/* ── Variables ─────────────────────────────────────────────────────────────── */
:root {
  --bg:         #ffffff;
  --surface:    #f6f8fa;
  --surface-2:  #eef1f4;
  --surface-3:  #e1e4e8;
  --border:     #d0d7de;
  --text:       #1f2328;
  --text-muted: #636c76;
  --accent:     #0969da;
  --accent-dim: rgba(9,105,218,0.08);

  --c-ok:       #2da44e;
  --c-warning:  #c69026;
  --c-average:  #e16f24;
  --c-high:     #d1242f;
  --c-disaster: #8250df;
  --c-unknown:  #8c959f;

  --hex-w:   132px;   /* = hex-h × sin(60°) = 152 × 0.866 — required for regular hexagon */
  --hex-h:   152px;
  --hex-gap: 6px;
}

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

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

/* ── Header ────────────────────────────────────────────────────────────────── */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  height: 54px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 200;
  gap: 16px;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-ok);
  box-shadow: 0 0 0 3px rgba(45,164,78,0.2);
}

.brand-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text);
}

/* View toggle */
.view-toggle {
  display: flex;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 3px;
  gap: 2px;
}

.toggle-btn {
  padding: 5px 14px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 500;
  transition: background 0.12s, color 0.12s;
  white-space: nowrap;
}

.toggle-btn.active {
  background: var(--surface-3);
  color: var(--text);
}

.toggle-btn:not(.active):hover { color: var(--text); }

/* Header meta */
.header-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.last-updated {
  font-size: 0.72rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.refresh-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.12s, border-color 0.12s, background 0.12s;
}

.refresh-btn:hover { color: var(--text); background: var(--surface-2); }
.refresh-btn.spinning svg { animation: spin 0.6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Subbar ────────────────────────────────────────────────────────────────── */
.subbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  height: 42px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  gap: 16px;
}

.legend {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.73rem;
  color: var(--text-muted);
}

.swatch {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  flex-shrink: 0;
}

.swatch.ok       { background: var(--c-ok); }
.swatch.warning  { background: var(--c-warning); }
.swatch.average  { background: var(--c-average); }
.swatch.high     { background: var(--c-high); }
.swatch.disaster { background: var(--c-disaster); }

.summary {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

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

/* ── Countries split layout ────────────────────────────────────────────────── */
.countries-wrap {
  display: flex;
  min-height: calc(100vh - 96px);
  align-items: stretch;
}

.country-col {
  flex: 1;
  min-width: 0;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}

.country-col:last-child {
  border-right: none;
}

.country-col-header {
  padding: 14px 20px 12px;
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.country-col-count {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: none;
  letter-spacing: 0;
}

.country-col-stats {
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--text-muted);
  text-transform: none;
  letter-spacing: 0;
  white-space: nowrap;
}

.country-col-body {
  padding: 20px;
  flex: 1;
  overflow-y: auto;
}

/* ── Loading / Error ───────────────────────────────────────────────────────── */
.page-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 80px 24px;
  color: var(--text-muted);
  font-size: 0.875rem;
  width: 100%;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--surface-3);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.error-box {
  background: #fff0ee;
  border: 1px solid #ffa198;
  color: #b91c1c;
  border-radius: 8px;
  padding: 14px 18px;
  font-size: 0.85rem;
  max-width: 600px;
  margin: 20px;
}

/* ── Hex Grid ──────────────────────────────────────────────────────────────── */
.hex-col-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hex-row {
  display: flex;
  gap: var(--hex-gap);
  /* Vertical overlap for equal gaps on all 6 sides:
     center-to-center-y = (hex-w + gap) × sin(60°)
     margin-top = -(hex-h - center-to-center-y) = -(hex-h/4 - gap × 0.866) */
  margin-top: calc(var(--hex-h) * -0.25 + var(--hex-gap) * 0.866);
}

.hex-row:first-child {
  margin-top: 0;
}

.hex-row.offset {
  margin-left: calc(var(--hex-w) / 2 + var(--hex-gap) / 2);
}

/* ── Hex Item ──────────────────────────────────────────────────────────────── */
.hex-item {
  width:  var(--hex-w);
  height: var(--hex-h);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: filter 0.15s, transform 0.15s;
  position: relative;
  padding: 18px 16px;
  flex-shrink: 0;
  user-select: none;
}

.hex-item:hover {
  filter: brightness(1.1) saturate(1.15);
  transform: scale(1.07);
  z-index: 10;
}

.hex-item:active { transform: scale(0.97); }

.hex-label {
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
  text-align: center;
  line-height: 1.2;
  word-break: break-word;
  max-width: 108px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  text-overflow: ellipsis;
  text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.hex-hosts {
  font-size: 1rem;
  font-weight: 500;
  color: rgba(255,255,255,0.82);
  margin-top: 2px;
  line-height: 1;
  text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.hex-count {
  font-size: 0.68rem;
  font-weight: 800;
  color: rgba(255,255,255,0.95);
  margin-top: 3px;
  line-height: 1;
  text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

/* ── Severity colours ──────────────────────────────────────────────────────── */
.sev--1 { background: var(--c-ok); }
.sev-2  { background: var(--c-warning); }
.sev-3  { background: var(--c-average); }
.sev-4  { background: var(--c-high); }
.sev-5  {
  background: var(--c-disaster);
  animation: disaster-pulse 1.8s ease-in-out infinite;
}

@keyframes disaster-pulse {
  0%,100% { filter: brightness(1); }
  50%      { filter: brightness(1.3) saturate(1.2); }
}

/* ── Problem list ──────────────────────────────────────────────────────────── */
.problems-section {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 2px solid var(--border);
}

.problems-section-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.problem-group {
  margin-bottom: 18px;
}

.problem-group-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border);
}

.problem-group-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text);
}

.problem-group-count {
  font-size: 0.68rem;
  font-weight: 600;
  background: var(--surface-3);
  color: var(--text-muted);
  padding: 1px 8px;
  border-radius: 10px;
}

.problem-list-row {
  display: grid;
  grid-template-columns: 8px minmax(0, 1.2fr) minmax(0, 2.5fr) auto;
  align-items: center;
  gap: 10px;
  padding: 6px 10px;
  border-radius: 6px;
  margin-bottom: 3px;
  background: var(--surface);
  border: 1px solid var(--border);
}

.problem-list-row:hover {
  background: var(--surface-2);
}

.pl-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.pl-host {
  font-size: 1rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pl-desc {
  font-size: 1rem;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pl-time {
  font-size: 1rem;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ── Modal ─────────────────────────────────────────────────────────────────── */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.35);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(2px);
}

.modal-panel {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  width: 100%;
  max-width: 560px;
  max-height: 80vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(0,0,0,0.18);
  animation: modal-in 0.16s ease-out;
}

@keyframes modal-in {
  from { opacity: 0; transform: scale(0.96) translateY(6px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  background: var(--surface);
}

.modal-title-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

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

.modal-header h2 {
  font-size: 0.95rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 6px;
  flex-shrink: 0;
  transition: background 0.12s, color 0.12s;
}

.modal-close:hover { background: var(--surface-3); color: var(--text); }

.modal-body {
  overflow-y: auto;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.host-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
}

.host-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.host-name {
  font-size: 0.85rem;
  font-weight: 600;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sev-badge {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 20px;
  white-space: nowrap;
  flex-shrink: 0;
  color: #fff;
}

.problem-list { display: flex; flex-direction: column; gap: 6px; }

.problem-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.problem-pip {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 5px;
}

.problem-text { font-size: 0.78rem; line-height: 1.4; }
.problem-time { font-size: 0.68rem; color: var(--text-muted); margin-top: 1px; }

.no-problems {
  font-size: 0.78rem;
  color: var(--c-ok);
  font-weight: 500;
}

.modal-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
}

/* ── Responsive ────────────────────────────────────────────────────────────── */
@media (max-width: 700px) {
  :root {
    --hex-w: 95px;   /* 110 × 0.866 */
    --hex-h: 110px;
    --hex-gap: 4px;
  }

  .countries-wrap { flex-direction: column; }
  .country-col { border-right: none; border-bottom: 1px solid var(--border); }
  .hex-label { font-size: 0.82rem; max-width: 68px; }
}