/* =====================================================================
   layout.css — kerangka halaman: header, navigasi tab, grid, footer
   ===================================================================== */

.app-header {
  position: sticky;
  top: 0;
  z-index: 1100;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 20px;
  padding: 12px 20px;
  background: rgba(10, 18, 40, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

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

.brand-icon { font-size: 2rem; }
.brand p { font-size: 0.82rem; color: var(--text-muted); margin: 0; }

/* Jam realtime */
.clock {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  font-variant-numeric: tabular-nums;
  min-width: 190px;
}
.clock-main {
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.clock-time {
  font-family: var(--mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 1px;
}
.clock-zone {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}
.clock-sub {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  font-size: 0.75rem;
  color: var(--text-muted);
}
.clock-sub b { color: var(--text); font-family: var(--mono); font-weight: 600; }

.nav-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.nav-tab {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}
.nav-tab:hover { background: var(--surface-2); }
.nav-tab.is-active {
  background: var(--accent);
  color: #1a1a1a;
  border-color: var(--accent);
  font-weight: 700;
}

.app-main {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 20px 16px 40px;
}

.tab-panel { display: none; animation: fadeIn 0.25s ease; }
.tab-panel.is-active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: none; }
}

.grid-2, .grid-3 {
  display: grid;
  gap: 14px;
  margin-top: 14px;
}
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }

.hero { border-left: 4px solid var(--accent); }
.hero-now {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.hero-now b { color: var(--text); }

/* Tab zona */
.zone-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 14px;
  align-items: start;
}
.zone-sidebar { position: sticky; top: 92px; }
.zone-main { display: flex; flex-direction: column; gap: 14px; min-width: 0; }

.canvas-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.orbit-wrap { margin-top: 14px; text-align: center; }
.orbit-wrap canvas { margin: 0 auto; width: 100%; max-width: 260px; }

/* Tab OMC */
.omc-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 14px;
  margin-top: 14px;
  align-items: start;
}
.omc-side { display: flex; flex-direction: column; gap: 12px; min-width: 0; }

.app-footer {
  text-align: center;
  padding: 18px 16px 28px;
  font-size: 0.78rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

@media (max-width: 960px) {
  .zone-layout, .omc-layout { grid-template-columns: 1fr; }
  .zone-sidebar { position: static; }
}

@media (max-width: 640px) {
  .app-header { padding: 10px 12px; }
  .brand p { display: none; }
  .clock { align-items: flex-start; min-width: 0; }
  .clock-time { font-size: 1.2rem; }
  .app-main { padding: 14px 12px 32px; }
}