/* ============================================================
   DESIGN2CLOTHES — Global Stylesheet
   Based on design2clothes.pen design system
   Stack: Bootstrap 5 + Font Awesome 6 + Custom
   ============================================================ */

/* ------------------------------------------------------------
   1. GOOGLE FONTS
   ------------------------------------------------------------ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ------------------------------------------------------------
   2. DESIGN TOKENS — CSS Custom Properties
   ------------------------------------------------------------ */
:root {
  /* --- Background Colors --- */
  --clr-bg-root:        #121212;   /* page background */
  --clr-bg-panel:       #1B1B1B;   /* main panels / cards */
  --clr-bg-panel-alt:   #171717;   /* center canvas panel */
  --clr-bg-subpanel:    #242424;   /* inner sub-panels (model, garment...) */
  --clr-bg-input:       #1A1A1A;   /* inputs, selects, textareas */
  --clr-bg-item:        #202020;   /* list items / dropdown rows */
  --clr-bg-item-alt:    #262626;   /* inactive tabs */
  --clr-bg-edit:        #2A2A2A;   /* small icon buttons */
  --clr-bg-dark-btn:    #242424;   /* secondary dark buttons */
  --clr-bg-viewport:    #101010;   /* canvas viewport */

  /* --- Border / Stroke Colors --- */
  --clr-border:         #2C2C2C;   /* outer panel borders */
  --clr-border-input:   #363636;   /* input/select borders */
  --clr-border-btn:     #3A3A3A;   /* secondary btn borders */
  --clr-border-upload:  #393939;   /* upload zone border */

  /* --- Accent Colors --- */
  --clr-accent-orange:  #FF6A00;   /* primary CTA / apply btn */
  --clr-accent-purple:  #6F2CFF;   /* active tabs / generate btn */

  /* --- Text Colors --- */
  --clr-text-primary:   #F2F2F2;   /* headings / brand */
  --clr-text-secondary: #B8B8B8;   /* labels, descriptions */
  --clr-text-muted:     #8E8E8E;   /* placeholder text */
  --clr-text-dim:       #AFAFAF;   /* subtle labels */
  --clr-text-soft:      #D8D8D8;   /* asset names */
  --clr-text-tag:       #A0A0A0;   /* file type badges */
  --clr-text-on-dark:   #D9D9D9;   /* on dark buttons */
  --clr-text-on-orange: #121212;   /* text on orange buttons */
  --clr-text-on-purple: #F7F2FF;   /* text on purple buttons */

  /* --- Radius --- */
  --radius-xs:    8px;
  --radius-sm:    10px;
  --radius-md:    12px;
  --radius-lg:    14px;
  --radius-xl:    18px;
  --radius-xxl:   22px;
  --radius-pill:  9999px;

  /* --- Spacing Base --- */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;

  /* --- Typography --- */
  --font-base:      'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --fs-xs:    11px;
  --fs-sm:    12px;
  --fs-md:    13px;
  --fs-base:  14px;
  --fs-lg:    16px;
  --fs-xl:    20px;
  --fs-2xl:   24px;
  --fs-3xl:   30px;
  --fs-4xl:   34px;

  /* --- Transitions --- */
  --transition-fast:  150ms ease;
  --transition-base:  250ms ease;
  --transition-slow:  400ms ease;
}

/* ------------------------------------------------------------
   3. RESET & BASE
   ------------------------------------------------------------ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-base);
  font-size: var(--fs-base);
  font-weight: 500;
  color: var(--clr-text-primary);
  background-color: var(--clr-bg-root);
  line-height: 1.5;
  min-height: 100vh;
}

a {
  color: var(--clr-accent-orange);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: #ff8533; }

::selection {
  background: rgba(111, 44, 255, 0.35);
  color: var(--clr-text-primary);
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--clr-bg-panel); }
::-webkit-scrollbar-thumb { background: #3A3A3A; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #555; }

/* ------------------------------------------------------------
   4. LAYOUT — App Shell
   ------------------------------------------------------------ */
.app-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding: var(--sp-6);
  gap: var(--sp-5);
}

/* --- Topbar / Header --- */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 var(--sp-1);
  flex-shrink: 0;
}

.app-brand {
  font-size: var(--fs-4xl);
  font-weight: 700;
  color: var(--clr-text-primary);
  letter-spacing: -0.5px;
  line-height: 1;
}

/* --- Dashboard Row --- */
.dash-row {
  display: flex;
  gap: var(--sp-4);
  height: 180px;
}

/* --- Canvas Shell (3-column) --- */
.canvas-shell {
  display: flex;
  gap: var(--sp-4);
  flex: 1;
}

.canvas-left   { width: 290px; flex-shrink: 0; }
.canvas-center { flex: 1; min-width: 0; }
.canvas-right  { width: 340px; flex-shrink: 0; }

/* --- Footer --- */
.app-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-3) var(--sp-4);
  font-size: var(--fs-xs);
  color: var(--clr-text-muted);
  border-top: 1px solid var(--clr-border);
  flex-shrink: 0;
}

.app-footer a {
  color: var(--clr-text-dim);
}

/* ------------------------------------------------------------
   5. PANEL / CARD
   ------------------------------------------------------------ */
.panel {
  background: var(--clr-bg-panel);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.panel--alt {
  background: var(--clr-bg-panel-alt);
}

.panel--dark {
  background: var(--clr-bg-root);
  border-color: transparent;
}

/* Sub-panel (inner card inside left/right) */
.subpanel {
  background: var(--clr-bg-subpanel);
  border-radius: var(--radius-md);
  padding: var(--sp-3);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Panel title */
.panel-title {
  font-size: var(--fs-xl);
  font-weight: 600;
  color: var(--clr-text-primary);
  line-height: 1.2;
}

.panel-title--sm {
  font-size: var(--fs-base);
  font-weight: 600;
  color: #F0F0F0;
}

.panel-label {
  font-size: var(--fs-md);
  font-weight: 600;
  color: var(--clr-text-dim);
}

/* ------------------------------------------------------------
   6. TYPOGRAPHY UTILITIES
   ------------------------------------------------------------ */
.text-primary   { color: var(--clr-text-primary) !important; }
.text-secondary { color: var(--clr-text-secondary) !important; }
.text-muted-d   { color: var(--clr-text-muted) !important; }
.text-dim       { color: var(--clr-text-dim) !important; }
.text-orange    { color: var(--clr-accent-orange) !important; }
.text-purple    { color: var(--clr-accent-purple) !important; }

.fw-500 { font-weight: 500; }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }

.fs-xs   { font-size: var(--fs-xs); }
.fs-sm   { font-size: var(--fs-sm); }
.fs-md   { font-size: var(--fs-md); }
.fs-base { font-size: var(--fs-base); }
.fs-lg   { font-size: var(--fs-lg); }

/* ------------------------------------------------------------
   7. BUTTONS
   ------------------------------------------------------------ */
.btn-d2c {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  font-family: var(--font-base);
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  user-select: none;
  border-radius: var(--radius-pill);
  text-decoration: none;
}

.btn-d2c:focus-visible {
  outline: 2px solid var(--clr-accent-purple);
  outline-offset: 3px;
}

/* Size variants */
.btn-d2c--sm   { height: 34px; padding: 0 14px; font-size: var(--fs-sm); }
.btn-d2c--md   { height: 44px; padding: 0 20px; font-size: var(--fs-base); }
.btn-d2c--lg   { height: 46px; padding: 0 28px; font-size: var(--fs-lg); }
.btn-d2c--xl   { height: 56px; padding: 0 36px; font-size: 18px; }
.btn-d2c--full { width: 100%; }

/* Orange — Primary CTA */
.btn-orange {
  background: var(--clr-accent-orange);
  color: var(--clr-text-on-orange);
}
.btn-orange:hover {
  background: #e85f00;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(255, 106, 0, 0.35);
}
.btn-orange:active { transform: translateY(0); }

/* Purple — Generate / Active */
.btn-purple {
  background: var(--clr-accent-purple);
  color: var(--clr-text-on-purple);
}
.btn-purple:hover {
  background: #5a20d4;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(111, 44, 255, 0.35);
}
.btn-purple:active { transform: translateY(0); }

/* Dark — Secondary */
.btn-dark {
  background: var(--clr-bg-dark-btn);
  color: var(--clr-text-on-dark);
  border: 1px solid var(--clr-border-btn);
}
.btn-dark:hover {
  background: #2E2E2E;
  border-color: #555;
}

/* Ghost / Outline */
.btn-ghost {
  background: transparent;
  color: var(--clr-text-secondary);
  border: 1px solid var(--clr-border-btn);
}
.btn-ghost:hover {
  background: var(--clr-bg-subpanel);
  color: var(--clr-text-primary);
  border-color: #555;
}

/* Danger */
.btn-danger {
  background: #C0392B;
  color: #fff;
}
.btn-danger:hover {
  background: #a93226;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(192, 57, 43, 0.35);
}

/* Success */
.btn-success {
  background: #27AE60;
  color: #fff;
}
.btn-success:hover {
  background: #219952;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(39, 174, 96, 0.3);
}

/* Icon-only button */
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--clr-bg-edit);
  border: 1px solid var(--clr-border-btn);
  border-radius: var(--radius-pill);
  width: 34px;
  height: 34px;
  color: var(--clr-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}
.btn-icon:hover {
  background: #363636;
  color: var(--clr-text-primary);
}

/* Loading spinner for buttons */
.btn-d2c.is-loading {
  pointer-events: none;
  opacity: 0.7;
}
.btn-d2c.is-loading::after {
  content: '';
  width: 16px; height: 16px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin-left: var(--sp-2);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ------------------------------------------------------------
   8. TABS
   ------------------------------------------------------------ */
.tabs-d2c {
  display: flex;
  gap: var(--sp-2);
  height: 36px;
  background: var(--clr-bg-item-alt);
  border-radius: var(--radius-xl);
  padding: 3px;
}

.tab-item {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-xl);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: #BBBBBB;
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  padding: 0 10px;
}

.tab-item:hover {
  color: var(--clr-text-primary);
  background: rgba(255,255,255,0.05);
}

.tab-item.active--purple {
  background: var(--clr-accent-purple);
  color: var(--clr-text-on-purple);
}

.tab-item.active--orange {
  background: var(--clr-accent-orange);
  color: var(--clr-text-on-orange);
}

/* Tab content panels */
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ------------------------------------------------------------
   9. FORM CONTROLS
   ------------------------------------------------------------ */

/* --- Shared Field Base --- */
.field-d2c {
  width: 100%;
  font-family: var(--font-base);
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--clr-text-secondary);
  background: var(--clr-bg-input);
  border: 1px solid var(--clr-border-input);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

.field-d2c::placeholder {
  color: var(--clr-text-muted);
}

.field-d2c:focus {
  border-color: var(--clr-accent-purple);
  box-shadow: 0 0 0 3px rgba(111, 44, 255, 0.18);
  color: var(--clr-text-primary);
}

.field-d2c:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

/* --- Input --- */
.input-d2c {
  height: 44px;
  padding: 0 12px;
  line-height: 44px;
}

.input-d2c--sm {
  height: 34px;
  padding: 0 10px;
}

/* Input with icon prefix */
.input-wrap {
  position: relative;
  display: block;
}
.input-wrap .input-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--clr-text-muted);
  pointer-events: none;
  font-size: 14px;
}
.input-wrap .field-d2c {
  padding-left: 36px;
}
.input-wrap .input-icon-right {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--clr-text-muted);
  font-size: 12px;
}

/* --- Textarea --- */
.textarea-d2c {
  padding: 12px;
  resize: vertical;
  min-height: 80px;
  line-height: 1.5;
  font-size: var(--fs-xs);
}

/* --- Select --- */
.select-d2c {
  height: 44px;
  padding: 0 32px 0 12px;
  cursor: pointer;
  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='%23AFAFAF' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}

.select-d2c option,
.select-d2c optgroup {
  background: var(--clr-bg-subpanel);
  color: var(--clr-text-secondary);
}

/* --- Form Label --- */
.form-label-d2c {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--clr-text-secondary);
  margin-bottom: 6px;
}

/* --- Form Group --- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* --- Form Row (inline) --- */
.form-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  height: 40px;
  padding: 0 10px;
  background: var(--clr-bg-input);
  border-radius: var(--radius-sm);
}

.form-row__label {
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--clr-text-secondary);
}

.form-row__value {
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--clr-text-soft);
}

/* --- Range Slider --- */
.range-d2c {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: var(--clr-border-input);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}
.range-d2c::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--clr-accent-purple);
  cursor: pointer;
  box-shadow: 0 0 0 3px rgba(111, 44, 255, 0.2);
  transition: box-shadow var(--transition-fast);
}
.range-d2c::-webkit-slider-thumb:hover {
  box-shadow: 0 0 0 5px rgba(111, 44, 255, 0.3);
}
.range-d2c::-moz-range-thumb {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--clr-accent-purple);
  border: none;
  cursor: pointer;
}

/* --- Checkbox --- */
.check-d2c {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: var(--fs-base);
  color: var(--clr-text-secondary);
  user-select: none;
}

.check-d2c input[type="checkbox"] {
  -webkit-appearance: none;
  appearance: none;
  width: 18px; height: 18px;
  border: 1px solid var(--clr-border-input);
  border-radius: 5px;
  background: var(--clr-bg-input);
  cursor: pointer;
  flex-shrink: 0;
  transition: all var(--transition-fast);
  position: relative;
}

.check-d2c input[type="checkbox"]:checked {
  background: var(--clr-accent-purple);
  border-color: var(--clr-accent-purple);
}

.check-d2c input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 5px; top: 2px;
  width: 5px; height: 9px;
  border: 2px solid #fff;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}

/* --- Radio --- */
.radio-d2c {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: var(--fs-base);
  color: var(--clr-text-secondary);
  user-select: none;
}

.radio-d2c input[type="radio"] {
  -webkit-appearance: none;
  appearance: none;
  width: 18px; height: 18px;
  border: 1px solid var(--clr-border-input);
  border-radius: 50%;
  background: var(--clr-bg-input);
  cursor: pointer;
  flex-shrink: 0;
  transition: all var(--transition-fast);
  position: relative;
}

.radio-d2c input[type="radio"]:checked {
  border-color: var(--clr-accent-purple);
}

.radio-d2c input[type="radio"]:checked::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--clr-accent-purple);
}

/* --- Toggle Switch --- */
.toggle-d2c {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: var(--fs-base);
  color: var(--clr-text-secondary);
  user-select: none;
}

.toggle-d2c input[type="checkbox"] {
  display: none;
}

.toggle-track {
  width: 42px; height: 24px;
  background: var(--clr-bg-subpanel);
  border: 1px solid var(--clr-border-input);
  border-radius: 12px;
  position: relative;
  transition: background var(--transition-base);
  flex-shrink: 0;
}

.toggle-track::after {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--clr-text-muted);
  transition: all var(--transition-base);
}

.toggle-d2c input:checked + .toggle-track {
  background: var(--clr-accent-purple);
  border-color: var(--clr-accent-purple);
}

.toggle-d2c input:checked + .toggle-track::after {
  left: 21px;
  background: #fff;
}

/* ------------------------------------------------------------
   10. FILE UPLOAD / DROP ZONE
   ------------------------------------------------------------ */
.upload-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  min-height: 120px;
  background: rgba(71, 71, 71, 0.3);
  border: 1px dashed var(--clr-border-upload);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
  padding: var(--sp-4);
}

.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--clr-accent-purple);
  background: rgba(111, 44, 255, 0.07);
}

.upload-zone i {
  font-size: 24px;
  color: var(--clr-text-muted);
  margin-bottom: var(--sp-1);
}

.upload-zone p {
  font-size: var(--fs-md);
  font-weight: 500;
  color: #A6A6A6;
  line-height: 1.4;
}

.upload-zone input[type="file"] { display: none; }

/* ------------------------------------------------------------
   11. ASSET LIST ITEM
   ------------------------------------------------------------ */
.asset-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.asset-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 54px;
  padding: 0 12px;
  background: var(--clr-bg-subpanel);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
  cursor: pointer;
}

.asset-item:hover { background: #2E2E2E; }

.asset-item--active {
  outline: 1px solid var(--clr-accent-purple);
}

.asset-item__name {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--clr-text-soft);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.asset-item__badge {
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--clr-text-tag);
  flex-shrink: 0;
  margin-left: var(--sp-2);
}

/* ------------------------------------------------------------
   12. DROPDOWN (custom)
   ------------------------------------------------------------ */
.dropdown-d2c {
  position: relative;
}

.dropdown-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 44px;
  padding: 0 12px;
  background: var(--clr-bg-input);
  border: 1px solid var(--clr-border-input);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--clr-text-secondary);
  user-select: none;
  transition: border-color var(--transition-fast);
}
.dropdown-trigger:hover { border-color: #555; }

.dropdown-menu-d2c {
  position: absolute;
  top: calc(100% + 4px);
  left: 0; right: 0;
  background: var(--clr-bg-input);
  border: 1px solid var(--clr-border-input);
  border-radius: var(--radius-sm);
  overflow: hidden;
  z-index: 100;
  display: none;
}

.dropdown-d2c.open .dropdown-menu-d2c { display: block; }

.dropdown-option {
  display: flex;
  align-items: center;
  height: 30px;
  padding: 0 10px;
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--clr-text-secondary);
  background: var(--clr-bg-item);
  cursor: pointer;
  transition: background var(--transition-fast);
}
.dropdown-option:hover { background: var(--clr-bg-subpanel); color: var(--clr-text-primary); }
.dropdown-option.selected { font-weight: 600; color: var(--clr-text-primary); }

/* ------------------------------------------------------------
   13. VIEWPORT / CANVAS AREA
   ------------------------------------------------------------ */
.design-viewport {
  background: var(--clr-bg-viewport);
  border: 1px solid #2E2E2E;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: var(--sp-5) 0;
  min-height: 400px;
  position: relative;
  overflow: hidden;
}

.viewport-label {
  font-size: var(--fs-md);
  font-weight: 500;
  color: var(--clr-text-secondary);
  position: absolute;
  bottom: var(--sp-4);
}

/* ------------------------------------------------------------
   14. BADGES / TAGS
   ------------------------------------------------------------ */
.badge-d2c {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: var(--fs-xs);
  font-weight: 600;
  line-height: 1;
}

.badge-purple  { background: rgba(111, 44, 255, 0.2); color: #a880ff; }
.badge-orange  { background: rgba(255, 106, 0, 0.2);  color: #FF8C35; }
.badge-success { background: rgba(39, 174, 96, 0.2);  color: #4fd17c; }
.badge-danger  { background: rgba(192, 57, 43, 0.2);  color: #e57161; }
.badge-muted   { background: var(--clr-bg-subpanel);  color: var(--clr-text-dim); }

/* File type badge */
.file-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 5px;
  letter-spacing: 0.3px;
}
.file-badge--svg { background: rgba(111, 44, 255, 0.15); color: #a880ff; }
.file-badge--png { background: rgba(255, 106, 0, 0.15);  color: #FF8C35; }
.file-badge--jpg { background: rgba(39, 174, 96, 0.15);  color: #4fd17c; }

/* ------------------------------------------------------------
   15. ALERTS / TOAST
   ------------------------------------------------------------ */
.alert-d2c {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  font-size: var(--fs-base);
  font-weight: 500;
}

.alert-d2c i { font-size: 16px; margin-top: 1px; flex-shrink: 0; }

.alert-info    { background: rgba(111, 44, 255, 0.12); color: #c0a0ff; border: 1px solid rgba(111,44,255,0.2); }
.alert-success { background: rgba(39, 174, 96, 0.12);  color: #6ee09a; border: 1px solid rgba(39,174,96,0.2); }
.alert-warning { background: rgba(255, 106, 0, 0.12);  color: #ffa04d; border: 1px solid rgba(255,106,0,0.2); }
.alert-danger  { background: rgba(192, 57, 43, 0.12);  color: #e57161; border: 1px solid rgba(192,57,43,0.2); }

/* Toast notification */
.toast-container {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.toast-d2c {
  min-width: 260px;
  padding: 12px 16px;
  background: var(--clr-bg-panel);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 32px rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--fs-base);
  font-weight: 500;
  color: var(--clr-text-primary);
  animation: slideUp var(--transition-base) ease;
}

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

/* ------------------------------------------------------------
   16. MODALS
   ------------------------------------------------------------ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-d2c {
  background: var(--clr-bg-panel);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: var(--sp-6);
  max-width: 520px;
  width: 90%;
  transform: translateY(20px) scale(0.97);
  transition: transform var(--transition-base);
}

.modal-overlay.active .modal-d2c {
  transform: translateY(0) scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-5);
}

.modal-title {
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--clr-text-primary);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--sp-2);
  margin-top: var(--sp-5);
}

/* ------------------------------------------------------------
   17. SPINNER / LOADING
   ------------------------------------------------------------ */
.spinner-d2c {
  width: 32px; height: 32px;
  border: 3px solid var(--clr-border);
  border-top-color: var(--clr-accent-purple);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner-d2c--sm { width: 18px; height: 18px; border-width: 2px; }
.spinner-d2c--lg { width: 48px; height: 48px; border-width: 4px; }

/* Progress bar */
.progress-d2c {
  height: 4px;
  border-radius: 2px;
  background: var(--clr-border);
  overflow: hidden;
}

.progress-bar-d2c {
  height: 100%;
  border-radius: 2px;
  background: var(--clr-accent-purple);
  transition: width var(--transition-slow);
}

/* ------------------------------------------------------------
   18. DIVIDER
   ------------------------------------------------------------ */
.divider-d2c {
  height: 1px;
  background: var(--clr-border);
  flex-shrink: 0;
}

/* ------------------------------------------------------------
   19. UTILITIES
   ------------------------------------------------------------ */
.d-flex       { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2  { gap: var(--sp-2); }
.gap-3  { gap: var(--sp-3); }
.gap-4  { gap: var(--sp-4); }
.flex-1 { flex: 1; }
.w-full { width: 100%; }
.mt-2   { margin-top: var(--sp-2); }
.mt-3   { margin-top: var(--sp-3); }
.mb-2   { margin-bottom: var(--sp-2); }
.mb-3   { margin-bottom: var(--sp-3); }

/* ------------------------------------------------------------
   20. RESPONSIVE
   ------------------------------------------------------------ */
@media (max-width: 1200px) {
  .canvas-right { width: 280px; }
}

@media (max-width: 992px) {
  .canvas-shell { flex-direction: column; }
  .canvas-left, .canvas-right { width: 100%; }
  .dash-row { height: auto; flex-direction: column; }
}

@media (max-width: 576px) {
  .app-wrapper { padding: var(--sp-3); gap: var(--sp-3); }
  .app-brand { font-size: 24px; }
}

/* ============================================================
   21. APP-SPECIFIC COMPONENTS (index.php)
   ============================================================ */

/* --- Step Indicator (topbar) --- */
.step-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
}

.step-pip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  border-radius: 50%;
  font-size: 11px;
  font-weight: 700;
  background: var(--clr-bg-subpanel);
  border: 1px solid var(--clr-border);
  color: var(--clr-text-muted);
  transition: all var(--transition-base);
  cursor: default;
}

.step-pip.active {
  background: var(--clr-accent-purple);
  border-color: var(--clr-accent-purple);
  color: #fff;
}

.step-pip.done {
  background: rgba(39, 174, 96, 0.15);
  border-color: #27AE60;
  color: #4fd17c;
}

.step-sep {
  font-size: 9px;
  color: var(--clr-border-btn);
}

/* Step badge (mini label inside panels) */
.step-badge {
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 2px 7px;
  border-radius: 10px;
  background: rgba(111, 44, 255, 0.15);
  color: #a880ff;
  flex-shrink: 0;
}

/* --- Project Info (dash-row) --- */
.project-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--clr-text-primary);
  line-height: 1.2;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.project-desc {
  font-size: var(--fs-base);
  font-weight: 500;
  color: var(--clr-text-secondary);
  line-height: 1.5;
  flex: 1;
}

/* h-100 helper for flex panels */
.h-100 { flex: 1; overflow-y: auto; }

/* --- Empty Hint --- */
.empty-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: var(--sp-5);
  color: var(--clr-text-muted);
  text-align: center;
  font-size: var(--fs-md);
}
.empty-hint i { font-size: 28px; opacity: 0.4; }

/* --- Predefined Model Grid --- */
.predefined-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.predefined-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  padding: 10px 6px;
  background: var(--clr-bg-input);
  border: 1px solid var(--clr-border-input);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 10px;
  font-weight: 600;
  color: var(--clr-text-secondary);
  text-align: center;
}

.predefined-item i { font-size: 20px; color: var(--clr-text-muted); }

.predefined-item:hover {
  border-color: var(--clr-accent-purple);
  background: rgba(111, 44, 255, 0.08);
  color: var(--clr-text-primary);
}

.predefined-item:hover i { color: var(--clr-accent-purple); }

.predefined-item.selected {
  border-color: var(--clr-accent-purple);
  background: rgba(111, 44, 255, 0.12);
  color: var(--clr-text-on-purple);
}
.predefined-item.selected i { color: var(--clr-accent-purple); }

/* --- Color picker input --- */
.color-input-d2c {
  -webkit-appearance: none;
  appearance: none;
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 2px solid var(--clr-border-btn);
  padding: 0;
  cursor: pointer;
  background: none;
  flex-shrink: 0;
}
.color-input-d2c::-webkit-color-swatch-wrapper { padding: 0; }
.color-input-d2c::-webkit-color-swatch { border: none; border-radius: 50%; }

/* --- Canvas / Viewport --- */
.design-viewport { flex: 1; min-height: 440px; }

.viewport-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  color: var(--clr-text-muted);
  text-align: center;
  padding: 24px;
}
.viewport-empty > i { font-size: 64px; opacity: 0.08; }
.viewport-empty > p { font-size: var(--fs-base); font-weight: 500; }

.viewport-steps {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
}

.vs-step {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--clr-text-muted);
  opacity: 0.5;
}

.vs-step.active { opacity: 1; color: var(--clr-text-secondary); }
.vs-step.done   { opacity: 1; color: #4fd17c; }

.vs-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--clr-bg-subpanel);
  border: 1px solid var(--clr-border);
  font-size: 10px;
  font-weight: 700;
}

.vs-arrow { font-size: 9px; color: var(--clr-border); }

/* Canvas layers (model + artwork overlay) */
.viewport-content {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.canvas-layers {
  position: relative;
  display: inline-block;
}

.layer-model {
  display: block;
  max-height: 420px;
  max-width: 100%;
  border-radius: var(--radius-md);
}

.layer-artwork {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  max-width: 60%;
  pointer-events: none;
}

/* Loading overlay */
.viewport-loading {
  position: absolute;
  inset: 0;
  background: rgba(16,16,16,0.85);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border-radius: var(--radius-lg);
  backdrop-filter: blur(4px);
}
.viewport-loading p {
  font-size: var(--fs-base);
  font-weight: 600;
  color: var(--clr-text-secondary);
}

/* Apply prompt wrap */
.apply-prompt-wrap { flex-shrink: 0; }

/* --- Export Panel (right) --- */
.export-thumb {
  height: 140px;
  background: var(--clr-bg-viewport);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--clr-text-muted);
  font-size: 12px;
  overflow: hidden;
  flex-shrink: 0;
}
.export-thumb i { font-size: 36px; opacity: 0.15; }
.export-thumb img { width: 100%; height: 100%; object-fit: cover; }

.export-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.export-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  padding: 4px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  color: var(--clr-text-secondary);
}
.export-meta-row span:first-child { color: var(--clr-text-muted); }
.export-meta-row i { margin-right: 5px; width: 12px; }

/* Resolution radio list */
.resolution-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.res-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast);
  font-size: 12px;
  font-weight: 600;
  color: var(--clr-text-secondary);
}
.res-option:hover { background: var(--clr-bg-subpanel); }
.res-option input[type="radio"] { accent-color: var(--clr-accent-orange); }
.res-option small { font-weight: 400; color: var(--clr-text-muted); margin-left: 4px; }

.format-row {
  display: flex;
  gap: 4px;
}
.format-row .res-option { flex: 1; justify-content: center; padding: 6px; }

/* Export status */
.export-status {
  font-size: 12px;
  font-weight: 500;
  color: var(--clr-text-secondary);
  text-align: center;
  padding: 6px;
}

/* --- API / Status indicator (footer) --- */
.api-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 600;
}
.api-status--idle    i { color: var(--clr-text-muted); }
.api-status--working i { color: var(--clr-accent-orange); animation: pulse 1s ease infinite; }
.api-status--done    i { color: #4fd17c; }
.api-status--error   i { color: #e57161; }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}