/* layout.css — topbar + three-column workbench; phone: map + bottom sheets */

#topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 46px;
  padding: 0 12px;
  background: var(--bg-deep);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  font-family: var(--hand);
  font-size: 18px;
  white-space: nowrap;
}
.brand:hover { text-decoration: none; color: var(--accent); }
.brand em { font-style: normal; color: var(--faint); font-size: 14px; }
.brand-fish { color: var(--nalim); flex: none; }
.brand:hover .brand-fish { color: var(--accent); }

.tools { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.tools .sep { width: 1px; height: 20px; background: var(--border); margin: 0 4px; }

#app {
  display: grid;
  grid-template-columns: 264px 1fr 300px;
  height: calc(100dvh - 46px);
}

#sidebar {
  overflow-y: auto;
  background: var(--panel);
  border-right: 1px solid var(--border);
}

#map { position: relative; background: var(--bg-deep); }

#panel {
  overflow-y: auto;
  background: var(--panel);
  border-left: 1px solid var(--border);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
#panel:not(:has(section:not([hidden]))) { display: none; }
#app:has(#panel:not(:has(section:not([hidden])))) { grid-template-columns: 264px 1fr 0; }

.only-mobile { display: none; }

#drop-overlay[hidden] { display: none; }
#drop-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: grid;
  place-items: center;
  background: rgba(16, 15, 20, 0.82);
  border: 3px dashed var(--accent);
  filter: url(#wobble);
}
#drop-overlay div { font-family: var(--hand); font-size: 26px; color: var(--accent); }

/* phone: single column, sidebar/panel become sheets over the map */
@media (max-width: 760px) {
  #app { grid-template-columns: 1fr !important; grid-template-rows: 1fr; }
  #sidebar, #panel {
    position: fixed;
    z-index: 1200;
    left: 0;
    right: 0;
    bottom: 0;
    max-height: 55dvh;
    border: none;
    border-top: 2px solid var(--border-hi);
    border-radius: 14px 14px 0 0;
    transform: translateY(105%);
    transition: transform 0.25s ease;
  }
  #sidebar.open, #panel.open { transform: none; }
  #panel { display: flex !important; }
  .only-mobile { display: inline-block; }
  .brand span { display: none; }
}