@import url('https://fonts.googleapis.com/css2?family=Geist:wght@400;500;600;700&family=Geist+Mono:wght@400;500;600&display=swap');

/* ── Theme Variables ────────────────────────────── */
:root,
[data-theme="light"] {
  --bg: #f8fafc;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-muted: #f1f5f9;
  --text: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --accent: #2563eb;
  --accent-rgb: 37, 99, 235;
  --green: #10b981;
  --green-bg: rgba(16, 185, 129, 0.1);
  --red: #ef4444;
  --red-bg: rgba(239, 68, 68, 0.1);
  --orange: #f59e0b;
  --orange-bg: rgba(245, 158, 11, 0.1);
  --gray: #64748b;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.03), 0 2px 4px -2px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --radius: 12px;
  --font: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Geist Mono', SFMono-Regular, Consolas, 'Liberation Mono', Menlo, monospace;
  --backdrop: blur(16px);
}

[data-theme="dark"] {
  --bg: #090d16;
  --bg-card: rgba(17, 24, 39, 0.7);
  --bg-muted: #1f2937;
  --text: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  --border: rgba(30, 41, 59, 0.6);
  --accent: #60a5fa;
  --accent-rgb: 96, 165, 250;
  --green: #34d399;
  --green-bg: rgba(52, 211, 153, 0.12);
  --red: #f87171;
  --red-bg: rgba(248, 113, 113, 0.12);
  --orange: #fbbf24;
  --orange-bg: rgba(251, 191, 36, 0.12);
  --gray: #475569;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.15), 0 2px 4px -2px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.25), 0 4px 6px -4px rgba(0, 0, 0, 0.25);
}

@media (prefers-color-scheme: dark) {
  [data-theme="auto"] {
    --bg: #090d16;
    --bg-card: rgba(17, 24, 39, 0.7);
    --bg-muted: #1f2937;
    --text: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    --border: rgba(30, 41, 59, 0.6);
    --accent: #60a5fa;
    --accent-rgb: 96, 165, 250;
    --green: #34d399;
    --green-bg: rgba(52, 211, 153, 0.12);
    --red: #f87171;
    --red-bg: rgba(248, 113, 113, 0.12);
    --orange: #fbbf24;
    --orange-bg: rgba(251, 191, 36, 0.12);
    --gray: #475569;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.15), 0 2px 4px -2px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.25), 0 4px 6px -4px rgba(0, 0, 0, 0.25);
  }
}

/* ── Reset ─────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.upcoming-maintenance-toggle {
  text-align: center;
  margin-top: 8px;
}

.upcoming-maintenance-toggle button {
  appearance: none;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font: inherit;
  text-decoration: underline;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.15s ease;
}
a:hover {
  color: var(--text);
}

/* ── Header / Nav ──────────────────────────────── */
#header {
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background-color 0.25s ease;
}

.nav-bar {
  max-width: 1048px;
  margin: 0 auto;
  padding: 14px 20px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
}

.nav-brand {
  color: var(--text) !important;
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none !important;
  justify-self: start;
}

.nav-brand img {
  flex: 0 0 auto;
}

.nav-brand span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 16px;
  justify-self: end;
}

.nav-links {
  display: flex;
  gap: 16px;
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.15s ease;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
  text-decoration: none;
}
.nav-links a.highlight {
  background: var(--accent);
  color: #ffffff !important;
  padding: 5px 11px;
  border-radius: 8px;
  font-weight: 600;
  transition: opacity 0.15s ease;
}
.nav-links a.highlight:hover {
  opacity: 0.9;
}

.nav-links a.icon-link {
  background: none;
  border: 1px solid var(--border);
  padding: 8px;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--text-secondary);
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.nav-links a.icon-link:hover {
  color: var(--accent);
  background: var(--bg-muted);
  transform: scale(1.03);
}

.nav-links a.icon-link svg {
  width: 20px;
  height: 20px;
}

/* Theme Switcher Button */
.theme-toggle-btn {
  background: none;
  border: 1px solid var(--border);
  padding: 8px;
  border-radius: 50%;
  cursor: pointer;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
  width: 44px;
  height: 44px;
}
.theme-toggle-btn:hover {
  background: var(--bg-muted);
  color: var(--accent);
  transform: scale(1.03);
}
.theme-toggle-btn svg {
  width: 16px;
  height: 16px;
}
html[data-theme="light"] .theme-toggle-btn .sun-icon { display: none; }
html[data-theme="light"] .theme-toggle-btn .moon-icon { display: block; }
html[data-theme="dark"] .theme-toggle-btn .sun-icon { display: block; }
html[data-theme="dark"] .theme-toggle-btn .moon-icon { display: none; }

@media (prefers-color-scheme: dark) {
  html[data-theme="auto"] .theme-toggle-btn .sun-icon { display: block; }
  html[data-theme="auto"] .theme-toggle-btn .moon-icon { display: none; }
}
@media (prefers-color-scheme: light) {
  html[data-theme="auto"] .theme-toggle-btn .sun-icon { display: none; }
  html[data-theme="auto"] .theme-toggle-btn .moon-icon { display: block; }
}

/* ── Main Content ──────────────────────────────── */
#main-content {
  max-width: 1048px;
  margin: 0 auto;
  padding: 32px 20px;
  animation: fadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Overall Status ────────────────────────────── */
.overall-status {
  text-align: center;
  padding: 36px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  backdrop-filter: var(--backdrop);
  -webkit-backdrop-filter: var(--backdrop);
  margin-bottom: 24px;
}

.overall-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.25s ease;
}
.overall-status.status-ok .overall-icon {
  background: var(--green-bg);
  color: var(--green);
  animation: pulse-green 2.5s infinite;
}
.overall-status.status-warn .overall-icon {
  background: var(--orange-bg);
  color: var(--orange);
  animation: pulse-orange 2.5s infinite;
}
.overall-status.status-stale .overall-icon {
  background: var(--orange-bg);
  color: var(--gray);
}
.overall-status.status-error .overall-icon {
  background: var(--red-bg);
  color: var(--red);
  animation: pulse-red 2.5s infinite;
}

.overall-icon svg {
  width: 32px;
  height: 32px;
}

@keyframes pulse-green {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.35); }
  70% { box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}
@keyframes pulse-orange {
  0% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.35); }
  70% { box-shadow: 0 0 0 10px rgba(245, 158, 11, 0); }
  100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }
}
@keyframes pulse-red {
  0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.35); }
  70% { box-shadow: 0 0 0 10px rgba(239, 68, 68, 0); }
  100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

.status-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-top: 8px;
}

.status-subtitle {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-top: 8px;
}

/* ── Maintenance Alert ─────────────────────────── */
.maintenance-alert {
  display: flex;
  gap: 16px;
  padding: 16px 20px;
  border-radius: var(--radius);
  margin: 16px 0;
  font-size: 0.9rem;
  align-items: flex-start;
  border-left: 3px solid currentColor;
  box-shadow: var(--shadow);
}
.maintenance-alert.yellow {
  background: var(--orange-bg);
  color: var(--orange);
}
.maintenance-alert.gray {
  background: var(--bg-muted);
  color: var(--text-secondary);
}
.maintenance-alert.blue {
  background: rgba(var(--accent-rgb), 0.08);
  color: var(--accent);
}
.maintenance-alert-icon {
  flex-shrink: 0;
  margin-top: 2px;
}
.maintenance-alert-icon svg {
  width: 18px;
  height: 18px;
}
.maintenance-alert-title {
  font-weight: 700;
  margin-bottom: 4px;
}
.maintenance-alert-body {
  white-space: pre-line;
  opacity: 0.95;
}
.maintenance-alert-meta {
  font-size: 0.775rem;
  opacity: 0.8;
  margin-top: 8px;
}

/* ── Monitor Card ──────────────────────────────── */
.monitor-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px 24px;
  margin-top: 16px;
  box-shadow: var(--shadow);
  backdrop-filter: var(--backdrop);
  -webkit-backdrop-filter: var(--backdrop);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.monitor-card:hover {
  border-color: rgba(var(--accent-rgb), 0.35);
  box-shadow: var(--shadow-lg);
}

details.monitor-card {
  outline: none;
}
details.monitor-card summary {
  list-style: none;
  outline: none;
}
details.monitor-card summary::-webkit-details-marker {
  display: none;
}

.monitor-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.monitor-name {
  font-weight: 600;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 8px;
}
.monitor-name a:hover {
  text-decoration: underline !important;
}

.monitor-status-icon {
  display: inline-flex;
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
}
.monitor-status-icon svg { width: 100%; height: 100%; }
.monitor-status-icon.up { color: var(--green); }
.monitor-status-icon.down { color: var(--red); }
.monitor-status-icon.unknown { color: var(--gray); }

.monitor-uptime {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.825rem;
  letter-spacing: -0.01em;
}

/* ── Uptime Bar (90 days) ──────────────────────── */
.uptime-bars {
  display: flex;
  gap: 3px;
  margin: 16px 0 10px;
  justify-content: flex-end;
  padding-bottom: 2px;
}

.uptime-bar {
  flex-grow: 1;
  min-width: 3px;
  max-width: 8px;
  height: 24px;
  border-radius: 3px;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform 0.15s cubic-bezier(0.34, 1.56, 0.64, 1), filter 0.15s ease;
}
.uptime-bar:hover {
  transform: scaleY(1.25) scaleX(1.1);
  filter: brightness(1.05);
}

/* ── Latency Chart ─────────────────────────────── */
.chart-container {
  height: 150px;
  margin-top: 16px;
  position: relative;
  border-radius: 8px;
  overflow: visible;
}
.chart-container canvas {
  width: 100% !important;
  height: 100% !important;
}

/* Interactive Chart Tooltip */
.chart-tooltip {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  padding: 8px 12px;
  border-radius: 8px;
  pointer-events: none;
  font-size: 0.725rem;
  z-index: 10;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.12s ease, transform 0.12s ease;
  transform: translate(-50%, -10px);
  text-align: center;
  backdrop-filter: var(--backdrop);
  -webkit-backdrop-filter: var(--backdrop);
}
.chart-tooltip .tooltip-time {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-weight: 500;
  margin-bottom: 2px;
}
.chart-tooltip .tooltip-value {
  color: var(--text);
  font-family: var(--font-mono);
  font-weight: 600;
}

/* ── Incidents Page ────────────────────────────── */
.incidents-controls {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 20px;
}

.month-select {
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 14px;
  font-size: 0.875rem;
  max-width: 300px;
  outline: none;
  cursor: pointer;
  transition: border-color 0.15s;
}
.month-select:focus {
  border-color: var(--accent);
}

.incidents-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 24px;
}

.btn {
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 16px;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
  box-shadow: var(--shadow);
}
.btn:hover {
  background: var(--bg-muted);
  border-color: var(--accent);
}
.btn:active {
  transform: scale(0.97);
}

/* ── Footer ────────────────────────────────────── */
.footer {
  text-align: center;
  padding: 32px 24px;
  color: var(--text-muted);
  font-size: 0.825rem;
  border-top: 1px solid var(--border);
  margin-top: 48px;
}
.footer a {
  color: var(--text-secondary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.15s ease;
}
.footer a:hover {
  color: var(--accent);
}

/* ── Tooltip (for status bar hover) ────────────── */
.tooltip-text {
  visibility: hidden;
  opacity: 0;
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  font-size: 0.725rem;
  padding: 6px 10px;
  border-radius: 6px;
  white-space: nowrap;
  z-index: 200;
  transition: opacity 0.12s ease, transform 0.12s ease;
  pointer-events: none;
  font-weight: 500;
  text-align: center;
  backdrop-filter: var(--backdrop);
  -webkit-backdrop-filter: var(--backdrop);
}
.tooltip:hover .tooltip-text {
  visibility: visible;
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.tooltip:focus-within .tooltip-text {
  visibility: visible;
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── Incident History ─────────────────────────── */
.incidents-section + .incidents-section {
  margin-top: 32px;
}
.incidents-section h1,
.incidents-section h2 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}
.incident-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 20px;
  margin-top: 12px;
}
.incident-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.incident-heading h2 {
  font-size: 1rem;
  margin: 0;
}
.incident-status {
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 8px;
}
.incident-status.ongoing {
  background: var(--red-bg);
  color: var(--red);
}
.incident-status.resolved {
  background: var(--green-bg);
  color: var(--green);
}
.incident-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-top: 14px;
}
.incident-details dt {
  color: var(--text-muted);
  font-size: 0.75rem;
}
.incident-details dd {
  margin: 2px 0 0;
  font-family: var(--font-mono);
  font-size: 0.825rem;
}

/* ── Modal (for incident details) ──────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(4px);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  max-width: 600px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  position: relative;
  backdrop-filter: var(--backdrop);
  -webkit-backdrop-filter: var(--backdrop);
}
.modal-title {
  font-weight: 700;
  font-size: 1.125rem;
  margin-bottom: 12px;
}
.modal-close {
  float: right;
  cursor: pointer;
  font-size: 1.25rem;
  color: var(--text-muted);
  transition: color 0.15s ease;
  border: none;
  background: none;
}
.modal-close:hover {
  color: var(--text);
}

/* ── Loading / Error / No Data ─────────────────── */
.empty-state {
  text-align: center;
  padding: 60px 40px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.loading-spinner {
  width: 32px;
  height: 32px;
  margin: 0 auto;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s cubic-bezier(0.5, 0.1, 0.4, 0.9) infinite;
}

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

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ── Responsive ────────────────────────────────── */
@media (max-width: 640px) {
  #main-content {
    padding: 20px 12px;
  }
  .nav-bar {
    padding: 12px 16px;
  }
  .nav-brand span {
    display: none;
  }
  .nav-controls {
    gap: 10px;
  }
  .nav-links {
    gap: 10px;
  }
  .nav-links a {
    font-size: 0.825rem;
  }
  .nav-links a.highlight {
    padding: 4px 8px;
    border-radius: 6px;
  }
  .overall-status {
    padding: 24px 16px;
    margin-bottom: 16px;
  }
  .overall-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 10px;
  }
  .overall-icon svg {
    width: 24px;
    height: 24px;
  }
  .status-title {
    font-size: 1.25rem;
  }
  .status-subtitle {
    font-size: 0.8rem;
    margin-top: 6px;
  }
  .maintenance-alert {
    padding: 12px 16px;
    gap: 12px;
  }
  .monitor-card {
    padding: 16px;
    border-radius: 12px;
    margin-top: 12px;
  }
  .monitor-header {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    width: 100%;
  }
  .monitor-name {
    font-size: 0.95rem;
    max-width: 60%;
  }
  .monitor-uptime {
    font-size: 0.8rem;
  }
  .uptime-bars {
    justify-content: space-between;
    gap: 1px;
    margin: 12px 0 8px;
  }
  .uptime-bar {
    flex-grow: 1;
    min-width: 2px;
    max-width: 6px;
    height: 18px;
    border-radius: 2px;
  }
  /* Hide the oldest 30 bars (first 30 elements) to only show the last 60 days on mobile */
  .uptime-bar:nth-child(-n+30) {
    display: none;
  }
  .incidents-controls {
    justify-content: center;
    width: 100%;
  }
  .month-select {
    width: 100%;
    max-width: none;
  }
  .incidents-nav {
    gap: 12px;
  }
  .incidents-nav .btn {
    flex-grow: 1;
    text-align: center;
  }
  .modal-content {
    padding: 18px;
    border-radius: 12px;
  }
  .modal-title {
    font-size: 1rem;
  }
}