/* ============================================================
   ColorCube — PNG to ICO converter page styles
   ============================================================ */

/* ── Drop zone ───────────────────────────────────────────────── */
.ico-dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-l);
  padding: 2.5rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--trans), background var(--trans);
  background: var(--surface);
  position: relative;
}
.ico-dropzone.over {
  border-color: var(--accent-b);
  background: var(--surface2);
}
.ico-dropzone input[type=file] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}
.ico-drop-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  line-height: 1;
}
.ico-drop-label {
  font-size: 0.95rem;
  color: var(--text);
  font-weight: 500;
  margin-bottom: 0.25rem;
}
.ico-drop-hint {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ── Layout ──────────────────────────────────────────────────── */
.ico-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 1.25rem;
  margin-top: 1.5rem;
  align-items: start;
}
@media (max-width: 680px) {
  .ico-layout { grid-template-columns: 1fr; }
}

/* ── Controls panel ──────────────────────────────────────────── */
.ico-panel {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.ico-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem;
  transition: background var(--trans), border-color var(--trans);
}
.ico-block-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
}

/* ── Size checkboxes ─────────────────────────────────────────── */
.ico-sizes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.ico-size-pill {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 0.2rem 0.6rem;
  cursor: pointer;
  transition: border-color var(--trans), background var(--trans);
  user-select: none;
}
.ico-size-pill:hover { border-color: var(--text-muted); }
.ico-size-pill input[type=checkbox] { display: none; }
.ico-size-pill.checked {
  border-color: var(--accent-b);
  background: var(--surface);
}
.ico-size-pill span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}
.ico-size-pill.checked span { color: var(--white); }

/* ── Fit mode buttons ────────────────────────────────────────── */
.ico-fit-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.ico-fit-btn {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  padding: 0.5rem 0.65rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  text-align: left;
  transition: border-color var(--trans), background var(--trans);
}
.ico-fit-btn:hover { border-color: var(--text-muted); }
.ico-fit-btn.active {
  border-color: var(--accent-b);
  background: var(--surface);
}
.ico-fit-btn .fit-name {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--white);
  font-weight: 500;
}
.ico-fit-btn .fit-desc {
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* ── Preview area ────────────────────────────────────────────── */
.ico-preview-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
  padding: 1rem;
  transition: background var(--trans), border-color var(--trans);
}
.ico-preview-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}
.ico-previews {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: flex-end;
}
.ico-preview-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
}
.ico-preview-item canvas {
  /* Checkerboard background to show transparency */
  background-image:
    linear-gradient(45deg, #ccc 25%, transparent 25%),
    linear-gradient(-45deg, #ccc 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #ccc 75%),
    linear-gradient(-45deg, transparent 75%, #ccc 75%);
  background-size: 8px 8px;
  background-position: 0 0, 0 4px, 4px -4px, -4px 0px;
  border: 1px solid var(--border);
  border-radius: 3px;
  image-rendering: pixelated;
}
[data-theme="dark"] .ico-preview-item canvas {
  background-image:
    linear-gradient(45deg, #333 25%, transparent 25%),
    linear-gradient(-45deg, #333 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #333 75%),
    linear-gradient(-45deg, transparent 75%, #333 75%);
}
.ico-preview-size {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
}

/* ── Convert button ──────────────────────────────────────────── */
.ico-convert-btn {
  width: 100%;
  padding: 0.65rem 1rem;
  background: var(--accent-b);
  border: none;
  border-radius: var(--radius);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: opacity var(--trans);
}
.ico-convert-btn:hover   { opacity: 0.85; }
.ico-convert-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ── Status ──────────────────────────────────────────────────── */
.ico-status {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  min-height: 1.2rem;
  text-align: center;
}
.ico-status.error { color: var(--accent-r); }