/* DasuMae Frame — styles. Zero dependencies, no external fonts. */
:root {
  --bg: #0e1016;
  --panel: #171a22;
  --panel-2: #1f232e;
  --line: #2a2f3b;
  --text: #e9ebf2;
  --muted: #9aa2b4;
  --accent: #5b7cff;
  --accent-ink: #fff;
  --radius: 12px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: baseline; gap: 10px; }
.brand-name { font-weight: 800; font-size: 18px; letter-spacing: .2px; }
.brand-desc { color: var(--muted); font-size: 13px; }
.lang-toggle {
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 6px 14px; font-size: 13px; cursor: pointer;
}
.lang-toggle:hover { border-color: var(--accent); }

.tagline { margin: 14px 20px 0; color: var(--muted); font-size: 15px; }

.layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 20px;
  padding: 18px 20px 28px;
  align-items: start;
}
@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
}

/* Stage */
.stage {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-height: 360px;
  display: flex; align-items: center; justify-content: center;
  padding: 18px;
  position: relative;
}
.dropzone {
  width: 100%; min-height: 320px;
  border: 2px dashed var(--line); border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  transition: border-color .15s, background .15s;
}
.dropzone.drag { border-color: var(--accent); background: rgba(91,124,255,.08); }
.dz-inner { text-align: center; padding: 24px; }
.dz-title { font-size: 18px; font-weight: 700; }
.dz-hint { color: var(--muted); margin-top: 6px; font-size: 14px; }
.dz-accepts { color: var(--muted); margin-top: 12px; font-size: 12px; }

.canvas-wrap { width: 100%; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.preview {
  max-width: 100%;
  max-height: 72vh;
  border-radius: 6px;
  touch-action: none;
  cursor: grab;
}
.preview:active { cursor: grabbing; }

/* Images bar (thumbnails + add + replace note) */
.images-bar { width: 100%; display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.image-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--panel-2); border: 1px solid var(--line);
  border-radius: 10px; padding: 5px 8px 5px 5px; cursor: pointer;
}
.chip:hover { border-color: var(--accent); }
.chip.is-sel { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(91,124,255,.35); }
.chip-thumb { width: 44px; height: 44px; border-radius: 6px; display: block; background: #1f232e; }
.chip-label { font-size: 13px; color: var(--muted); }
.chip.is-sel .chip-label { color: var(--text); }
.chip-x {
  width: 22px; height: 22px; border-radius: 50%;
  border: 1px solid var(--line); background: var(--panel);
  color: var(--muted); font-size: 15px; line-height: 1; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; padding: 0;
}
.chip-x:hover { border-color: #f0836b; color: #f0836b; }
.btn.add-image { padding: 8px 12px; font-size: 13px; }
.replace-note { width: 100%; margin: 0; }

/* Checkerboard behind a transparent export so alpha reads clearly */
.checker {
  background-image:
    linear-gradient(45deg, #2a2f3b 25%, transparent 25%),
    linear-gradient(-45deg, #2a2f3b 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #2a2f3b 75%),
    linear-gradient(-45deg, transparent 75%, #2a2f3b 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0;
  background-color: #1a1d25;
}

/* Controls */
.controls { display: flex; flex-direction: column; gap: 14px; }
.group {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 12px 14px 14px; margin: 0;
  background: var(--panel);
}
.group legend { padding: 0 6px; font-size: 12px; text-transform: uppercase; letter-spacing: .7px; color: var(--muted); }

.seg { display: flex; flex-wrap: wrap; gap: 6px; }
.seg-btn {
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--line); border-radius: 8px;
  padding: 7px 11px; font-size: 13px; cursor: pointer;
}
.seg-btn:hover { border-color: var(--accent); }
.seg-btn.is-on { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

.swatch-label { font-size: 12px; color: var(--muted); margin: 10px 0 6px; }
.swatches { display: grid; grid-template-columns: repeat(8, 1fr); gap: 6px; }
.swatch {
  aspect-ratio: 1; border-radius: 7px; border: 2px solid transparent;
  cursor: pointer; padding: 0;
}
.swatch.is-on { border-color: #fff; box-shadow: 0 0 0 2px var(--accent); }

.bg-extra { display: flex; align-items: center; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.custom-color { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); cursor: pointer; }
.custom-color input[type=color] { width: 34px; height: 26px; border: none; background: none; padding: 0; cursor: pointer; }
.transparent-btn.is-on { background: var(--accent); border-color: var(--accent); color: #fff; }

.slider { display: grid; grid-template-columns: 110px 1fr; align-items: center; gap: 10px; margin: 8px 0; font-size: 13px; }
.slider span { color: var(--muted); }
.slider input[type=range] { width: 100%; accent-color: var(--accent); }
.hint { color: var(--muted); font-size: 12px; margin: 6px 0 0; }

.toggle { display: inline-flex; align-items: center; gap: 8px; margin-top: 12px; font-size: 14px; cursor: pointer; }
.toggle input { accent-color: var(--accent); width: 16px; height: 16px; }

.actions { display: flex; gap: 10px; }
.btn {
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--line); border-radius: 9px;
  padding: 10px 14px; font-size: 14px; cursor: pointer; font-weight: 600;
}
.btn:hover:not(:disabled) { border-color: var(--accent); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); flex: 1; }
.chooseBtn, #chooseBtn { margin-top: 14px; }

.status { min-height: 18px; font-size: 13px; color: var(--muted); margin: 4px 0 0; }
.status.ok { color: #4fd59b; }
.status.err { color: #f0836b; }

.footer { padding: 6px 20px 34px; color: var(--muted); font-size: 13px; max-width: 760px; }
.honesty a { color: var(--accent); text-decoration: none; }
.honesty a:hover { text-decoration: underline; }
.on-device { margin-top: 6px; font-size: 12px; opacity: .8; }