

/* Maintenance banner */
.maintenance-banner {
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-bottom: 10px;
  font-size: 0.875rem;
  color: var(--info);
}

.maintenance-banner strong { color: var(--text); }

/* ---- Settings Page ---- */
.settings-nav {
  display: flex;
  gap: 4px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.settings-nav-item {
  padding: 10px 16px;
  font-size: 0.875rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  background: none;
  border-top: none; border-left: none; border-right: none;
  font-weight: 500;
}

.settings-nav-item.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.settings-section { display: none; }
.settings-section.active { display: block; }

.settings-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}

.settings-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.channel-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

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

.channel-info { display: flex; align-items: center; gap: 12px; }
.channel-type-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--surface2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

/* ---- Tabs (generic) ---- */
.tab-nav {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.tab-nav-item {
  padding: 8px 16px;
  font-size: 0.85rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  background: none;
  border-top: none; border-left: none; border-right: none;
}

.tab-nav-item.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* ---- Toast ---- */
#toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast-item {
  padding: 12px 18px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: var(--shadow);
  animation: slideIn 0.3s ease;
  max-width: 320px;
}

.toast-success { background: #166534; color: #bbf7d0; border: 1px solid #22c55e40; }
.toast-error { background: #7f1d1d; color: #fecaca; border: 1px solid #ef444440; }
.toast-info { background: #1e1b4b; color: #c7d2fe; border: 1px solid #6366f140; }

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

/* ---- Spinner ---- */
.spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

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

/* ---- Responsive ---- */
@media (max-width: 700px) {
  .monitor-meta { display: none; }
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
  .stat-card { min-width: 80px; }
  .meta-item:not(:first-child) { display: none; }
  .toolbar { flex-direction: column; }
  .toolbar .search-input { min-width: unset; }
  .header-right { gap: 8px; font-size: 0.8rem; }
  .settings-nav { overflow-x: auto; }
}