:root {
  --bg: #fff8ec;
  --panel: #ffffff;
  --panel-2: #fff3d6;
  --text: #33291a;
  --muted: #8a7a5c;
  --accent: #ff8fab;
  --accent-2: #ffd166;
  --border: #f0e2c4;
  --shadow: 0 4px 14px rgba(0,0,0,.08);
  --canvas-bg: #ffffff;
}
[data-theme="dark"] {
  --bg: #1e1b2e;
  --panel: #2a2740;
  --panel-2: #35314f;
  --text: #f2eeff;
  --muted: #b3a9d6;
  --accent: #ff8fab;
  --accent-2: #ffd166;
  --border: #423d5f;
  --shadow: 0 4px 14px rgba(0,0,0,.35);
  --canvas-bg: #ffffff;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body {
  margin: 0; height: 100%;
  font-family: "Baloo 2", "Comic Sans MS", "Segoe UI", system-ui, sans-serif;
  background: var(--bg); color: var(--text);
  overscroll-behavior: none;
}
#app { height: 100dvh; display: flex; flex-direction: column; }

.screen { display: none; flex-direction: column; height: 100dvh; }
.screen.active { display: flex; }

.hidden { display: none !important; }

/* ---------- HOME ---------- */
.home-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: max(14px, env(safe-area-inset-top)) 16px 8px;
}
.home-header h1 { margin: 0; font-size: 1.7rem; }

.prompt-row {
  display: flex; gap: 8px; padding: 8px 16px;
}
#searchInput {
  flex: 1; border: 3px solid var(--border); border-radius: 16px;
  padding: 14px 16px; font-size: 1.05rem; background: var(--panel); color: var(--text);
  outline: none;
}
#searchInput:focus { border-color: var(--accent); }

.big-btn {
  border: none; border-radius: 16px; padding: 0 20px;
  font-size: 1.05rem; font-weight: 700; cursor: pointer;
  background: var(--accent); color: #fff; box-shadow: var(--shadow);
}
.big-btn:active { transform: scale(.96); }

.chips { display: flex; gap: 8px; overflow-x: auto; padding: 6px 16px 10px; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chip {
  flex: 0 0 auto; border: 2px solid var(--border); background: var(--panel);
  color: var(--text); border-radius: 999px; padding: 8px 14px; font-size: .95rem;
  cursor: pointer; white-space: nowrap;
}
.chip.active { background: var(--accent-2); border-color: var(--accent-2); color: #33291a; font-weight: 700; }

.gallery {
  flex: 1; overflow-y: auto; display: grid;
  grid-template-columns: repeat(2, 1fr); gap: 12px; padding: 10px 16px 24px;
  align-content: start;
}
@media (min-width: 620px) { .gallery { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 900px) { .gallery { grid-template-columns: repeat(4, 1fr); } }

.card {
  background: var(--panel); border: 3px solid var(--border); border-radius: 18px;
  overflow: hidden; cursor: pointer; box-shadow: var(--shadow);
  display: flex; flex-direction: column; transition: transform .1s;
}
.card:active { transform: scale(.97); }
.card img { width: 100%; aspect-ratio: 1; object-fit: contain; background: #fff; }
.card .label { padding: 8px; text-align: center; font-weight: 700; font-size: .95rem; }

.empty-msg { text-align: center; color: var(--muted); padding: 40px 20px; font-size: 1.1rem; }

/* ---------- COLORING ---------- */
.topbar {
  display: flex; align-items: center; gap: 6px;
  padding: max(10px, env(safe-area-inset-top)) 12px 8px;
  background: var(--panel); border-bottom: 2px solid var(--border);
}
.page-title { flex: 1; font-weight: 700; font-size: 1.05rem; text-align: center;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.topbar-actions { display: flex; gap: 4px; }

.icon-btn {
  border: none; background: var(--panel-2); border-radius: 12px;
  width: 44px; height: 44px; font-size: 1.25rem; cursor: pointer;
  display: grid; place-items: center; color: var(--text);
}
.icon-btn:active { transform: scale(.9); }

.canvas-wrap {
  flex: 1 1 auto; position: relative; margin: 8px; border-radius: 16px;
  background: var(--canvas-bg); box-shadow: var(--shadow);
  overflow: hidden; touch-action: none;
  display: grid; place-items: center; min-height: 0;
}
/* Stage keeps the drawing square and as large as the wrap allows */
.canvas-stage {
  position: relative;
  width: min(100%, calc(100dvh - 210px));
  aspect-ratio: 1;
  max-width: 100%; max-height: 100%;
}
.canvas-wrap canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
#lineCanvas { pointer-events: none; }

.toolbar {
  display: flex; gap: 10px; padding: 5px 12px; align-items: center;
  justify-content: space-between; flex-wrap: wrap; flex: 0 0 auto;
}
.tool-group { display: flex; gap: 6px; background: var(--panel); padding: 6px;
  border-radius: 14px; box-shadow: var(--shadow); }
.tool, .size {
  border: none; background: var(--panel-2); border-radius: 10px;
  width: 46px; height: 46px; font-size: 1.35rem; cursor: pointer;
  display: grid; place-items: center; color: var(--text);
}
.tool.active, .size.active { background: var(--accent); box-shadow: inset 0 0 0 3px rgba(0,0,0,.12); }
.tool:active, .size:active { transform: scale(.9); }
.sizes .dot { display: block; background: var(--text); border-radius: 50%; }

.palette {
  display: grid; grid-template-columns: repeat(11, 1fr); gap: 6px;
  padding: 6px 12px max(10px, env(safe-area-inset-bottom));
  flex: 0 0 auto;
}
@media (max-width: 420px) { .palette { grid-template-columns: repeat(7, 1fr); } }
.swatch {
  aspect-ratio: 1; border-radius: 50%; cursor: pointer; border: 3px solid rgba(0,0,0,.12);
  box-shadow: var(--shadow); max-width: 46px; margin: 0 auto; width: 100%;
}

/* Landscape / wide screens: put palette to the right so the canvas stays big */
@media (orientation: landscape) and (min-height: 380px) {
  #color { display: none; }
  #color.active { display: grid; grid-template-columns: 1fr auto;
    grid-template-rows: auto 1fr; height: 100dvh; }
  .topbar { grid-column: 1 / -1; }
  .canvas-wrap { grid-row: 2; grid-column: 1; }
  .canvas-stage { width: min(100%, calc(100dvh - 90px)); }
  .toolbar { grid-row: 2; grid-column: 2; flex-direction: column;
    align-content: start; width: 132px; overflow-y: auto; }
  .tool-group { flex-wrap: wrap; justify-content: center; }
  .palette { grid-row: 2; grid-column: 2; align-self: end;
    grid-template-columns: repeat(4, 1fr); width: 132px; }
}
.swatch.active { border-color: var(--text); transform: scale(1.12); }
.swatch.rainbow { background: conic-gradient(red,orange,yellow,green,cyan,blue,violet,red); }