:root{
  --bg:#0f172a;
  --card:#020617;
  --card2:#071026;
  --text:#e5e7eb;
  --muted:#cbd5f5;
  --muted2:#94a3b8;
  --link:#38bdf8;
  --border:rgba(255,255,255,.08);
  --shadow:0 12px 35px rgba(0,0,0,.35);
}

body.light{
  --bg:#f8fafc;
  --card:#ffffff;
  --card2:#f1f5f9;
  --text:#0b1220;
  --muted:#334155;
  --muted2:#475569;
  --link:#0284c7;
  --border:rgba(0,0,0,.10);
  --shadow:0 12px 35px rgba(2,8,23,.10);
}

html,body{ height:100%; }

body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial;
  background:var(--bg);
  color:var(--text);
  margin:0;
  padding:0;
  transition: background .2s ease, color .2s ease;
}

a{
  color:var(--link);
  text-decoration:none;
  font-weight:650;
}
a:hover{ text-decoration:underline; }

.container{
  max-width:960px;
  margin:0 auto;
  padding:44px 20px;
}

.box{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:16px;
  padding:22px;
  margin-top:18px;
  box-shadow:0 10px 28px rgba(0,0,0,.16);
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .2s ease;
}
.box:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow);
  border-color:rgba(56,189,248,.22);
}

.sub{ color:var(--muted2); font-size:14px; margin-top:6px; }

/* Generic grid helper (not used for status cards) */
.grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(220px,1fr));
  gap:12px;
  margin-top:12px;
}

pre{
  background:var(--card2);
  padding:14px;
  border-radius:14px;
  overflow:auto;
  border:1px solid var(--border);
  color:var(--text);
  line-height:1.45;
  font-size:13px;
  margin:12px 0 0 0;
  transition: background .2s ease, color .2s ease;
}

/* Header toggle button (shared) */
.topbar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  margin-bottom:10px;
}

.theme-toggle{
  background:var(--card2);
  color:var(--text);
  border:1px solid var(--border);
  border-radius:999px;
  padding:8px 12px;
  cursor:pointer;
  font-size:15px;
  font-weight:800;
  display:inline-flex;
  align-items:center;
  gap:8px;
  user-select:none;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
  box-shadow:0 8px 22px rgba(0,0,0,.18);
}
.theme-toggle:hover{
  transform:translateY(-1px);
  border-color:rgba(56,189,248,.25);
}

/* --- Status UI helpers --- */

/* Overview KV grid */
.kv{
  display:grid;
  grid-template-columns: 1fr;
  gap:10px;
}
@media (min-width: 900px){
  .kv{ grid-template-columns: 1fr 1fr; }
}

.kv-row{
  display:flex;
  justify-content:space-between;
  gap:12px;
  padding:10px 12px;
  border-radius:12px;
  background:var(--card2);
  border:1px solid var(--border);
}
.kv-row strong{ color:var(--muted2); font-weight:900; }
.kv-row span{ font-weight:900; }

/* Badges */
.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 10px;
  border-radius:999px;
  font-weight:900;
  font-size:12px;
  border:1px solid var(--border);
  background:var(--card2);
}
.badge.ok{ border-color: rgba(34,197,94,.35); }
.badge.warn{ border-color: rgba(245,158,11,.35); }
.badge.bad{ border-color: rgba(239,68,68,.35); }

/* Card header row */
.card-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin:0 0 10px 0;
}

/* Small text lines */
.mini{
  color:var(--muted2);
  font-size:13px;
  line-height:1.35;
}

/* Chart frame */
.imgframe{
  margin-top:14px;
  border-radius:16px;
  border:1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  padding:12px;
  overflow:hidden;
}
.imgframe img{
  width:100%;
  max-width:720px;
  display:block;
  margin:0 auto;
  border-radius:12px;
  background:#fff;
}

/* Section titles (APT/ISO) */
.section-title{
  display:flex;
  align-items:center;
  gap:10px;
  margin: 18px 4px 10px 4px;
  font-size: 18px;
  font-weight: 900;
  color: var(--text);
}

/* --- APT cards: 3 columns desktop --- */
.status-grid-apt{
  display:grid;
  gap:20px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
@media (max-width: 1100px){
  .status-grid-apt{ grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 640px){
  .status-grid-apt{ grid-template-columns: 1fr; }
}

/* --- ISO cards: 2 columns desktop --- */
.status-grid-iso{
  display:grid;
  gap:20px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 8px;
}
@media (max-width: 640px){
  .status-grid-iso{ grid-template-columns: 1fr; }
}

/* Equal height ONLY inside status grids */
.status-grid-apt > .box,
.status-grid-iso > .box{
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  min-height: 210px;
}