/**
 * Indilites Suite — Premium Frontend Stylesheet
 * Ultra-modern design with Glassmorphism, Gradients, and Micro-animations.
 */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@400;500;600&display=swap');

/* ── CSS Variables ─────────────────────────────────────────────── */
.ils-wrap {
  /* Curated Premium Palette */
  --ils-primary:       #4f46e5;
  --ils-primary-h:     #4338ca;
  --ils-primary-light: #e0e7ff;
  --ils-accent:        #f43f5e;
  --ils-accent-glow:   rgba(244, 63, 94, 0.4);
  
  --ils-bg:            rgba(255, 255, 255, 0.85);
  --ils-bg-alt:        rgba(248, 250, 252, 0.6);
  --ils-glass-border:  rgba(255, 255, 255, 0.4);
  --ils-border:        #e2e8f0;
  
  --ils-text:          #0f172a;
  --ils-text-muted:    #64748b;
  
  --ils-success:       #10b981;
  --ils-error:         #ef4444;
  
  --ils-radius:        20px;
  --ils-radius-sm:     12px;
  --ils-shadow:        0 10px 40px -10px rgba(15, 23, 42, 0.1), 0 0 0 1px rgba(255,255,255,0.5) inset;
  --ils-shadow-hover:  0 20px 40px -10px rgba(79, 70, 229, 0.15), 0 0 0 1px rgba(255,255,255,0.8) inset;
  
  --ils-tab-h:         70px;

  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--ils-text);
  
  /* Glassmorphism Container Base */
  background: var(--ils-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--ils-radius);
  box-shadow: var(--ils-shadow);
  border: 1px solid var(--ils-glass-border);
  
  max-width: 800px;
  margin: 2rem auto;
  overflow: hidden;
  line-height: 1.6;
  position: relative;
  transition: all 0.3s ease;
}

/* Beautiful Animated Gradient Background for the wrapper's container (optional pseudo) */
.ils-wrap::before {
  content: "";
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at 50% 50%, rgba(79, 70, 229, 0.05), transparent 60%),
              radial-gradient(circle at 80% 20%, rgba(244, 63, 94, 0.05), transparent 40%);
  z-index: -1;
  pointer-events: none;
  animation: ils-bg-shift 20s ease-in-out infinite alternate;
}

@keyframes ils-bg-shift {
  0% { transform: translate(0,0) scale(1); }
  100% { transform: translate(-10%, 10%) scale(1.1); }
}

.ils-wrap * { box-sizing: border-box; margin: 0; padding: 0; }

/* Headings use modern Outfit font */
.ils-wrap h1, .ils-wrap h2, .ils-wrap h3, .ils-wrap h4, .ils-nav__label {
  font-family: 'Outfit', sans-serif;
}

/* ── Dark Theme ────────────────────────────────────────────────── */
.ils-theme-dark {
  --ils-primary:       #818cf8;
  --ils-primary-h:     #a5b4fc;
  --ils-primary-light: rgba(129, 140, 248, 0.15);
  
  --ils-bg:            rgba(15, 23, 42, 0.75);
  --ils-bg-alt:        rgba(30, 41, 59, 0.6);
  --ils-glass-border:  rgba(255, 255, 255, 0.05);
  --ils-border:        #334155;
  
  --ils-text:          #f8fafc;
  --ils-text-muted:    #94a3b8;
  
  --ils-shadow:        0 10px 40px -10px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.05) inset;
  --ils-shadow-hover:  0 20px 40px -10px rgba(129, 140, 248, 0.2), 0 0 0 1px rgba(255,255,255,0.1) inset;
}

/* ── Navigation ────────────────────────────────────────────────── */
.ils-nav {
  display: flex;
  background: var(--ils-bg-alt);
  border-bottom: 1px solid var(--ils-border);
  overflow-x: auto;
  scrollbar-width: none;
  padding: 4px;
}
.ils-nav::-webkit-scrollbar { display: none; }

.ils-nav__tab {
  flex: 1;
  min-width: 90px;
  height: var(--ils-tab-h);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: transparent;
  border: none;
  border-radius: var(--ils-radius-sm);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  color: var(--ils-text-muted);
  position: relative;
  overflow: hidden;
}

.ils-nav__tab:hover {
  color: var(--ils-primary);
  background: var(--ils-primary-light);
  transform: translateY(-2px);
}

.ils-nav__tab--active {
  color: var(--ils-text);
  background: var(--ils-bg);
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  border: 1px solid var(--ils-glass-border);
}

.ils-nav__tab--active::after {
  content: "";
  position: absolute;
  bottom: 0; left: 20%; right: 20%;
  height: 3px;
  background: linear-gradient(90deg, var(--ils-primary), var(--ils-accent));
  border-radius: 3px 3px 0 0;
}

.ils-nav__icon { font-size: 20px; line-height: 1; transition: transform 0.3s; }
.ils-nav__tab:hover .ils-nav__icon { transform: scale(1.15) rotate(5deg); }
.ils-nav__label { font-size: 12px; font-weight: 600; letter-spacing: 0.5px; }

/* ── Panel ─────────────────────────────────────────────────────── */
.ils-panel { display: none; animation: ils-fade-in 0.4s ease-out; }
.ils-panel--active { display: block; }

@keyframes ils-fade-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.ils-panel__header {
  padding: 32px 32px 20px;
  border-bottom: 1px solid var(--ils-border);
  position: relative;
}
.ils-panel__title {
  font-size: 24px;
  font-weight: 800;
  color: var(--ils-text);
  background: linear-gradient(135deg, var(--ils-text), var(--ils-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.ils-panel__desc {
  font-size: 14px;
  color: var(--ils-text-muted);
  margin-top: 6px;
  max-width: 90%;
}

.ils-panel__body { padding: 32px; }

/* ── Progress Bar ──────────────────────────────────────────────── */
.ils-progress {
  height: 4px;
  background: var(--ils-border);
  width: 100%;
}
.ils-progress__bar {
  height: 100%;
  background: linear-gradient(90deg, var(--ils-primary), var(--ils-accent));
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 10px var(--ils-accent-glow);
}

/* ── Forms ─────────────────────────────────────────────────────── */
.ils-form-group { margin-bottom: 20px; }
.ils-form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ils-text);
  margin-bottom: 8px;
  letter-spacing: 0.2px;
}
.ils-form-group input,
.ils-form-group select,
.ils-form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--ils-border);
  border-radius: var(--ils-radius-sm);
  font-size: 14px;
  font-family: inherit;
  background: rgba(255,255,255,0.4);
  color: var(--ils-text);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.ils-theme-dark .ils-form-group input,
.ils-theme-dark .ils-form-group select { background: rgba(0,0,0,0.2); }

.ils-form-group input:focus,
.ils-form-group select:focus {
  outline: none;
  border-color: var(--ils-primary);
  background: var(--ils-bg);
  box-shadow: 0 0 0 4px var(--ils-primary-light);
  transform: translateY(-1px);
}

.ils-form-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }

/* ── Buttons ───────────────────────────────────────────────────── */
.ils-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 99px; /* Pill shape for modern look */
  font-size: 15px;
  font-weight: 700;
  font-family: 'Outfit', inherit;
  cursor: pointer;
  border: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.ils-btn::before {
  content: "";
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,0.2), transparent);
  transform: translateX(-100%);
  transition: 0.6s;
  z-index: -1;
}

.ils-btn:hover::before { transform: translateX(100%); }

.ils-btn--primary {
  background: linear-gradient(135deg, var(--ils-primary), var(--ils-primary-h));
  color: #fff;
  box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
}
.ils-btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(79, 70, 229, 0.4);
  color: #fff;
}
.ils-btn--primary:active { transform: translateY(1px); }
.ils-btn--primary:disabled {
  background: var(--ils-border);
  color: var(--ils-text-muted);
  box-shadow: none;
  cursor: not-allowed;
  transform: none;
}

.ils-btn--secondary {
  background: var(--ils-bg-alt);
  color: var(--ils-text);
  border: 2px solid var(--ils-border);
}
.ils-btn--secondary:hover {
  border-color: var(--ils-text);
  transform: translateY(-2px);
}

.ils-form-actions { margin-top: 28px; text-align: right; }
.ils-form-actions--split { display: flex; justify-content: space-between; align-items: center; }

/* ── Results Row ───────────────────────────────────────────────── */
.ils-results-row {
  display: flex;
  gap: 16px;
  margin-bottom: 32px;
}
.ils-result-chip {
  flex: 1;
  background: linear-gradient(135deg, var(--ils-primary-light), transparent);
  border: 1px solid var(--ils-glass-border);
  border-radius: var(--ils-radius-sm);
  padding: 20px 16px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0,0,0,0.02);
  transition: transform 0.3s;
}
.ils-result-chip:hover { transform: translateY(-3px); }

.ils-result-chip__val {
  display: block;
  font-size: 28px;
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  color: var(--ils-primary);
  line-height: 1.1;
}
.ils-result-chip__lbl {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--ils-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 6px;
}

/* ── Product List ──────────────────────────────────────────────── */
.ils-section-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--ils-text);
  margin-bottom: 16px;
}

.ils-product-list { display: flex; flex-direction: column; gap: 12px; margin-bottom: 24px; }
.ils-product-list--grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.ils-product-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  border: 2px solid var(--ils-border);
  border-radius: var(--ils-radius-sm);
  cursor: pointer;
  background: var(--ils-bg);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.ils-product-card:hover {
  border-color: var(--ils-primary);
  transform: translateX(4px);
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}
.ils-product-card.selected {
  border-color: var(--ils-primary);
  background: var(--ils-primary-light);
  box-shadow: 0 0 0 1px var(--ils-primary);
}

.ils-product-card__img {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border-radius: 8px;
  background: var(--ils-bg-alt);
  border: 1px solid var(--ils-border);
}
.ils-product-card__info { flex: 1; }
.ils-product-card__name { font-size: 15px; font-weight: 700; color: var(--ils-text); }
.ils-product-card__meta { font-size: 12px; color: var(--ils-text-muted); margin-top: 4px; }
.ils-product-card__qty { font-size: 18px; font-weight: 800; color: var(--ils-primary); text-align: right; min-width: 50px; font-family: 'Outfit', sans-serif;}
.ils-product-card__price { font-size: 12px; font-weight: 600; color: var(--ils-text-muted); }

/* AI Grid Card */
.ils-product-list--grid .ils-product-card {
  flex-direction: column;
  text-align: center;
  padding: 24px 16px;
}
.ils-product-list--grid .ils-product-card:hover { transform: translateY(-4px); }
.ils-product-list--grid .ils-product-card__img {
  width: 80px; height: 80px;
  margin: 0 auto 12px;
  border-radius: 50%;
}

/* ── Upload Zone ───────────────────────────────────────────────── */
.ils-upload-zone {
  border: 2px dashed var(--ils-text-muted);
  border-radius: var(--ils-radius);
  min-height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s;
  background: rgba(255,255,255,0.2);
  position: relative;
  overflow: hidden;
}
.ils-theme-dark .ils-upload-zone { background: rgba(0,0,0,0.1); }
.ils-upload-zone::after {
  content: "";
  position: absolute; inset: 0;
  background: var(--ils-primary-light);
  opacity: 0; transition: 0.3s;
  pointer-events: none;
}

.ils-upload-zone:hover, .ils-upload-zone.drag-over {
  border-color: var(--ils-primary);
  border-style: solid;
}
.ils-upload-zone:hover::after, .ils-upload-zone.drag-over::after {
  opacity: 0.5;
}

.ils-upload-zone__inner { text-align: center; padding: 32px; position: relative; z-index: 1; }
.ils-upload-zone__icon { font-size: 48px; margin-bottom: 16px; filter: drop-shadow(0 4px 6px rgba(0,0,0,0.1)); transition: transform 0.3s; }
.ils-upload-zone:hover .ils-upload-zone__icon { transform: scale(1.1) translateY(-5px); }
.ils-upload-zone__inner p { font-size: 16px; font-weight: 600; color: var(--ils-text); }
.ils-upload-zone__inner small { font-size: 13px; color: var(--ils-text-muted); margin-top: 6px; display: block; }

/* ── AI Loader & Results ───────────────────────────────────────── */
.ils-ai-loading { text-align: center; padding: 60px 20px; }
.ils-ai-loader {
  width: 60px; height: 60px;
  border: 4px solid var(--ils-border);
  border-top-color: var(--ils-primary);
  border-right-color: var(--ils-accent);
  border-radius: 50%;
  animation: ils-spin 1s cubic-bezier(0.68, -0.55, 0.265, 1.55) infinite;
  margin: 0 auto 20px;
}
.ils-ai-loading p { font-size: 16px; font-weight: 600; background: linear-gradient(90deg, var(--ils-primary), var(--ils-accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; animation: pulse 2s infinite; }

@keyframes ils-spin { to { transform: rotate(360deg); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

.ils-ai-style-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; justify-content: center; }
.ils-ai-tag {
  background: var(--ils-primary-light);
  color: var(--ils-primary);
  border: 1px solid rgba(79, 70, 229, 0.2);
  padding: 6px 16px;
  border-radius: 99px;
  font-size: 13px;
  font-weight: 700;
  text-transform: capitalize;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.ils-ai-description {
  font-size: 15px;
  color: var(--ils-text);
  margin-bottom: 28px;
  line-height: 1.6;
  text-align: center;
  padding: 16px;
  background: var(--ils-bg-alt);
  border-radius: var(--ils-radius-sm);
  border-left: 4px solid var(--ils-primary);
}

/* ── Success State ─────────────────────────────────────────────── */
.ils-success {
  text-align: center;
  padding: 40px 20px;
  background: var(--ils-bg-alt);
  border-radius: var(--ils-radius);
  border: 1px solid var(--ils-success);
  box-shadow: 0 10px 30px rgba(16, 185, 129, 0.1);
}
.ils-success__icon { font-size: 64px; margin-bottom: 20px; animation: bounce 1s cubic-bezier(0.28, 0.84, 0.42, 1); }
@keyframes bounce { 0% { transform: scale(0); } 50% { transform: scale(1.2); } 100% { transform: scale(1); } }
.ils-success h3 { font-size: 26px; font-weight: 800; margin-bottom: 12px; color: var(--ils-success); }
.ils-success p { font-size: 15px; color: var(--ils-text); margin-bottom: 30px; font-weight: 500; }

/* ── Minor Utilities ───────────────────────────────────────────── */
.ils-alert { padding: 12px 16px; border-radius: 8px; font-size: 14px; font-weight: 500; margin-top: 20px; }
.ils-alert--error { background: #fef2f2; color: var(--ils-error); border: 1px solid #fecaca; border-left: 4px solid var(--ils-error); }
.ils-theme-dark .ils-alert--error { background: rgba(239,68,68,0.1); border-color: rgba(239,68,68,0.3); }

/* Buttons inside small areas */
.ils-btn--danger-sm, .ils-btn--secondary-sm {
  padding: 8px 14px; border-radius: 6px; font-size: 12px; font-weight: 600; cursor: pointer; transition: all 0.2s; border: none; font-family: inherit;
}
.ils-btn--danger-sm { background: #fee2e2; color: #dc2626; }
.ils-btn--danger-sm:hover { background: #fca5a5; }
.ils-btn--secondary-sm { background: var(--ils-bg); color: var(--ils-text); border: 1px solid var(--ils-border); }
.ils-btn--secondary-sm:hover { border-color: var(--ils-text); }

/* ── Try-On / Canvas Areas ─────────────────────────────────────── */
.ils-canvas-area, .ils-pin-canvas-wrap, .ils-mood-canvas-wrap {
  border-radius: var(--ils-radius-sm);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  border: 1px solid var(--ils-border);
}
.ils-canvas-hint { font-size: 12px; font-weight: 500; color: var(--ils-text-muted); margin-top: 12px; text-align: center; }

/* ── Responsive Adjustments ────────────────────────────────────── */
@media (max-width: 600px) {
  .ils-wrap { margin: 0; border-radius: 0; border: none; }
  .ils-form-row { grid-template-columns: 1fr; gap: 12px; }
  .ils-results-row { flex-direction: column; gap: 10px; }
  .ils-product-list--grid { grid-template-columns: 1fr; }
  .ils-panel__header { padding: 24px 20px 16px; }
  .ils-panel__body { padding: 24px 20px; }
}