/* ═══════════════════════════════════════════════════════════════
   RESONANCE STUDIO — studio-advanced.css
   Advanced panel styles: font picker, filter strip, clipart,
   color palette, alignment tools, object properties, layer drag
   ═══════════════════════════════════════════════════════════════ */

/* ── FONT PICKER PANEL ────────────────────────────────────────── */
.sa-font-panel {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sa-font-search {
  width: 100%;
  padding: 7px 10px;
  background: rgba(255,255,255,.06);
  border: 1px solid var(--sa-border);
  border-radius: 6px;
  color: var(--sa-text);
  font-size: 12px;
  font-family: inherit;
  outline: none;
}
.sa-font-search:focus { border-color: var(--sa-pink); }

.sa-font-category-tabs {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}
.sa-font-cat-btn {
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 10px;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid var(--sa-border);
  background: transparent;
  color: var(--sa-muted);
  font-family: inherit;
  transition: all .15s;
  text-transform: capitalize;
}
.sa-font-cat-btn.active,
.sa-font-cat-btn:hover {
  background: rgba(255,78,205,.15);
  border-color: var(--sa-pink);
  color: var(--sa-pink);
}

.sa-font-list {
  max-height: 220px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,78,205,.3) transparent;
}

.sa-font-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  border-radius: 6px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .12s;
}
.sa-font-item:hover { background: rgba(255,78,205,.08); border-color: rgba(255,78,205,.2); }
.sa-font-item.active { background: rgba(255,78,205,.15); border-color: var(--sa-pink); }
.sa-font-item-name {
  font-size: 13px;
  color: var(--sa-text);
  font-weight: 500;
}
.sa-font-item-preview {
  font-size: 15px;
  color: var(--sa-muted);
  opacity: .7;
}

/* ── TEXT STYLE TOOLBAR ───────────────────────────────────────── */
.sa-text-style-row {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.sa-style-btn {
  width: 30px;
  height: 30px;
  border-radius: 6px;
  border: 1px solid var(--sa-border);
  background: transparent;
  color: var(--sa-text);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .12s;
  font-family: inherit;
}
.sa-style-btn:hover { background: rgba(255,78,205,.1); border-color: var(--sa-pink); color: var(--sa-pink); }
.sa-style-btn.active { background: rgba(255,78,205,.2); border-color: var(--sa-pink); color: var(--sa-pink); }

/* ── TEXT EFFECTS GRID ────────────────────────────────────────── */
.sa-effects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}
.sa-effect-btn {
  padding: 8px 6px;
  border-radius: 8px;
  border: 1px solid var(--sa-border);
  background: rgba(255,255,255,.03);
  color: var(--sa-text);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: all .15s;
  font-family: inherit;
}
.sa-effect-btn:hover { border-color: var(--sa-pink); background: rgba(255,78,205,.1); color: var(--sa-pink); }
.sa-effect-btn .effect-icon { font-size: 16px; display: block; margin-bottom: 3px; }

/* ── FILTER STRIP (Snapchat-style) ────────────────────────────── */
.sa-filter-strip-wrap {
  position: relative;
  overflow: hidden;
}
#filterStrip {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 2px 8px;
  scrollbar-width: none;
  -ms-overflow-style: none;
  scroll-snap-type: x mandatory;
}
#filterStrip::-webkit-scrollbar { display: none; }

.filter-thumb {
  flex-shrink: 0;
  width: 64px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 4px;
  border-radius: 10px;
  border: 1.5px solid var(--sa-border);
  background: rgba(255,255,255,.03);
  cursor: pointer;
  transition: all .15s;
  font-family: inherit;
  scroll-snap-align: start;
}
.filter-thumb:hover,
.filter-thumb.active {
  border-color: var(--sa-pink);
  background: rgba(255,78,205,.12);
}
.filter-emoji { font-size: 22px; line-height: 1; }
.filter-label { font-size: 9px; font-weight: 700; color: var(--sa-muted); text-align: center; white-space: nowrap; }
.filter-thumb:hover .filter-label,
.filter-thumb.active .filter-label { color: var(--sa-pink); }

/* ── CLIPART PANEL ────────────────────────────────────────────── */
.sa-clipart-search {
  width: 100%;
  padding: 7px 10px;
  background: rgba(255,255,255,.06);
  border: 1px solid var(--sa-border);
  border-radius: 6px;
  color: var(--sa-text);
  font-size: 12px;
  font-family: inherit;
  outline: none;
  margin-bottom: 8px;
}
.sa-clipart-search:focus { border-color: var(--sa-pink); }

.sa-clipart-cats {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.sa-clipart-cat-btn {
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 10px;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid var(--sa-border);
  background: transparent;
  color: var(--sa-muted);
  font-family: inherit;
  transition: all .15s;
  text-transform: capitalize;
}
.sa-clipart-cat-btn.active,
.sa-clipart-cat-btn:hover {
  background: rgba(79,220,255,.12);
  border-color: var(--sa-cyan);
  color: var(--sa-cyan);
}

#clipartGrid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  max-height: 240px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,78,205,.3) transparent;
}

.clipart-item {
  aspect-ratio: 1;
  border-radius: 8px;
  border: 1.5px solid var(--sa-border);
  background: rgba(255,255,255,.03);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  transition: all .15s;
  overflow: hidden;
}
.clipart-item:hover { border-color: var(--sa-pink); background: rgba(255,78,205,.1); transform: scale(1.05); }
.clipart-item svg { width: 100%; height: 100%; }
.clipart-loading,
.clipart-empty { grid-column: 1/-1; text-align: center; padding: 20px; font-size: 12px; color: var(--sa-muted); }

/* ── COLOR PALETTE ────────────────────────────────────────────── */
.sa-color-section { margin-bottom: 10px; }
.sa-color-section-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--sa-muted);
  margin-bottom: 6px;
}
.sa-color-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.color-swatch {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  border: 1.5px solid rgba(255,255,255,.15);
  cursor: pointer;
  transition: transform .12s, border-color .12s;
  flex-shrink: 0;
}
.color-swatch:hover { transform: scale(1.15); border-color: #fff; }

.sa-color-target-row {
  display: flex;
  gap: 6px;
  margin-bottom: 10px;
}
.sa-color-target-btn {
  flex: 1;
  padding: 7px;
  border-radius: 7px;
  border: 1.5px solid var(--sa-border);
  background: transparent;
  color: var(--sa-muted);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  transition: all .15s;
}
.sa-color-target-btn.active { border-color: var(--sa-pink); color: var(--sa-pink); background: rgba(255,78,205,.1); }

/* ── ALIGNMENT TOOLS ──────────────────────────────────────────── */
.sa-align-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5px;
  margin-bottom: 8px;
}
.sa-align-btn {
  padding: 8px 4px;
  border-radius: 7px;
  border: 1px solid var(--sa-border);
  background: rgba(255,255,255,.03);
  color: var(--sa-text);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: all .12s;
  font-family: inherit;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
}
.sa-align-btn:hover { border-color: var(--sa-cyan); background: rgba(79,220,255,.08); color: var(--sa-cyan); }
.sa-align-btn .align-icon { font-size: 14px; }

.sa-distribute-row {
  display: flex;
  gap: 6px;
}
.sa-distribute-btn {
  flex: 1;
  padding: 7px;
  border-radius: 7px;
  border: 1px solid var(--sa-border);
  background: rgba(255,255,255,.03);
  color: var(--sa-muted);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: all .12s;
}
.sa-distribute-btn:hover { border-color: var(--sa-cyan); color: var(--sa-cyan); }

/* ── OBJECT PROPERTIES PANEL ──────────────────────────────────── */
.sa-prop-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}
.sa-prop-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--sa-muted);
  white-space: nowrap;
  min-width: 60px;
}
.sa-prop-input {
  flex: 1;
  padding: 5px 8px;
  background: rgba(255,255,255,.06);
  border: 1px solid var(--sa-border);
  border-radius: 5px;
  color: var(--sa-text);
  font-size: 12px;
  font-family: inherit;
  outline: none;
}
.sa-prop-input:focus { border-color: var(--sa-pink); }
.sa-prop-input[type="range"] {
  padding: 0;
  background: transparent;
  border: none;
  accent-color: var(--sa-pink);
  cursor: pointer;
}
.sa-prop-select {
  flex: 1;
  padding: 5px 8px;
  background: rgba(255,255,255,.06);
  border: 1px solid var(--sa-border);
  border-radius: 5px;
  color: var(--sa-text);
  font-size: 12px;
  font-family: inherit;
  outline: none;
  cursor: pointer;
}
.sa-prop-select:focus { border-color: var(--sa-pink); }

.sa-prop-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}
.sa-prop-toggle input[type="checkbox"] {
  width: 14px;
  height: 14px;
  accent-color: var(--sa-pink);
  cursor: pointer;
}

/* ── BLEND MODE DROPDOWN ──────────────────────────────────────── */
.sa-blend-select {
  width: 100%;
  padding: 6px 8px;
  background: rgba(255,255,255,.06);
  border: 1px solid var(--sa-border);
  border-radius: 6px;
  color: var(--sa-text);
  font-size: 12px;
  font-family: inherit;
  outline: none;
  cursor: pointer;
  margin-bottom: 8px;
}
.sa-blend-select:focus { border-color: var(--sa-pink); }

/* ── SHADOW / GLOW CONTROLS ───────────────────────────────────── */
.sa-shadow-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}
.sa-shadow-field label {
  font-size: 10px;
  font-weight: 600;
  color: var(--sa-muted);
  display: block;
  margin-bottom: 3px;
}
.sa-shadow-field input {
  width: 100%;
  padding: 5px 7px;
  background: rgba(255,255,255,.06);
  border: 1px solid var(--sa-border);
  border-radius: 5px;
  color: var(--sa-text);
  font-size: 12px;
  font-family: inherit;
  outline: none;
}
.sa-shadow-field input:focus { border-color: var(--sa-pink); }

/* ── LAYER DRAG-DROP ──────────────────────────────────────────── */
.layer-item {
  cursor: grab;
  user-select: none;
  transition: background .12s, opacity .12s;
}
.layer-item:active { cursor: grabbing; }
.layer-item.layer-dragging { opacity: .4; }
.layer-item.layer-drag-over {
  background: rgba(255,78,205,.12) !important;
  border-color: var(--sa-pink) !important;
}

/* ── SHAPE LIBRARY GRID ───────────────────────────────────────── */
.sa-shape-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  max-height: 220px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,78,205,.3) transparent;
}
.sa-shape-btn {
  aspect-ratio: 1;
  border-radius: 8px;
  border: 1.5px solid var(--sa-border);
  background: rgba(255,255,255,.03);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  padding: 6px 4px;
  transition: all .15s;
  font-family: inherit;
}
.sa-shape-btn:hover { border-color: var(--sa-pink); background: rgba(255,78,205,.1); transform: scale(1.05); }
.sa-shape-btn .shape-icon { font-size: 18px; line-height: 1; }
.sa-shape-btn .shape-label { font-size: 9px; font-weight: 600; color: var(--sa-muted); text-align: center; }
.sa-shape-btn:hover .shape-label { color: var(--sa-pink); }

/* ── BACKGROUND PANEL ─────────────────────────────────────────── */
.sa-bg-type-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 10px;
}
.sa-bg-type-btn {
  flex: 1;
  padding: 6px 4px;
  border-radius: 7px;
  border: 1px solid var(--sa-border);
  background: transparent;
  color: var(--sa-muted);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  transition: all .15s;
  text-align: center;
}
.sa-bg-type-btn.active,
.sa-bg-type-btn:hover {
  border-color: var(--sa-cyan);
  color: var(--sa-cyan);
  background: rgba(79,220,255,.08);
}

.sa-bg-color-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}
.sa-bg-color-swatch {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: 1.5px solid rgba(255,255,255,.15);
  cursor: pointer;
  transition: transform .12s, border-color .12s;
}
.sa-bg-color-swatch:hover { transform: scale(1.15); border-color: #fff; }

.sa-pattern-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}
.sa-pattern-btn {
  padding: 10px 6px;
  border-radius: 8px;
  border: 1.5px solid var(--sa-border);
  background: rgba(255,255,255,.03);
  cursor: pointer;
  font-size: 11px;
  font-weight: 600;
  color: var(--sa-muted);
  text-align: center;
  transition: all .15s;
  font-family: inherit;
}
.sa-pattern-btn:hover { border-color: var(--sa-cyan); color: var(--sa-cyan); background: rgba(79,220,255,.08); }

/* ── KEYBOARD SHORTCUTS PANEL ─────────────────────────────────── */
.sa-shortcuts-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 280px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,78,205,.3) transparent;
}
.sa-shortcut-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 5px 8px;
  border-radius: 6px;
  background: rgba(255,255,255,.02);
}
.sa-shortcut-action {
  font-size: 11px;
  color: var(--sa-text);
  opacity: .7;
}
.sa-shortcut-key {
  display: flex;
  gap: 3px;
}
.sa-shortcut-key kbd {
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  font-size: 10px;
  font-weight: 700;
  color: var(--sa-text);
  font-family: monospace;
}

/* ── EXPORT PANEL ─────────────────────────────────────────────── */
.sa-export-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.sa-export-btn {
  padding: 12px 8px;
  border-radius: 10px;
  border: 1.5px solid var(--sa-border);
  background: rgba(255,255,255,.03);
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
  color: var(--sa-text);
  text-align: center;
  transition: all .15s;
  font-family: inherit;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
}
.sa-export-btn:hover { border-color: var(--sa-pink); background: rgba(255,78,205,.1); color: var(--sa-pink); }
.sa-export-btn.primary {
  grid-column: 1/-1;
  background: var(--sa-grad);
  border-color: transparent;
  color: #000;
  font-size: 13px;
}
.sa-export-btn.primary:hover { opacity: .88; }
.sa-export-icon { font-size: 20px; }

/* ── MOBILE TOUCH HINT ────────────────────────────────────────── */
.sa-touch-hint {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: rgba(79,220,255,.08);
  border: 1px solid rgba(79,220,255,.2);
  border-radius: 8px;
  font-size: 11px;
  color: var(--sa-cyan);
  margin-bottom: 10px;
}
@media (pointer: coarse) {
  .sa-touch-hint { display: flex; }
}

/* ── RESPONSIVE ADJUSTMENTS ───────────────────────────────────── */
@media (max-width: 768px) {
  #filterStrip { gap: 6px; }
  .filter-thumb { width: 56px; }
  .sa-shape-grid,
  #clipartGrid { grid-template-columns: repeat(3, 1fr); }
  .sa-effects-grid { grid-template-columns: repeat(2, 1fr); }
  .sa-export-grid { grid-template-columns: 1fr; }
  .sa-export-btn.primary { grid-column: auto; }
}