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

:root {
  --navy:   #005087;
  --blue:   #2563eb;
  --bg:     #f4f6fb;
  --card:   #ffffff;
  --border: #dde3ef;
  --text:   #0f172a;
  --muted:  #64748b;
  --green:  #16a34a;
  --red:    #dc2626;
  --amber:  #d97706;
}

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

/* ── HEADER ── */
header {
  background: var(--navy);
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 50px;
  padding: 10px 0;
}

header img {
  height: auto;
  max-width: 100%;
}

main {
  flex-grow: 1;
  display: flex;
}

/* ── CONTAINER ── */
.container {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  width: 100%;
  padding: 1.25rem 1.5rem;
}

/* ── OVERVIEW GRID (group cards) ── */
#overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  margin-bottom: 1.25rem;
  border: 1px solid var(--border);
  background: var(--border);
}

.ov-card {
  background: var(--card);
  padding: 1rem;
  text-align: center;
}

.ov-card.fail { border-top: 3px solid var(--red); }
.ov-card.ok   { border-top: 3px solid var(--green); }

.ov-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.ov-donut {
  position: relative;
  width: 80px;
  height: 80px;
  margin: 0 auto 0.75rem;
}

.ov-donut canvas { display: block; }

.ov-donut-label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text);
  pointer-events: none;
}

.ov-status {
  font-size: 0.72rem;
  font-weight: 600;
}

.ov-status.success { color: var(--green); }
.ov-status.danger  { color: var(--red); }

/* ── DETAIL LIST — 3 colunas ── */
#detail-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  align-items: stretch;
}

/* ── ERRORS SECTION ── */
#errors-list {
  display: none;
  border: 1px solid #fecaca;
  border-left: 3px solid var(--red);
  background: #fef2f2;
  margin-bottom: 1.25rem;
}

.err-line {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 0.75rem;
  align-items: center;
  padding: 0.4rem 1rem;
  border-bottom: 1px solid #fecaca;
  font-size: 0.78rem;
}

.err-line:last-child { border-bottom: none; }

.err-ep {
  font-weight: 600;
  color: var(--red);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.err-msg {
  color: var(--red);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── ENDPOINT ROW ── */
.ep-row {
  display: grid;
  grid-template-columns: 10px 120px 1fr auto auto auto;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.6rem 1rem;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}

.ep-group {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ep-row:last-child { border-bottom: none; }

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.dot.ok      { background: var(--green); }
.dot.fail    { background: var(--red); }
.dot.unknown { background: #cbd5e1; }

.ep-name { font-size: 0.875rem; }

/* ── HISTORY BARS ── */
.bars {
  display: flex;
  gap: 2px;
  align-items: center;
}

.bar {
  width: 5px;
  height: 18px;
  flex-shrink: 0;
}

.bar.ok    { background: #86efac; }
.bar.fail  { background: #fca5a5; }
.bar.empty { background: #e2e8f0; }

/* ── UPTIME & RESPONSE TIME ── */
.ep-uptime {
  font-size: 0.78rem;
  font-weight: 600;
  min-width: 56px;
  text-align: right;
}

.ep-uptime.success { color: var(--green); }
.ep-uptime.warning { color: var(--amber); }
.ep-uptime.danger  { color: var(--red); }
.ep-uptime.muted   { color: var(--muted); }

.ep-rt {
  font-size: 0.72rem;
  color: var(--muted);
  min-width: 52px;
  text-align: right;
}

/* ── LOADING / ERROR ── */
.state-center {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--muted);
  grid-column: 1 / -1;
}

.spinner {
  width: 28px;
  height: 28px;
  border: 2.5px solid var(--border);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  margin: 0 auto 1rem;
}

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