/* ─── CSS-Variablen ─────────────────────────────────────────────────────────── */

:root {
  /* Brand */
  --accent:         #1E4D8C;
  --accent-light:   #2760b0;

  /* Status */
  --status-healthy:  #1D9E75;
  --status-degraded: #EF9F27;
  --status-down:     #E24B4A;
  --status-unknown:  #888780;

  /* Dark Theme (Standard) */
  --bg-page:        #0d1117;
  --bg-card:        #161b22;
  --bg-card-hover:  #1c2330;
  --bg-header:      #0d1117;
  --bg-footer:      #0d1117;
  --bg-input:       #21262d;

  --border:         #30363d;
  --border-subtle:  #21262d;

  --text-primary:   #e6edf3;
  --text-secondary: #8b949e;
  --text-muted:     #656d76;

  --shadow:         0 2px 12px rgba(0, 0, 0, 0.4);
  --shadow-card:    0 1px 3px rgba(0, 0, 0, 0.3), 0 0 0 1px var(--border);

  /* Spacing */
  --radius:         8px;
  --radius-sm:      4px;

  /* Font */
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

[data-theme="light"] {
  --bg-page:        #f6f8fa;
  --bg-card:        #ffffff;
  --bg-card-hover:  #f0f4f8;
  --bg-header:      #ffffff;
  --bg-footer:      #ffffff;
  --bg-input:       #f6f8fa;

  --border:         #d1d9e0;
  --border-subtle:  #e8ecf0;

  --text-primary:   #1f2328;
  --text-secondary: #656d76;
  --text-muted:     #8c959f;

  --shadow:         0 2px 12px rgba(0, 0, 0, 0.08);
  --shadow-card:    0 1px 3px rgba(0, 0, 0, 0.08), 0 0 0 1px var(--border);
}

/* ─── Reset & Base ──────────────────────────────────────────────────────────── */

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg-page);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3 {
  font-weight: 600;
  line-height: 1.25;
}

/* ─── Header ────────────────────────────────────────────────────────────────── */

.site-header {
  background: var(--bg-header);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-logo {
  width: 28px;
  height: 28px;
  background: var(--accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}

#app-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.theme-toggle {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  transition: background 0.15s, border-color 0.15s;
}

.theme-toggle:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
}

/* ─── Main ──────────────────────────────────────────────────────────────────── */

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
  flex: 1;
  width: 100%;
}

/* ─── Globaler Banner ───────────────────────────────────────────────────────── */

.global-banner {
  border-radius: var(--radius);
  padding: 14px 20px;
  margin-bottom: 28px;
  font-size: 15px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  border-left: 4px solid transparent;
  transition: background 0.3s, border-color 0.3s;
}

.global-banner--healthy {
  background: color-mix(in srgb, var(--status-healthy) 12%, var(--bg-card));
  border-color: var(--status-healthy);
  color: var(--status-healthy);
}

.global-banner--degraded {
  background: color-mix(in srgb, var(--status-degraded) 12%, var(--bg-card));
  border-color: var(--status-degraded);
  color: var(--status-degraded);
}

.global-banner--down {
  background: color-mix(in srgb, var(--status-down) 12%, var(--bg-card));
  border-color: var(--status-down);
  color: var(--status-down);
}

/* ─── Service-Gruppen & Grid ────────────────────────────────────────────────── */

.service-group {
  margin-bottom: 36px;
}

.group-heading {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
}

.group-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 640px) {
  .group-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .group-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ─── Service-Karte ─────────────────────────────────────────────────────────── */

.service-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 20px;
  transition: transform 0.15s, box-shadow 0.15s;
  position: relative;
  overflow: hidden;
}

.service-card:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.service-card--loading {
  opacity: 0.7;
}

.service-card--loading::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    color-mix(in srgb, var(--text-primary) 4%, transparent) 50%,
    transparent 100%
  );
  animation: shimmer 1.5s infinite;
  pointer-events: none;
}

@keyframes shimmer {
  from { transform: translateX(-100%); }
  to   { transform: translateX(100%); }
}

/* ─── Karten-Header ─────────────────────────────────────────────────────────── */

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}

.card-info {
  flex: 1;
  min-width: 0;
}

.card-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-desc {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ─── Status-Badge ──────────────────────────────────────────────────────────── */

.status-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
  flex-shrink: 0;
  border: 1px solid transparent;
  transition: background 0.3s, border-color 0.3s;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-badge--healthy {
  background: color-mix(in srgb, var(--status-healthy) 15%, var(--bg-card));
  border-color: color-mix(in srgb, var(--status-healthy) 35%, transparent);
  color: var(--status-healthy);
}
.status-badge--healthy .status-dot {
  background: var(--status-healthy);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--status-healthy) 25%, transparent);
  animation: pulse-green 2s infinite;
}

.status-badge--degraded {
  background: color-mix(in srgb, var(--status-degraded) 15%, var(--bg-card));
  border-color: color-mix(in srgb, var(--status-degraded) 35%, transparent);
  color: var(--status-degraded);
}
.status-badge--degraded .status-dot {
  background: var(--status-degraded);
}

.status-badge--down {
  background: color-mix(in srgb, var(--status-down) 15%, var(--bg-card));
  border-color: color-mix(in srgb, var(--status-down) 35%, transparent);
  color: var(--status-down);
}
.status-badge--down .status-dot {
  background: var(--status-down);
  animation: pulse-red 1.2s infinite;
}

.status-badge--cors,
.status-badge--unknown {
  background: color-mix(in srgb, var(--status-unknown) 12%, var(--bg-card));
  border-color: color-mix(in srgb, var(--status-unknown) 30%, transparent);
  color: var(--text-secondary);
}
.status-badge--cors .status-dot,
.status-badge--unknown .status-dot {
  background: var(--status-unknown);
}

@keyframes pulse-green {
  0%, 100% { box-shadow: 0 0 0 0   color-mix(in srgb, var(--status-healthy) 40%, transparent); }
  50%       { box-shadow: 0 0 0 5px color-mix(in srgb, var(--status-healthy) 0%,  transparent); }
}
@keyframes pulse-red {
  0%, 100% { box-shadow: 0 0 0 0   color-mix(in srgb, var(--status-down) 50%, transparent); }
  50%       { box-shadow: 0 0 0 5px color-mix(in srgb, var(--status-down) 0%,  transparent); }
}

/* ─── Metriken ──────────────────────────────────────────────────────────────── */

.card-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 14px;
}

.metric {
  background: var(--bg-page);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  text-align: center;
}

.metric-label {
  display: block;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 3px;
}

.metric-value {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

.metric-value--healthy  { color: var(--status-healthy); }
.metric-value--degraded { color: var(--status-degraded); }
.metric-value--down     { color: var(--status-down); }

/* ─── Sparkline ─────────────────────────────────────────────────────────────── */

.sparkline {
  display: block;
  width: 100%;
  margin-bottom: 12px;
  border-radius: var(--radius-sm);
}

/* ─── 90-Tage Uptime-Balken ─────────────────────────────────────────────────── */

.uptime-bars {
  display: grid;
  grid-template-columns: repeat(90, 1fr);
  gap: 1px;
  height: 28px;
  margin-bottom: 0;
}

.uptime-bar {
  border-radius: 2px;
  cursor: default;
  transition: opacity 0.15s, transform 0.15s;
}

.uptime-bar:hover {
  opacity: 0.75;
  transform: scaleY(1.15);
  transform-origin: bottom;
}

.uptime-bar--healthy  { background: var(--status-healthy); }
.uptime-bar--degraded { background: var(--status-degraded); }
.uptime-bar--down     { background: var(--status-down); }
.uptime-bar--nodata   { background: var(--border); }

/* ─── CORS-Hinweis ──────────────────────────────────────────────────────────── */

.cors-hint {
  margin-top: 12px;
  padding: 8px 12px;
  background: color-mix(in srgb, var(--status-unknown) 10%, var(--bg-card));
  border: 1px solid color-mix(in srgb, var(--status-unknown) 25%, transparent);
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.cors-icon {
  color: var(--status-degraded);
  font-style: normal;
}

.hidden {
  display: none !important;
}

/* ─── Incidents ─────────────────────────────────────────────────────────────── */

.incidents-section {
  margin-top: 40px;
}

.incidents-section h2 {
  font-size: 16px;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.no-incidents {
  color: var(--text-muted);
  font-size: 13px;
  padding: 16px 0;
}

.incident-item {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 8px;
  border-left: 3px solid transparent;
  box-shadow: var(--shadow-card);
}

.incident-item.incident--down     { border-color: var(--status-down); }
.incident-item.incident--degraded { border-color: var(--status-degraded); }

.incident-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.incident-name {
  font-weight: 600;
  font-size: 14px;
}

.incident-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 10px;
}

.incident--down .incident-badge {
  background: color-mix(in srgb, var(--status-down) 15%, transparent);
  color: var(--status-down);
}

.incident--degraded .incident-badge {
  background: color-mix(in srgb, var(--status-degraded) 15%, transparent);
  color: var(--status-degraded);
}

.incident-times {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 12px;
  color: var(--text-muted);
}

.incident-active {
  color: var(--status-down);
  font-weight: 600;
}

/* ─── Footer ────────────────────────────────────────────────────────────────── */

.site-footer {
  background: var(--bg-footer);
  border-top: 1px solid var(--border);
  padding: 0 24px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

#last-check-time {
  font-size: 12px;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.refresh-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ─── Countdown-Ring ────────────────────────────────────────────────────────── */

.countdown-wrapper {
  display: flex;
  align-items: center;
  gap: 6px;
}

.countdown-ring {
  display: block;
  transform: rotate(-90deg); /* 12-Uhr-Position */
}

.countdown-track {
  stroke: var(--border);
}

.countdown-progress {
  stroke: var(--accent);
  stroke-linecap: round;
  transition: stroke-dashoffset 0.9s linear;
}

#countdown-text {
  font-size: 12px;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  min-width: 28px;
}

/* ─── Refresh-Button ────────────────────────────────────────────────────────── */

.refresh-btn {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

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

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

/* ─── Scrollbar (Webkit) ────────────────────────────────────────────────────── */

::-webkit-scrollbar       { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ─── Responsive ────────────────────────────────────────────────────────────── */

@media (max-width: 480px) {
  main {
    padding: 16px;
  }

  .card-metrics {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-inner {
    flex-direction: column;
    height: auto;
    padding: 12px 0;
    gap: 8px;
  }

  .incident-times {
    flex-direction: column;
  }
}

@media (max-width: 360px) {
  .uptime-bars {
    grid-template-columns: repeat(45, 1fr);
  }
  .uptime-bars .uptime-bar:nth-child(n+46) {
    display: none;
  }
}