/* ═══════════════════════════════════════════════════════════
   tool.css — Photo Frame Tool
   Every class is prefixed .pip- so nothing collides with
   shared.css (which already owns .chip, .pill, .btn-*, …).
   All colours come from the site's design tokens, so the tool
   follows the 🌙 theme toggle in both directions.
   ═══════════════════════════════════════════════════════════ */

/* ── App shell ────────────────────────────────────────────── */
.pip-app {
  display: grid;
  grid-template-columns: 304px 1fr;
  height: min(78vh, 820px);
  min-height: 580px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  font-size: 14px;
}

/* ── Control panel ────────────────────────────────────────── */
.pip-panel {
  background: var(--surface2);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  overscroll-behavior: contain;
}
.pip-panel::-webkit-scrollbar { width: 10px; }
.pip-panel::-webkit-scrollbar-thumb {
  background: var(--border2); border-radius: 8px; border: 3px solid var(--surface2);
}

.pip-group { padding: 16px 16px 18px; border-bottom: 1px solid var(--border); }
.pip-group:last-child { border-bottom: none; }
.pip-group h3 {
  font-family: 'Outfit', sans-serif;
  font-size: .68rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 12px;
}

/* ── Layer slots ──────────────────────────────────────────── */
.pip-slot {
  display: flex; align-items: center; gap: 10px;
  padding: 9px; margin-bottom: 8px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color .2s, box-shadow .2s;
}
.pip-slot.filled { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-bg); }
.pip-thumb {
  width: 46px; height: 46px; flex: 0 0 46px;
  border-radius: 9px; overflow: hidden; display: grid; place-items: center;
  border: 1px solid var(--border);
  /* transparency checkerboard */
  background-color: var(--bg2);
  background-image:
    linear-gradient(45deg, var(--border) 25%, transparent 25%, transparent 75%, var(--border) 75%),
    linear-gradient(45deg, var(--border) 25%, transparent 25%, transparent 75%, var(--border) 75%);
  background-size: 12px 12px;
  background-position: 0 0, 6px 6px;
}
.pip-thumb span { font-size: .55rem; font-weight: 700; letter-spacing: .06em; color: var(--muted); }
.pip-thumb img { width: 100%; height: 100%; object-fit: contain; }
.pip-slot-body { flex: 1 1 auto; min-width: 0; }
.pip-slot-title {
  font-size: .84rem; font-weight: 600; color: var(--text);
  display: flex; align-items: center; gap: 6px;
}
.pip-tag {
  font-size: .58rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase;
  color: var(--muted); border: 1px solid var(--border2); border-radius: 20px; padding: 1px 7px;
}
.pip-slot-meta {
  font-size: .7rem; color: var(--muted);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.pip-slot-btns { display: flex; gap: 4px; flex: 0 0 auto; }

/* ── Buttons ──────────────────────────────────────────────── */
.pip-btn {
  font-family: 'Outfit', sans-serif; font-size: .78rem; font-weight: 500;
  color: var(--text); background: var(--surface);
  border: 1px solid var(--border2); border-radius: 8px;
  padding: 7px 12px; cursor: pointer; white-space: nowrap;
  transition: background .18s, border-color .18s, transform .12s, color .18s;
}
.pip-btn:hover:not(:disabled) { background: var(--bg2); border-color: var(--accent); color: var(--accent); }
.pip-btn:active:not(:disabled) { transform: translateY(1px); }
.pip-btn:disabled { opacity: .45; cursor: not-allowed; }
.pip-btn.tiny { padding: 5px 9px; font-size: .72rem; }
.pip-btn.ghost { background: transparent; }
.pip-btn.on { background: var(--accent-bg); border-color: var(--accent); color: var(--accent); font-weight: 600; }
.pip-btn-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin-top: 12px; }
.pip-btn-grid .pip-btn { padding: 7px 2px; font-size: .7rem; text-align: center; }

/* ── Rows, inputs ─────────────────────────────────────────── */
.pip-row { display: flex; align-items: center; gap: 8px; margin-top: 10px; }
.pip-lbl { font-size: .75rem; color: var(--text2); flex: 1 1 auto; }
.pip-unit { font-size: .68rem; color: var(--muted); }
.pip-app input[type=number],
.pip-app select {
  font-family: 'Outfit', sans-serif; font-size: .78rem; color: var(--text);
  background: var(--bg2); border: 1px solid var(--border2);
  border-radius: 8px; padding: 6px 9px; width: 86px;
}
.pip-app select { width: 128px; }
.pip-app input[type=number]:focus,
.pip-app select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.pip-custom { justify-content: flex-start; }
.pip-custom input { width: 66px; }
.pip-colon { color: var(--muted); font-weight: 600; }
.pip-color {
  width: 42px; height: 28px; padding: 2px; cursor: pointer;
  border: 1px solid var(--border2); border-radius: 7px; background: var(--bg2);
}
.pip-outsize {
  margin-top: 10px; padding: 7px 10px; text-align: center;
  font-size: .72rem; font-weight: 600; color: var(--text2);
  background: var(--bg2); border: 1px solid var(--border); border-radius: 8px;
}

/* ── Ratio chips (NOT .chip — that belongs to shared.css) ─── */
.pip-ratios { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.pip-chip {
  font-family: 'Outfit', sans-serif; font-size: .72rem; font-weight: 500;
  color: var(--text2); background: var(--bg2);
  border: 1px solid var(--border2); border-radius: 8px;
  padding: 7px 2px; text-align: center; cursor: pointer;
  transition: all .16s;
}
.pip-chip:hover { color: var(--accent); border-color: var(--accent); }
.pip-chip.on {
  background: var(--accent); border-color: var(--accent);
  color: #fff; font-weight: 700;
}

/* ── Sliders ──────────────────────────────────────────────── */
.pip-slider { display: block; margin-bottom: 14px; }
.pip-slider .pip-lbl { display: flex; justify-content: space-between; margin-bottom: 2px; }
.pip-slider .pip-lbl b { color: var(--text); font-weight: 700; font-variant-numeric: tabular-nums; }
.pip-app input[type=range] {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 4px; border-radius: 3px;
  background: var(--border2); outline: none; margin: 8px 0 0;
}
.pip-app input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--accent); border: 3px solid var(--surface);
  box-shadow: 0 1px 6px rgba(0,0,0,.25); cursor: pointer;
}
.pip-app input[type=range]::-moz-range-thumb {
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--accent); border: 3px solid var(--surface); cursor: pointer;
}

/* ── Checkboxes ───────────────────────────────────────────── */
.pip-check {
  display: flex; align-items: center; gap: 9px; cursor: pointer;
  margin: 9px 0; font-size: .76rem; color: var(--text2);
}
.pip-check input { accent-color: var(--accent); width: 15px; height: 15px; cursor: pointer; }
.pip-check:hover { color: var(--text); }

.pip-hint { font-size: .68rem; line-height: 1.65; color: var(--muted); margin-top: 12px; }
.pip-hint b { color: var(--text2); font-weight: 600; }

/* ── Stage ────────────────────────────────────────────────── */
.pip-stage {
  position: relative; min-width: 0;
  display: flex; flex-direction: column;
  background: var(--bg2);
  background-image: radial-gradient(circle, var(--border) 1px, transparent 1px);
  background-size: 26px 26px;
}
.pip-stage-inner { flex: 1 1 auto; display: flex; flex-direction: column; min-width: 0; padding: 16px 16px 0; }

.pip-canvas-wrap {
  flex: 1 1 auto; min-height: 0; position: relative;
  overflow: hidden; overscroll-behavior: contain;
}
.pip-canvas-wrap canvas {
  display: block; position: absolute; left: 50%; top: 50%;
  transform-origin: 50% 50%;
  border-radius: 3px;
  box-shadow: 0 12px 40px rgba(0,0,0,.28), 0 0 0 1px var(--border2);
  touch-action: none; cursor: grab;
  /* checkerboard lives BEHIND the pixels — never baked into the export */
  background-color: #fff;
  background-image:
    linear-gradient(45deg, #d8d8d8 25%, transparent 25%, transparent 75%, #d8d8d8 75%),
    linear-gradient(45deg, #d8d8d8 25%, transparent 25%, transparent 75%, #d8d8d8 75%);
  background-size: 20px 20px;
  background-position: 0 0, 10px 10px;
}
[data-theme="dark"] .pip-canvas-wrap canvas {
  background-color: #2a2a2a;
  background-image:
    linear-gradient(45deg, #3a3a3a 25%, transparent 25%, transparent 75%, #3a3a3a 75%),
    linear-gradient(45deg, #3a3a3a 25%, transparent 25%, transparent 75%, #3a3a3a 75%);
}
.pip-canvas-wrap canvas.dragging { cursor: grabbing; }
.pip-canvas-wrap canvas.empty-state { opacity: .3; }
.pip-canvas-wrap.panning canvas { cursor: grabbing; }

.pip-empty { position: absolute; inset: 0; display: grid; place-items: center; pointer-events: none; padding: 20px; }
.pip-empty-card { text-align: center; color: var(--muted); max-width: 320px; }
.pip-empty-icon { font-size: 2.6rem; line-height: 1; opacity: .5; }
.pip-empty-card p { margin-top: 8px; font-size: .84rem; }
.pip-empty-card .sub { font-size: .74rem; opacity: .8; }

/* ── Stage bar / view zoom ────────────────────────────────── */
.pip-stagebar {
  flex: 0 0 auto; display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 10px 2px 12px; font-size: .7rem; color: var(--muted);
}
.pip-status {
  flex: 1 1 auto; text-align: right; min-width: 0;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.pip-viewzoom {
  display: flex; align-items: center; gap: 4px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; padding: 3px;
}
.pip-viewzoom .pip-btn { padding: 4px 9px; line-height: 1; }
.pip-viewzoom .pip-vzval { min-width: 56px; font-weight: 700; font-variant-numeric: tabular-nums; }
.pip-sep { width: 1px; height: 16px; background: var(--border2); margin: 0 3px; }

/* shown until the visitor clicks into the editor — see "page citizenship" in tool.js */
.pip-armhint {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 11px; border-radius: 100px;
  background: var(--accent-bg); border: 1px solid var(--accent);
  color: var(--accent); font-size: .68rem; font-weight: 600;
}
.pip-armhint::before { content: '↕'; font-size: .8rem; }
.pip-app.armed .pip-armhint { display: none; }

/* ── Drop veil ────────────────────────────────────────────── */
.pip-dropveil {
  position: absolute; inset: 12px; z-index: 5;
  border: 2px dashed var(--accent); border-radius: 16px;
  background: var(--accent-bg); opacity: .96;
  display: none; place-items: center; pointer-events: none;
  font-size: 1.05rem; font-weight: 700; color: var(--accent);
}
.pip-stage.dragover .pip-dropveil { display: grid; }

/* ── Export bar under the app ─────────────────────────────── */
.pip-exportbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
  margin-top: 18px; padding: 16px 20px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; box-shadow: var(--shadow);
}
.pip-exportbar p { font-size: .8rem; color: var(--text2); margin: 0; }
.pip-exportbar p b { color: var(--text); }
.pip-export-btn {
  font-family: 'Outfit', sans-serif; font-weight: 700; font-size: .92rem;
  background: linear-gradient(135deg, #1d6ef5, #0ea5e9); color: #fff;
  border: none; border-radius: 11px; padding: 14px 30px; cursor: pointer;
  box-shadow: 0 4px 20px rgba(29,110,245,.3); transition: all .2s;
}
.pip-export-btn:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(29,110,245,.45); }
.pip-export-btn:disabled { opacity: .45; cursor: not-allowed; box-shadow: none; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 900px) {
  .pip-app {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(300px, 52vh) auto;
    height: auto; min-height: 0;
  }
  .pip-stage { order: 1; }
  .pip-panel { order: 2; border-right: none; border-top: 1px solid var(--border); max-height: 460px; }
  .pip-btn-grid { grid-template-columns: repeat(4, 1fr); }
}