:root {
  --bg: #17171a;
  --panel: #222227;
  --panel-2: #2c2c33;
  --border: #3a3a43;
  --text: #ececf1;
  --muted: #9a9aa6;
  --accent: #6c8cff;
  --danger: #ff6b6b;
  --item: 80px;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

main { max-width: 1100px; margin: 0 auto; padding: 0 16px 120px; }

.muted { color: var(--muted); font-size: 0.875rem; }

/* ---------- top bar ---------- */
.topbar {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.logo { width: 40px; height: 40px; flex-shrink: 0; }
.title-wrap { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.app-name {
  margin: 0;
  padding: 0 6px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
#title {
  margin: 0;
  font-size: 1.6rem;
  padding: 2px 6px;
  border-radius: 6px;
  outline: none;
  min-width: 4ch;
}
#title:hover, #title:focus { background: var(--panel); }
.topbar-actions { display: flex; gap: 8px; }

/* ---------- buttons & inputs ---------- */
.btn {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover:not(:disabled) { border-color: var(--accent); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn.ghost { background: transparent; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.btn.primary:hover { filter: brightness(1.1); }
.btn.danger:hover { border-color: var(--danger); color: var(--danger); }

input[type="text"], input[type="url"], input[type="search"] {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  font: inherit;
  font-size: 16px; /* below 16px, iOS Safari zooms in on focus */
  min-width: 0;
  flex: 1;
}
input:focus { outline: none; border-color: var(--accent); }

/* ---------- tiers ---------- */
.tiers {
  border: 1px solid #000;
  background: #000;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.tier {
  display: flex;
  min-height: calc(var(--item) + 4px);
  background: var(--panel);
}
.tier .label {
  width: 100px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  text-align: center;
  color: #111;
}
.tier .name {
  outline: none;
  font-weight: 700;
  font-size: 1.25rem;
  word-break: break-word;
  min-width: 1ch;
  border-radius: 4px;
  padding: 2px 4px;
}
.tier .name:focus { background: rgba(255, 255, 255, 0.35); }

.zone {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: 2px;
  padding: 2px;
  flex: 1;
  min-width: 0;
}
.tier .zone { min-height: calc(var(--item) + 4px); }

.tier .controls {
  display: grid;
  grid-template-columns: repeat(2, 28px);
  align-content: center;
  gap: 4px;
  padding: 4px 6px;
  background: var(--bg);
}
.icon-btn {
  width: 28px;
  height: 24px;
  padding: 0;
  border-radius: 6px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 0.8rem;
  cursor: pointer;
  line-height: 1;
}
.icon-btn:hover:not(:disabled) { border-color: var(--accent); }
.icon-btn:disabled { opacity: 0.3; cursor: default; }
.icon-btn.del:hover { border-color: var(--danger); color: var(--danger); }
.color-input {
  width: 28px;
  height: 24px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: none;
  cursor: pointer;
}
.color-input::-webkit-color-swatch-wrapper { padding: 2px; }
.color-input::-webkit-color-swatch { border: none; border-radius: 4px; }

.row-tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 12px 0 24px;
}

#add-item { margin-left: auto; }

/* ---------- pool ---------- */
.pool-section {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
}
.add-panel { display: flex; flex-wrap: wrap; gap: 8px; }
.add-group { display: flex; gap: 6px; flex: 1 1 260px; min-width: 0; }
.add-group input { width: 0; } /* let flex size it; avoids overflow on narrow screens */
.file-btn { display: inline-flex; align-items: center; }
.hint { margin: 10px 2px 0; }
.pool { margin-bottom: 12px; }
.pool {
  min-height: calc(var(--item) * 1.5);
  background: var(--bg);
  border-radius: 8px;
  border: 1px dashed var(--border);
}

/* ---------- items ---------- */
.item {
  width: var(--item);
  height: var(--item);
  flex-shrink: 0;
  background: var(--panel-2);
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
  overflow: hidden;
  position: relative;
}
.item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  pointer-events: none;
}
.item.text {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  text-align: center;
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.15;
  word-break: break-word;
  background: #3b3f52;
}
.item.broken::after {
  content: "⚠";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  color: var(--muted);
}

/* drag states */
.item.placeholder { opacity: 0.3; outline: 2px dashed var(--accent); outline-offset: -2px; }
.drag-ghost {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  pointer-events: none;
  transform-origin: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  opacity: 0.95;
  cursor: grabbing;
}
body.dragging, body.dragging * { cursor: grabbing !important; }

.trash {
  position: fixed;
  left: 50%;
  bottom: 16px;
  transform: translate(-50%, 150%);
  background: var(--panel);
  border: 2px dashed var(--danger);
  color: var(--danger);
  padding: 14px 28px;
  border-radius: 12px;
  font-weight: 600;
  transition: transform 0.15s ease, background 0.15s ease, visibility 0.15s;
  visibility: hidden;
  z-index: 900;
}
body.dragging .trash { transform: translate(-50%, 0); visibility: visible; }
.trash.over { background: var(--danger); color: #111; }

.toast {
  position: fixed;
  left: 50%;
  top: 16px;
  transform: translate(-50%, -200%);
  background: var(--panel-2);
  border: 1px solid var(--border);
  padding: 10px 16px;
  border-radius: 8px;
  transition: transform 0.2s ease;
  z-index: 1100;
  max-width: calc(100vw - 32px);
}
.toast.show { transform: translate(-50%, 0); }

body.file-over::after {
  content: "Drop images to add them";
  position: fixed;
  inset: 12px;
  border: 3px dashed var(--accent);
  border-radius: 16px;
  background: rgba(23, 23, 26, 0.85);
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  font-weight: 600;
  z-index: 1200;
  pointer-events: none;
}

/* ---------- image search ---------- */
.search-dialog {
  width: min(760px, calc(100vw - 32px));
  max-height: calc(100dvh - 32px);
  padding: 0;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.search-dialog::backdrop { background: rgba(0, 0, 0, 0.6); }
.search-box {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px;
  max-height: calc(100dvh - 34px);
}
.search-bar { display: flex; gap: 6px; align-items: center; }
.search-bar input { width: 0; }
.close-btn { width: 34px; height: 34px; font-size: 1rem; flex-shrink: 0; }
.source-tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.tab {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 12px;
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
}
.tab[aria-checked="true"] { background: var(--accent); border-color: var(--accent); color: #fff; }
.search-results {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  grid-auto-rows: max-content; /* keep tiles full size; overflow scrolls instead of squeezing */
  gap: 8px;
  overflow-y: auto;
  min-height: 0;
  flex: 1;
}
.search-results:empty { display: none; }
.result {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  border: 2px solid transparent;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  font: inherit;
  text-align: left;
}
.result:hover, .result:focus-visible { border-color: var(--accent); outline: none; }
.result img { flex-shrink: 0; width: 100%; aspect-ratio: 1; object-fit: cover; display: block; background: var(--panel-2); }
.result span {
  padding: 4px 6px;
  font-size: 0.75rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.result.busy { opacity: 0.5; cursor: progress; }
.result.added { border-color: #4caf50; }
.result.added::after {
  content: "✓";
  position: absolute;
  top: 4px;
  right: 4px;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #4caf50;
  color: #fff;
  font-weight: 700;
}
.search-footer { display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: wrap; }

/* ---------- about / FAQ ---------- */
.about { margin-top: 48px; max-width: 760px; line-height: 1.6; color: #cfcfd8; }
.about h2 { color: var(--text); font-size: 1.25rem; margin: 28px 0 8px; }
.about h2:first-child { margin-top: 0; }
.about p { margin: 0 0 12px; }
.steps { margin: 0; padding-left: 1.3em; }
.steps li { margin-bottom: 6px; }
.steps strong, .faq dt { color: var(--text); }
.faq { margin: 0; }
.faq dt { font-weight: 600; margin-top: 12px; }
.faq dd { margin: 2px 0 0; }

/* ---------- shared Thorstein Games bar and footer (tg-bar.js) ---------- */
/* The bar is 40px; hold its space before the script loads. */
tg-bar:not(:defined) { display: block; height: 40px; background: #0b0b0e; }
.page-ad { padding: 24px 0; }

/* ---------- small screens ---------- */
@media (max-width: 600px) {
  :root { --item: 60px; }
  main { padding: 0 8px 120px; }
  .topbar { padding: 12px 8px; }
  #title { font-size: 1.3rem; }
  .logo { width: 32px; height: 32px; }
  .tier .label { width: 64px; }
  .tier .name { font-size: 1rem; }
  .search-dialog { width: calc(100vw - 16px); max-height: calc(100dvh - 16px); }
  .search-box { max-height: calc(100dvh - 18px); padding: 10px; }
  .search-results { grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)); }
}