/* =============================================
   Malla_SV — Componentes UI
   ============================================= */

/* ── Botones ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 6px; padding: 8px 16px; border: none; border-radius: var(--border-radius);
  font-size: 13px; font-weight: 500; font-family: inherit;
  cursor: pointer; transition: all var(--transition-fast);
  white-space: nowrap; line-height: 1;
}
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--primary-dark); }

.btn-secondary { background: var(--bg-input); color: var(--text-primary); }
.btn-secondary:hover:not(:disabled) { background: var(--bg-hover); }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover:not(:disabled) { background: #c0392b; }

.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-lg { padding: 10px 20px; font-size: 14px; }

.btn-icon {
  width: 36px; height: 36px; padding: 0;
  background: transparent; border: none;
  border-radius: var(--border-radius);
  color: var(--text-secondary); cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  transition: all var(--transition-fast); font-size: 15px;
}
.btn-icon:hover { background: var(--bg-hover); color: var(--primary); }
.btn-icon.active { background: var(--primary); color: #fff; }
.btn-icon:disabled { opacity: 0.4; cursor: not-allowed; }

/* ── Toolbar Buttons ── */
.toolbar-btn {
  width: 34px; height: 34px;
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent; border: none; border-radius: var(--border-radius);
  color: var(--text-secondary); cursor: pointer; font-size: 14px;
  transition: all var(--transition-fast); position: relative; flex-shrink: 0;
}
.toolbar-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.toolbar-btn.active { background: var(--primary); color: #fff; }
.toolbar-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.toolbar-btn[title]:hover::after {
  content: attr(title);
  position: absolute;
  top: calc(100% + 6px);
  left: 50%; transform: translateX(-50%);
  background: var(--bg-dark);
  color: var(--text-primary);
  font-size: 11px; font-family: 'Roboto', sans-serif;
  padding: 4px 8px; border-radius: 4px;
  border: 1px solid var(--border-color);
  white-space: nowrap; z-index: 200;
  pointer-events: none;
  box-shadow: var(--shadow-md);
}

/* ── Inputs ── */
.input-field {
  width: 100%; padding: 7px 10px;
  background: var(--bg-input); border: 1px solid var(--border-color);
  border-radius: var(--border-radius); color: var(--text-primary);
  font-size: 13px; font-family: inherit; outline: none;
  transition: border-color var(--transition-fast);
}
.input-field:focus { border-color: var(--primary); }
.input-field:read-only { opacity: 0.6; cursor: default; }

/* ── Number Input — spinners custom SV ── */
input[type="number"].input-field {
  font-family: 'Consolas', monospace;
  padding-right: 18px;   /* espacio para los spinners */
  -moz-appearance: textfield; /* Firefox: oculta spinners nativos */
}
/* Ocultar spinners nativos webkit y reemplazarlos con pseudo-elementos */
input[type="number"].input-field::-webkit-outer-spin-button,
input[type="number"].input-field::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Wrapper para number input con spinners custom */
.num-input-wrap {
  position: relative;
  display: flex;
  flex: 1;
}
.num-input-wrap input[type="number"] {
  width: 100%;
  padding-right: 16px;
}
.num-input-wrap .spin-btns {
  position: absolute;
  right: 0;
  top: 0; bottom: 0;
  width: 16px;
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--border-color);
  overflow: hidden;
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
}
.num-input-wrap .spin-btn {
  flex: 1;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-hover);
  color: var(--text-muted);
  cursor: pointer;
  font-size: 7px;
  line-height: 1;
  user-select: none;
  border: none;
  padding: 0;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.num-input-wrap .spin-btn:hover {
  background: var(--primary);
  color: #fff;
}
.num-input-wrap .spin-btn + .spin-btn {
  border-top: 1px solid var(--border-color);
}

.input-row {
  display: flex; align-items: center; gap: 8px; margin-bottom: 8px;
}
.input-row label { font-size: 12px; color: var(--text-secondary); min-width: 24px; }
.input-row .input-field { flex: 1; }

.xyz-row {
  display: grid; grid-template-columns: 14px 1fr 14px 1fr 14px 1fr;
  align-items: center; gap: 3px; margin-bottom: 4px;
}
.xyz-row .num-input-wrap { min-width: 0; }
/* Compact inputs for transform panel */
.xyz-row .input-field {
  padding: 3px 6px; font-size: 11px;
}
.xyz-row .spin-btns { width: 13px; }
.xyz-row .spin-btn { font-size: 6px; }
.xyz-row .axis-label { font-size: 11px; font-weight: 600; text-align: center; }
.xyz-label-x { color: #E74C3C; }
.xyz-label-y { color: #2ECC71; }
.xyz-label-z { color: #3498DB; }

/* ── Range Sliders ── */
.slider-row {
  display: flex; align-items: center; gap: 8px; margin-bottom: 8px;
}
.slider-row label { font-size: 12px; color: var(--text-secondary); min-width: 80px; }
.slider-row .slider-value { font-size: 11px; color: var(--text-muted); min-width: 32px; text-align: right; font-family: 'Consolas', monospace; }

input[type="range"] {
  flex: 1; height: 6px; -webkit-appearance: none; appearance: none;
  background: var(--bg-input); border-radius: 3px; cursor: pointer;
  outline: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--primary); border: 2px solid white;
  box-shadow: var(--shadow-sm); cursor: pointer;
  transition: transform var(--transition-fast);
}
input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.1); }

/* ── Color Picker ── */
.color-row {
  display: flex; align-items: center; gap: 8px; margin-bottom: 8px;
}
.color-row label { font-size: 12px; color: var(--text-secondary); flex: 1; }
input[type="color"] {
  width: 36px; height: 28px; padding: 2px; border: 1px solid var(--border-color);
  border-radius: var(--border-radius); background: var(--bg-input);
  cursor: pointer; outline: none;
}
input[type="color"]::-webkit-color-swatch-wrapper { padding: 2px; }
input[type="color"]::-webkit-color-swatch { border: none; border-radius: 3px; }

/* ── Toggle / Checkbox ── */
.toggle-row {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 8px;
}
.toggle-row label { font-size: 12px; color: var(--text-secondary); cursor: pointer; }

.toggle-switch {
  position: relative; width: 36px; height: 20px;
  display: inline-block;
}
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute; cursor: pointer; inset: 0;
  background: var(--bg-input); border-radius: 10px;
  transition: background var(--transition-fast);
  border: 1px solid var(--border-color);
}
.toggle-slider::before {
  content: ''; position: absolute;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--text-muted); left: 2px; top: 2px;
  transition: all var(--transition-fast);
}
.toggle-switch input:checked + .toggle-slider { background: var(--primary); border-color: var(--primary); }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(16px); background: white; }

/* ── Select ── */
.select-field {
  width: 100%; padding: 7px 10px;
  background: var(--bg-input); border: 1px solid var(--border-color);
  border-radius: var(--border-radius); color: var(--text-primary);
  font-size: 13px; font-family: inherit; outline: none; cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2378909C' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px;
  transition: border-color var(--transition-fast);
}
.select-field:focus { border-color: var(--primary); }

/* ── Segmented Control ── */
.segmented {
  display: flex; background: var(--bg-input);
  border-radius: var(--border-radius); padding: 2px; gap: 2px;
}
.segmented-btn {
  flex: 1; padding: 5px 8px; border: none; background: transparent;
  color: var(--text-secondary); font-size: 12px; font-family: inherit;
  border-radius: 4px; cursor: pointer; transition: all var(--transition-fast);
  text-align: center; white-space: nowrap;
}
.segmented-btn:hover { color: var(--text-primary); background: var(--bg-hover); }
.segmented-btn.active { background: var(--primary); color: white; }

/* ── File Upload Zone ── */
.upload-zone {
  background: var(--bg-input);
  border: 2px dashed var(--border-color);
  border-radius: var(--border-radius);
  padding: 20px 12px; text-align: center;
  cursor: pointer; transition: all var(--transition-fast);
}
.upload-zone:hover, .upload-zone.dragover {
  border-color: var(--primary);
  background: rgba(250, 92, 0, 0.08);
}
.upload-zone i { font-size: 28px; color: var(--primary); display: block; margin-bottom: 8px; }
.upload-zone p { font-size: 12px; color: var(--text-secondary); margin-bottom: 4px; }
.upload-zone small { font-size: 11px; color: var(--text-muted); }

/* ── Scenegraph Tree ── */
.scene-tree { padding: 4px 0; }
.tree-item {
  display: flex; align-items: center; gap: 6px;
  padding: 5px 8px 5px 12px; cursor: pointer;
  border-radius: 4px; margin: 1px 4px;
  transition: all var(--transition-fast); font-size: 12px;
  position: relative;
}
.tree-item:hover { background: var(--bg-hover); }
.tree-item.selected { background: rgba(250, 92, 0, 0.2); color: var(--primary); }
.tree-item .item-icon { font-size: 12px; color: var(--text-muted); width: 14px; }
.tree-item.selected .item-icon { color: var(--primary); }
.tree-item .item-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tree-item .item-vis {
  font-size: 11px; color: var(--text-muted); opacity: 0;
  transition: opacity var(--transition-fast);
}
.tree-item:hover .item-vis { opacity: 1; }
.tree-item.hidden .item-vis { opacity: 1; color: var(--text-muted); }
.tree-empty { padding: 12px; text-align: center; color: var(--text-muted); font-size: 12px; }

/* ── Tree hierarchy lines ── */
.tree-item {
  position: relative;
}
/* Selected multi */
.tree-item.multi-selected {
  background: rgba(250, 92, 0, 0.12);
  color: var(--primary);
}
.tree-item.multi-selected .item-icon { color: var(--primary); }

/* ── Light Item ── */
.light-item {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 8px; background: var(--bg-input);
  border-radius: var(--border-radius); margin-bottom: 6px;
  cursor: pointer; transition: background var(--transition-fast);
  border: 1px solid transparent;
}
.light-item:hover { background: var(--bg-hover); }
.light-item.selected { border-color: var(--primary); }
.light-item .light-icon { font-size: 14px; }
.light-item .light-name { flex: 1; font-size: 12px; color: var(--text-secondary); }
.light-item .light-del { font-size: 11px; color: var(--text-muted); cursor: pointer; padding: 2px; }
.light-item .light-del:hover { color: var(--danger); }

/* ── Annotation Item ── */
.annotation-item {
  display: flex; align-items: center; gap: 8px;
  padding: 5px 8px; background: var(--bg-input);
  border-radius: var(--border-radius); margin-bottom: 4px;
  font-size: 12px;
}
.annotation-item .ann-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--primary); flex-shrink: 0; }
.annotation-item .ann-text { flex: 1; color: var(--text-secondary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.annotation-item .ann-del { color: var(--text-muted); cursor: pointer; font-size: 11px; padding: 2px; }
.annotation-item .ann-del:hover { color: var(--danger); }

/* ── Measure Item ── */
.measure-item {
  display: flex; align-items: center; gap: 8px;
  padding: 5px 8px; background: var(--bg-input);
  border-radius: var(--border-radius); margin-bottom: 4px;
  font-size: 12px;
}
.measure-item i { color: var(--info); font-size: 11px; }
.measure-item .mea-val { flex: 1; color: var(--text-primary); font-family: 'Consolas', monospace; }
.measure-item .mea-del { color: var(--text-muted); cursor: pointer; font-size: 11px; padding: 2px; }
.measure-item .mea-del:hover { color: var(--danger); }

/* ── Camera Preset Buttons ── */
.cam-presets { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 4px; }
.cam-btn {
  padding: 6px 4px; background: var(--bg-input); border: 1px solid var(--border-color);
  border-radius: var(--border-radius); color: var(--text-secondary);
  font-size: 11px; font-family: inherit; cursor: pointer; text-align: center;
  transition: all var(--transition-fast);
}
.cam-btn:hover { background: var(--bg-hover); color: var(--primary); border-color: var(--primary); }

/* ── Toasts ── */
#toast-container {
  position: fixed; bottom: 20px; right: 20px;
  z-index: 2000; display: flex; flex-direction: column;
  gap: 8px; pointer-events: none;
}

.toast {
  background: var(--bg-panel);
  border-left: 4px solid var(--primary);
  border-radius: var(--border-radius);
  padding: 10px 14px; min-width: 260px; max-width: 380px;
  box-shadow: var(--shadow-lg);
  display: flex; align-items: flex-start; gap: 10px;
  animation: slideIn 0.3s ease forwards;
  pointer-events: all;
}
.toast.success { border-color: var(--success); }
.toast.warning { border-color: var(--warning); }
.toast.error   { border-color: var(--danger); }
.toast.info    { border-color: var(--info); }
.toast-icon { font-size: 16px; margin-top: 1px; flex-shrink: 0; }
.toast.success .toast-icon { color: var(--success); }
.toast.warning .toast-icon { color: var(--warning); }
.toast.error   .toast-icon { color: var(--danger); }
.toast.info    .toast-icon { color: var(--info); }
.toast-body { flex: 1; }
.toast-title { font-size: 13px; font-weight: 500; color: var(--text-primary); margin-bottom: 2px; }
.toast-msg { font-size: 12px; color: var(--text-secondary); }
.toast-close { color: var(--text-muted); cursor: pointer; font-size: 12px; padding: 2px; margin-left: 4px; }
.toast-close:hover { color: var(--text-primary); }
.toast.removing { animation: slideOut 0.2s ease forwards; }

@keyframes slideIn { from { opacity:0; transform:translateX(50px); } to { opacity:1; transform:translateX(0); } }
@keyframes slideOut { from { opacity:1; transform:translateX(0); } to { opacity:0; transform:translateX(50px); } }

/* ── Modals ── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.8); z-index: 1000;
  display: flex; align-items: center; justify-content: center;
  animation: fadeIn 0.2s ease;
}
.modal-overlay.hidden { display: none; }

.modal-box {
  background: var(--bg-panel);
  border-radius: 12px; box-shadow: var(--shadow-lg);
  max-width: 90vw; max-height: 90vh;
  display: flex; flex-direction: column;
  animation: slideUp 0.3s ease;
  min-width: 320px;
}
.modal-header {
  padding: 14px 20px; background: var(--bg-dark);
  border-bottom: 1px solid var(--border-color);
  border-radius: 12px 12px 0 0;
  display: flex; align-items: center; gap: 10px;
}
.modal-header i { color: var(--primary); font-size: 16px; }
.modal-header h3 { flex: 1; font-size: 15px; font-weight: 600; color: var(--text-primary); }
.modal-close { color: var(--text-muted); cursor: pointer; font-size: 16px; padding: 4px; border-radius: 4px; transition: all var(--transition-fast); border: none; background: transparent; }
.modal-close:hover { color: var(--primary); background: var(--bg-hover); }
.modal-body { padding: 20px; overflow-y: auto; flex: 1; }
.modal-footer {
  padding: 12px 20px; background: var(--bg-dark);
  border-top: 1px solid var(--border-color);
  border-radius: 0 0 12px 12px;
  display: flex; justify-content: flex-end; gap: 8px;
}

@keyframes fadeIn { from { opacity:0; } to { opacity:1; } }
@keyframes slideUp { from { opacity:0; transform:translateY(20px); } to { opacity:1; transform:translateY(0); } }

/* ── Progress / Loading ── */
.loading-spinner {
  display: inline-block; width: 20px; height: 20px;
  border: 2px solid var(--border-color);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Kbd tags ── */
kbd {
  display: inline-block; padding: 1px 5px;
  background: var(--bg-input); border: 1px solid var(--border-color);
  border-radius: 4px; font-size: 11px; font-family: 'Consolas', monospace;
  color: var(--text-secondary);
}

/* ── Boolean Op Buttons ── */
.bool-ops { display: flex; gap: 6px; margin-top: 8px; }
.bool-btn {
  flex: 1; padding: 8px 6px; background: var(--bg-input);
  border: 2px solid var(--border-color); border-radius: var(--border-radius);
  color: var(--text-secondary); font-size: 11px; font-family: inherit;
  cursor: pointer; text-align: center; transition: all var(--transition-fast);
}
.bool-btn:hover { border-color: var(--primary); color: var(--primary); }
.bool-btn i { display: block; font-size: 18px; margin-bottom: 4px; }

/* ── Plane cut controls ── */
.plane-side-toggle {
  display: flex; gap: 6px; margin-top: 8px;
}
.side-btn {
  flex: 1; padding: 7px; background: var(--bg-input);
  border: 2px solid var(--border-color); border-radius: var(--border-radius);
  color: var(--text-secondary); font-size: 12px; cursor: pointer;
  text-align: center; transition: all var(--transition-fast);
}
.side-btn.active { border-color: var(--primary); color: var(--primary); background: rgba(250,92,0,0.1); }

/* ── Info rows ── */
.info-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 4px 0; border-bottom: 1px solid rgba(69,90,100,0.3);
  font-size: 12px;
}
.info-row:last-child { border-bottom: none; }
.info-row label { color: var(--text-muted); }
.info-row span { color: var(--text-primary); font-family: 'Consolas', monospace; font-size: 11px; }

/* ── Annotation Label (CSS2D) ── */
.annotation-label {
  background: rgba(38, 50, 56, 0.92);
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--primary);
  border-radius: var(--border-radius);
  padding: 4px 8px;
  font-size: 12px;
  color: var(--text-primary);
  pointer-events: all;
  cursor: move;
  user-select: none;
  min-width: 60px;
  max-width: 200px;
  white-space: nowrap;
  box-shadow: var(--shadow-md);
}
.annotation-label.editing { border-color: var(--primary); outline: none; background: var(--bg-input); }

/* ── Measure dot ── */
.measure-label {
  background: rgba(52, 152, 219, 0.9);
  color: white; font-size: 11px;
  padding: 2px 7px; border-radius: 10px;
  font-family: 'Consolas', monospace;
  pointer-events: none;
  box-shadow: var(--shadow-sm);
}

/* ── Export format rows ── */
.export-format-row {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; background: var(--bg-input);
  border: 1px solid var(--border-color); border-radius: var(--border-radius);
  cursor: pointer; transition: border-color var(--transition-fast);
}
.export-format-row:hover { border-color: var(--primary); }
.export-format-row input[type="checkbox"] { flex-shrink: 0; accent-color: var(--primary); width: 14px; height: 14px; cursor: pointer; }
.export-fmt-info { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.export-fmt-name { font-size: 13px; font-weight: 600; color: var(--text-primary); display: flex; align-items: center; gap: 6px; }
.export-fmt-desc { font-size: 11px; color: var(--text-muted); }
.export-fmt-tag { font-size: 10px; background: rgba(250,92,0,0.2); color: var(--primary); padding: 2px 6px; border-radius: 10px; white-space: nowrap; font-weight: 600; }

/* ── Tree item actions ── */
.tree-item-actions { display: flex; gap: 2px; opacity: 0; transition: opacity var(--transition-fast); }
.tree-item:hover .tree-item-actions { opacity: 1; }
.tree-action-btn {
  width: 20px; height: 20px; display: flex; align-items: center; justify-content: center;
  background: transparent; border: none; border-radius: 3px;
  color: var(--text-muted); cursor: pointer; font-size: 10px;
  transition: all var(--transition-fast);
}
.tree-action-btn:hover { background: var(--bg-hover); }
.tree-action-btn.del:hover { color: var(--danger); }
.tree-action-btn.exp:hover { color: var(--primary); }

/* ── Camera view toolbar buttons ── */
.cam-view-btn { font-size: 9px !important; }
.cam-view-label {
  font-size: 9px; font-weight: 700; font-family: 'Roboto', sans-serif;
  letter-spacing: 0.3px; line-height: 1;
  color: inherit;
}

/* ── Background color widget in toolbar ── */
.bg-color-wrap {
  position: relative;
  width: 34px; height: 34px;
  flex-shrink: 0;
  cursor: pointer;
}
.bg-color-wrap input[type="color"] {
  width: 100%; height: 100%;
  padding: 4px; border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--bg-input);
  cursor: pointer; outline: none;
}
.bg-color-wrap input[type="color"]::-webkit-color-swatch-wrapper { padding: 2px; }
.bg-color-wrap input[type="color"]::-webkit-color-swatch { border: none; border-radius: 3px; }

/* Presets dropdown on hover */
.bg-presets-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 50%; transform: translateX(-50%);
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 6px;
  gap: 5px;
  display: flex;
  flex-wrap: wrap;
  width: 84px;
  box-shadow: var(--shadow-md);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}
.bg-color-wrap:hover .bg-presets-dropdown {
  opacity: 1;
  pointer-events: all;
}
.bg-preset-btn {
  width: 20px; height: 20px;
  border-radius: 4px;
  border: 1px solid rgba(255,255,255,0.1);
  cursor: pointer;
  padding: 0;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}
.bg-preset-btn:hover {
  transform: scale(1.2);
  border-color: var(--primary);
}