/* ====================================================================
   Pinaka Super Admin — Command Center
   Light, professional operations theme. Hand-written, no framework.
   ==================================================================== */

:root {
  --bg: #f1f5f9;
  --bg-2: #f8fafc;
  --bg-3: #eef2f7;
  --panel: #ffffff;
  --border: #e5e9f0;
  --border-2: #cbd5e1;
  --text: #1e293b;
  --text-dim: #64748b;
  --text-faint: #94a3b8;
  --accent: #2563eb;
  --accent-soft: #eff4ff;
  --accent-ink: #ffffff;
  --up: #16a34a;
  --slow: #d97706;
  --down: #dc2626;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow: 0 1px 3px rgba(15, 23, 42, 0.08), 0 6px 20px rgba(15, 23, 42, 0.06);
  --radius: 10px;
  --topbar-h: 54px;
  font-synthesis: none;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }
.muted { color: var(--text-faint); font-weight: 400; font-size: 0.78rem; }

button { font-family: inherit; cursor: pointer; }
svg { display: block; }

/* ===================== LOCK SCREEN ===================== */
.lock-screen {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background:
    radial-gradient(1100px 560px at 50% -5%, #e8eefb 0%, transparent 60%),
    var(--bg);
  z-index: 100;
}
.pin-box {
  width: min(360px, 90vw);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 34px 28px;
  box-shadow: var(--shadow);
  text-align: center;
}
.pin-brand { margin-bottom: 22px; display: flex; flex-direction: column; align-items: center; }
.pin-logo { margin-bottom: 10px; }
.pin-brand h1 { font-size: 1.1rem; margin: 2px 0; letter-spacing: 0.2px; color: var(--text); }
.pin-brand p { margin: 0; color: var(--text-dim); font-size: 0.72rem; letter-spacing: 2px; text-transform: uppercase; }
.pin-label { display: block; text-align: left; font-size: 0.75rem; color: var(--text-dim); margin-bottom: 6px; }
.pin-input {
  width: 100%;
  padding: 12px 14px;
  font-size: 1.4rem;
  letter-spacing: 8px;
  text-align: center;
  background: var(--bg-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  color: var(--text);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.pin-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.pin-submit {
  width: 100%;
  margin-top: 16px;
  padding: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent-ink);
  background: var(--accent);
  border: none;
  border-radius: var(--radius);
  transition: filter 0.15s, opacity 0.15s;
}
.pin-submit:hover { filter: brightness(1.06); }
.pin-submit:disabled { opacity: 0.5; cursor: not-allowed; }
.pin-msg { min-height: 1.1rem; margin: 14px 0 0; font-size: 0.82rem; color: var(--down); }
.pin-msg.ok { color: var(--up); }
.shake { animation: shake 0.4s; }
@keyframes shake {
  0%,100% { transform: translateX(0); }
  20%,60% { transform: translateX(-8px); }
  40%,80% { transform: translateX(8px); }
}

/* ===================== SHELL LAYOUT ===================== */
.shell { display: flex; flex-direction: column; height: 100%; }

.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  height: var(--topbar-h);
  padding: 0 14px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  flex: 0 0 auto;
  z-index: 5;
}
.topbar-left { display: flex; align-items: center; gap: 9px; flex: 0 0 auto; }
.brand-logo { display: flex; }
.brand-title { font-weight: 700; letter-spacing: 0.2px; white-space: nowrap; color: var(--text); }

/* ----- Tab strip ----- */
.tabstrip {
  display: flex;
  gap: 4px;
  align-items: center;
  flex: 1 1 auto;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--border-2) transparent;
  padding: 0 4px;
  height: 100%;
}
.tabstrip::-webkit-scrollbar { height: 6px; }
.tabstrip::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 3px; }

.tab {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--text-dim);
  white-space: nowrap;
  font-size: 0.85rem;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
}
.tab:hover { background: var(--bg-3); color: var(--text); }
.tab.active {
  background: var(--accent-soft);
  border-color: #d3e0fb;
  color: var(--text);
  font-weight: 600;
  box-shadow: inset 0 -2px 0 var(--tab-accent, var(--accent));
}
.tab-initial {
  width: 20px; height: 20px;
  display: grid; place-items: center;
  border-radius: 5px;
  font-size: 0.68rem; font-weight: 700;
  color: #ffffff;
  background: var(--tab-accent, var(--accent));
}
.tab-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--border-2);
  flex: 0 0 auto;
}
.tab-dot.up { background: var(--up); }
.tab-dot.slow { background: var(--slow); }
.tab-dot.down { background: var(--down); }
.tab-kbd { font-size: 0.6rem; color: var(--text-faint); border: 1px solid var(--border-2); border-radius: 4px; padding: 0 3px; }

/* ----- Right tools ----- */
.topbar-right { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.tab-tools { display: flex; gap: 3px; padding-right: 8px; border-right: 1px solid var(--border); }
.icon-btn {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  background: var(--bg-2);
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 7px;
  transition: color 0.12s, background 0.12s, border-color 0.12s;
}
.icon-btn:hover { color: var(--accent); background: var(--accent-soft); border-color: #d3e0fb; }
.icon-btn svg { width: 16px; height: 16px; }
.clock { font-variant-numeric: tabular-nums; color: var(--text-dim); font-size: 0.82rem; white-space: nowrap; }
.badge-super {
  font-size: 0.62rem; font-weight: 800; letter-spacing: 1.2px;
  color: var(--accent); background: var(--accent-soft);
  border: 1px solid #d3e0fb;
  padding: 4px 9px; border-radius: 6px; white-space: nowrap;
}
.logout-btn {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border-2);
  border-radius: 7px;
  padding: 6px 13px;
  font-size: 0.8rem;
  transition: color 0.12s, border-color 0.12s, background 0.12s;
}
.logout-btn:hover { color: var(--down); border-color: var(--down); background: #fef2f2; }

/* ===================== STAGE / PANELS ===================== */
.stage { position: relative; flex: 1 1 auto; min-height: 0; background: var(--bg); }
.panel { position: absolute; inset: 0; display: none; }
.panel.active { display: block; }

/* iframe panels */
.iframe-wrap { position: absolute; inset: 0; }
.iframe-wrap iframe { width: 100%; height: 100%; border: 0; background: #fff; display: block; }

/* loading + error overlays */
.overlay {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  background: var(--bg-2);
  z-index: 2;
}
.spinner {
  width: 42px; height: 42px;
  border: 3px solid var(--border-2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.error-card {
  text-align: center;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px 32px;
  max-width: 460px;
  box-shadow: var(--shadow);
}
.error-card h3 { margin: 0 0 8px; }
.error-card p { color: var(--text-dim); margin: 0 0 18px; font-size: 0.85rem; line-height: 1.55; }
.error-card code { background: var(--bg-3); padding: 1px 5px; border-radius: 4px; color: var(--text); font-size: 0.8rem; }
.error-actions { display: flex; gap: 10px; justify-content: center; }

/* ===================== OVERVIEW ===================== */
.overview-scroll { position: absolute; inset: 0; overflow-y: auto; padding: 24px; }
.section-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px; gap: 12px; flex-wrap: wrap;
}
.section-head h2 { margin: 0; font-size: 1.2rem; letter-spacing: 0.2px; }
.section-actions { display: flex; align-items: center; gap: 12px; }
.last-checked { color: var(--text-faint); font-size: 0.78rem; }
.btn {
  background: var(--accent); color: var(--accent-ink); border: none;
  border-radius: 8px; padding: 8px 14px; font-weight: 600; font-size: 0.82rem;
  transition: filter 0.12s;
}
.btn:hover { filter: brightness(1.06); }
.btn.ghost { background: var(--panel); color: var(--text); border: 1px solid var(--border-2); }
.btn.ghost:hover { background: var(--bg-3); filter: none; }

.health-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
  margin-bottom: 22px;
}
.hcard {
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 4px solid var(--border-2);
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.15s, transform 0.1s;
}
.hcard:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.hcard.up { border-left-color: var(--up); }
.hcard.slow { border-left-color: var(--slow); }
.hcard.down { border-left-color: var(--down); }
.hcard-top { display: flex; align-items: center; justify-content: space-between; }
.hcard-name { font-weight: 600; }
.hcard-status { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; }
.hcard.up .hcard-status { color: var(--up); }
.hcard.slow .hcard-status { color: var(--slow); }
.hcard.down .hcard-status { color: var(--down); }
.hcard-meta { display: flex; justify-content: space-between; margin-top: 10px; color: var(--text-faint); font-size: 0.75rem; }
.hcard-meta .ms { font-variant-numeric: tabular-nums; color: var(--text-dim); }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.card-block {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}
.card-block h3 { margin: 0 0 12px; font-size: 0.95rem; }

.events { list-style: none; margin: 0; padding: 0; max-height: 240px; overflow-y: auto; }
.events li {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 4px; border-bottom: 1px solid var(--border);
  font-size: 0.82rem;
}
.events li:last-child { border-bottom: none; }
.events-empty { color: var(--text-faint); }
.ev-pill { font-size: 0.62rem; font-weight: 800; padding: 2px 6px; border-radius: 5px; text-transform: uppercase; }
.ev-pill.up { background: #e7f6ec; color: var(--up); }
.ev-pill.slow { background: #fdf2e3; color: var(--slow); }
.ev-pill.down { background: #fdeaea; color: var(--down); }
.ev-time { margin-left: auto; color: var(--text-faint); font-size: 0.72rem; font-variant-numeric: tabular-nums; }

.quick-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; }
.quick-link {
  display: flex; align-items: center; gap: 9px;
  padding: 10px 12px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  text-decoration: none;
  font-size: 0.82rem;
  transition: border-color 0.12s, background 0.12s, transform 0.1s;
}
.quick-link:hover { border-color: var(--accent); background: var(--accent-soft); transform: translateY(-1px); }
.quick-link .q-mark {
  width: 18px; height: 18px; flex: 0 0 auto;
  display: grid; place-items: center;
  border-radius: 4px;
  font-size: 0.62rem; font-weight: 700; color: #fff;
  background: var(--q-color, var(--accent));
}

/* ===================== RESPONSIVE (Z Fold 7 ~720px) ===================== */
@media (max-width: 760px) {
  .brand-title { display: none; }
  .two-col { grid-template-columns: 1fr; }
  .clock { display: none; }
  .tab-kbd { display: none; }
}