/* ============================================================
   ToolMahayura - Stylesheet Kustom
   (CSS murni, tidak bergantung pada prosesor Tailwind runtime;
    Tailwind CDN tetap dipakai untuk class utility di HTML)
   ============================================================ */

/* --------------------- Toolbar buttons --------------------- */
.toolbar-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: #334155;                /* slate-700 */
  background-color: #ffffff;
  border: 1px solid #cbd5e1;     /* slate-300 */
  border-radius: 0.5rem;
  padding: 0.375rem 0.75rem;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}
.toolbar-btn:hover {
  background-color: #f8fafc;     /* slate-50 */
  border-color: #94a3b8;         /* slate-400 */
}
.toolbar-btn svg { flex-shrink: 0; }

.toolbar-btn-danger {
  color: #dc2626;                /* red-600 */
  border-color: #fecaca;         /* red-200 */
}
.toolbar-btn-danger:hover {
  background-color: #fef2f2;     /* red-50 */
  border-color: #fca5a5;         /* red-300 */
}

.export-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: #ffffff;
  background-color: #059669;     /* emerald-600 */
  border: 1px solid #059669;
  border-radius: 0.5rem;
  padding: 0.5rem 1rem;
  cursor: pointer;
  user-select: none;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
  transition: background-color 0.15s ease;
}
.export-btn:hover {
  background-color: #047857;     /* emerald-700 */
}
.export-btn svg { flex-shrink: 0; }

/* --------------------- Fit Size toggle --------------------- */
#fitToggleTrack {
  background-color: #cbd5e1;
}
#fitToggle:checked ~ #fitToggleTrack {
  background-color: #4f46e5;     /* indigo-600 */
}
#fitToggle:checked ~ #fitToggleKnob {
  transform: translateX(20px);
}

/* --------------------- Canvas frame ------------------------ */
.canvas-frame {
  border: 1px solid #e2e8f0;
  border-radius: 0.75rem;
  background: repeating-conic-gradient(#f1f5f9 0% 25%, #ffffff 0% 50%) 50% / 20px 20px;
  overflow: hidden;
}

#collageCanvas {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  touch-action: none; /* mencegah scroll halaman saat geser di kanvas */
}

/* --------------------- Grid Picker (MS Word style) --------- */
#gpGrid .gp-cell {
  width: 26px;
  height: 26px;
  background-color: #e2e8f0;     /* slate-200 */
  border: 1px solid #cbd5e1;
  border-radius: 3px;
  cursor: pointer;
  transition: background-color 0.08s ease;
}
#gpGrid .gp-cell:hover {
  background-color: #c7d2fe;     /* indigo-200 */
}
#gpGrid .gp-cell.gp-cell-active {
  background-color: #6366f1;     /* indigo-500 */
  border-color: #4f46e5;
}

/* --------------------- Font toolbar buttons ---------------- */
.font-btn {
  width: 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  color: #334155;
  background-color: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 0.5rem;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.15s ease;
}
.font-btn:hover {
  background-color: #f1f5f9;
}
.font-btn.active {
  background-color: #4f46e5;
  color: #ffffff;
  border-color: #4f46e5;
}

/* --------------------- Alignment buttons ------------------- */
#alignGroup button {
  cursor: pointer;
}
#alignGroup button.active {
  background-color: #eef2ff;     /* indigo-50 */
  color: #4f46e5;
  font-weight: 700;
}

/* --------------------- Toast ------------------------------- */
#toast.show {
  display: block;
  animation: toastIn 0.25s ease;
}
@keyframes toastIn {
  from { opacity: 0; transform: translate(-50%, 8px); }
  to   { opacity: 1; transform: translate(-50%, 0); }
}

/* --------------------- Kecil / responsif ------------------- */
@media (max-width: 640px) {
  .toolbar-btn, .export-btn {
    font-size: 0.8125rem;
    padding-left: 0.625rem;
    padding-right: 0.625rem;
  }
}