/**
 * AI Grooming Assistant - Interactive Styles
 * Upload zone, loading states, and results display
 */

/* ========== AI UPLOAD & INTERACTION STYLES ========== */

.ai-upload-section {
  margin: 50px 0;
  position: relative;
  z-index: 1;
}

.ai-upload-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px;
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  box-shadow: var(--glow);
}

.ai-upload-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.ai-upload-subtitle {
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 30px;
}

/* Service Info (static, non-clickable) */
.ai-service-info {
  margin-bottom: 28px;
}

.ai-service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 12px;
}

.ai-service-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: rgba(193, 18, 31, 0.08);
  border: 1px solid rgba(193, 18, 31, 0.2);
  border-radius: 50px;
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 500;
  pointer-events: none;
  user-select: none;
}

.ai-service-description {
  font-size: 0.9rem;
  color: var(--text-sec);
  font-style: italic;
  text-align: center;
}

/* ========== FULL ANALYSIS INFOGRAPHIC RESULTS ========== */

.ai-full-results {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding: 10px 0;
}

/* Section Block */
.ai-section-block {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  overflow: hidden;
}

.ai-section-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 24px;
  background: rgba(193, 18, 31, 0.08);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.ai-section-num {
  width: 28px;
  height: 28px;
  background: var(--red);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.ai-section-header h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0;
}

.ai-section-body {
  padding: 24px;
}

/* --- 1. Personal Color --- */
.ai-color-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 16px;
}

.ai-color-group label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-sec);
  margin-bottom: 10px;
}

.ai-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.ai-swatch {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
  position: relative;
  cursor: default;
  flex-shrink: 0;
}

.ai-swatch:hover .ai-swatch-tip {
  opacity: 1;
}

.ai-swatch-tip {
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.85);
  color: #fff;
  font-size: 0.7rem;
  padding: 4px 8px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
  z-index: 10;
}

.ai-color-season {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(193, 18, 31, 0.12);
  border: 1px solid rgba(193, 18, 31, 0.25);
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--white);
  font-weight: 600;
  margin-bottom: 10px;
}

.ai-color-formula {
  font-size: 0.85rem;
  color: var(--text-sec);
  background: rgba(255,255,255,0.04);
  border-radius: 10px;
  padding: 10px 14px;
  margin-top: 8px;
  font-style: italic;
}

/* --- 2. Outfit --- */
.ai-outfit-infographic {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.ai-outfit-item {
  background: rgba(255,255,255,0.04);
  border-radius: 14px;
  padding: 16px 18px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
}

.ai-outfit-rank-badge {
  width: 36px;
  height: 36px;
  background: var(--red);
  color: #fff;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
  flex-shrink: 0;
}

.ai-outfit-info h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  margin: 0 0 4px;
}

.ai-outfit-occasion {
  font-size: 0.75rem;
  color: var(--red);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.ai-outfit-pieces {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 6px;
}

.ai-outfit-piece {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(255,255,255,0.06);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 0.78rem;
  color: var(--text);
}

.ai-outfit-piece-dot {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  flex-shrink: 0;
}

.ai-outfit-why {
  font-size: 0.8rem;
  color: var(--text-sec);
  font-style: italic;
  margin-top: 4px;
}

.ai-outfit-avoid {
  margin-top: 16px;
}

.ai-outfit-avoid label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-sec);
  margin-bottom: 8px;
}

.ai-avoid-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ai-avoid-item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text);
  background: rgba(193, 18, 31, 0.06);
  border-radius: 8px;
  padding: 8px 12px;
}

.ai-avoid-x {
  color: var(--red);
  font-weight: 700;
  flex-shrink: 0;
}

/* --- 3. Eyewear --- */
.ai-eyewear-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 16px;
}

.ai-eyewear-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 14px;
  padding: 16px;
  text-align: center;
}

.ai-eyewear-category {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 6px;
}

.ai-eyewear-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 6px;
}

.ai-eyewear-score {
  display: inline-block;
  background: rgba(193, 18, 31, 0.15);
  color: var(--red);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 8px;
}

.ai-eyewear-why {
  font-size: 0.78rem;
  color: var(--text-sec);
  line-height: 1.5;
}

.ai-eyewear-colors {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  justify-content: center;
  margin-top: 8px;
}

.ai-eyewear-color-tag {
  font-size: 0.7rem;
  background: rgba(255,255,255,0.06);
  border-radius: 4px;
  padding: 2px 7px;
  color: var(--text);
}

.ai-eyewear-protip {
  background: rgba(193, 18, 31, 0.07);
  border-left: 3px solid var(--red);
  border-radius: 0 10px 10px 0;
  padding: 10px 14px;
  font-size: 0.83rem;
  color: var(--text);
  font-style: italic;
}

/* --- 4. Skincare --- */
.ai-skincare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.ai-skincare-col label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-sec);
  margin-bottom: 10px;
}

.ai-routine-steps {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ai-routine-step {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: rgba(255,255,255,0.04);
  border-radius: 10px;
  padding: 10px 12px;
}

.ai-step-num {
  width: 22px;
  height: 22px;
  background: var(--red);
  color: #fff;
  border-radius: 50%;
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}

.ai-step-info strong {
  display: block;
  font-size: 0.85rem;
  color: var(--white);
  font-weight: 600;
  margin-bottom: 2px;
}

.ai-step-info span {
  font-size: 0.75rem;
  color: var(--text-sec);
}

.ai-concerns-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ai-concern-item {
  background: rgba(255,255,255,0.04);
  border-radius: 10px;
  padding: 10px 12px;
}

.ai-concern-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 3px;
}

.ai-concern-severity {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 5px;
  text-transform: capitalize;
}

.ai-concern-severity.mild { background: rgba(255,200,0,0.15); color: #ffc800; }
.ai-concern-severity.moderate { background: rgba(255,100,0,0.15); color: #ff6400; }
.ai-concern-severity.severe { background: rgba(193,18,31,0.2); color: var(--red); }

.ai-concern-tip {
  font-size: 0.78rem;
  color: var(--text-sec);
}

.ai-skincare-tips {
  margin-top: 16px;
}

.ai-skincare-tips label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-sec);
  margin-bottom: 8px;
}

.ai-tips-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ai-tips-list li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text);
  padding: 6px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  list-style: none;
}

.ai-tips-list li::before {
  content: "→";
  color: var(--red);
  flex-shrink: 0;
  font-weight: 700;
}

/* --- 5. Hairstyle --- */
.ai-hair-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 20px;
}

.ai-hair-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 14px;
  padding: 16px;
  position: relative;
}

.ai-hair-rank {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--red);
  color: #fff;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
}

.ai-hair-category {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 4px;
}

.ai-hair-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 6px;
  padding-right: 28px;
}

.ai-hair-desc {
  font-size: 0.8rem;
  color: var(--text-sec);
  line-height: 1.5;
  margin-bottom: 10px;
}

.ai-hair-score-bar {
  height: 6px;
  background: rgba(255,255,255,0.08);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 4px;
}

.ai-hair-score-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--red), #ff4444);
  border-radius: 3px;
  transition: width 0.6s ease;
}

.ai-hair-score-label {
  font-size: 0.72rem;
  color: var(--text-sec);
  text-align: right;
}

.ai-hair-maintenance {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.ai-hair-tag {
  font-size: 0.7rem;
  background: rgba(193,18,31,0.12);
  color: var(--red);
  padding: 3px 9px;
  border-radius: 20px;
}

.ai-hair-avoid {
  margin-top: 4px;
}

.ai-hair-avoid label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-sec);
  margin-bottom: 8px;
}

.ai-hair-avoid-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ai-hair-avoid-item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text);
  background: rgba(193,18,31,0.06);
  border-radius: 8px;
  padding: 8px 12px;
}

.ai-barber-tip {
  margin-top: 16px;
  background: rgba(193, 18, 31, 0.07);
  border-left: 3px solid var(--red);
  border-radius: 0 10px 10px 0;
  padding: 10px 14px;
  font-size: 0.83rem;
  color: var(--text);
  font-style: italic;
}

/* ========== COMING SOON BLOCK ========== */
.ai-coming-soon-block {
  text-align: center;
  padding: 60px 32px;
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 24px;
  margin: 0 auto;
  max-width: 580px;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.ai-coming-soon-block::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../Brand_assets/hair_analyst.png') center/cover no-repeat;
  filter: blur(6px) brightness(0.35) saturate(0.9);
  transform: scale(1.08);
  z-index: -1;
}
.ai-coming-soon-block::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(10,10,10,0.45) 0%,
    rgba(10,10,10,0.30) 50%,
    rgba(10,10,10,0.60) 100%
  );
  z-index: -1;
}

.ai-coming-soon-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  display: block;
  opacity: 0.8;
}

.ai-coming-soon-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.ai-coming-soon-desc {
  font-size: 0.95rem;
  color: var(--text-sec);
  line-height: 1.7;
  margin-bottom: 28px;
}

.ai-coming-soon-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 32px;
}

.ai-coming-soon-tags span {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 50px;
  padding: 7px 16px;
  font-size: 0.82rem;
  color: var(--text-sec);
  pointer-events: none;
  user-select: none;
}

.ai-coming-soon-btn {
  display: inline-block;
  background: var(--red);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 50px;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.2s ease;
}

.ai-coming-soon-btn:hover {
  background: #a50016;
  transform: translateY(-2px);
}

/* ========== USER PHOTO HEADER ========== */
.ai-user-photo-header {
  display: flex;
  align-items: center;
  gap: 24px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  padding: 20px 24px;
  margin-bottom: 4px;
}

.ai-user-photo-wrap {
  position: relative;
  flex-shrink: 0;
}

.ai-user-photo {
  width: 100px;
  height: 100px;
  border-radius: 16px;
  object-fit: cover;
  display: block;
  border: 2px solid rgba(193,18,31,0.4);
  box-shadow: 0 8px 30px rgba(0,0,0,0.4);
}

.ai-user-photo-label {
  display: block;
  text-align: center;
  font-size: 0.7rem;
  color: var(--text-sec);
  margin-top: 6px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.ai-user-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.ai-user-summary-tag {
  background: rgba(193,18,31,0.1);
  border: 1px solid rgba(193,18,31,0.25);
  border-radius: 50px;
  padding: 8px 16px;
  font-size: 0.85rem;
  color: var(--white);
  font-weight: 500;
}

/* ========== PHOTO GRID LAYOUT ========== */
.ai-photo-grid {
  display: grid;
  gap: 14px;
  margin-bottom: 16px;
}

.ai-photo-grid-3 { grid-template-columns: repeat(3, 1fr); }
.ai-photo-grid-4 { grid-template-columns: repeat(4, 1fr); }

.ai-photo-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.ai-photo-card:hover {
  transform: translateY(-4px);
  border-color: rgba(193,18,31,0.3);
}

.ai-photo-card-avoid {
  border-color: rgba(193,18,31,0.2);
}

.ai-photo-card-avoid:hover {
  border-color: rgba(193,18,31,0.5);
}

.ai-photo-card-img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 3/4;
  overflow: hidden;
  background: rgba(255,255,255,0.04);
}

.ai-photo-card-img-wide {
  aspect-ratio: 4/3;
}

.ai-photo-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.ai-photo-card:hover .ai-photo-card-img {
  transform: scale(1.05);
}

.ai-photo-card-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  background: rgba(255,255,255,0.03);
}

.ai-photo-card-rank {
  position: absolute;
  top: 8px;
  left: 8px;
  background: var(--red);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
}

.ai-photo-card-score {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(0,0,0,0.7);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
  backdrop-filter: blur(4px);
}

.ai-photo-avoid-x {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(193,18,31,0.35);
  color: #fff;
  font-size: 2rem;
  font-weight: 900;
}

.ai-photo-card-body {
  padding: 12px 14px;
}

.ai-photo-card-category {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 3px;
}

.ai-photo-card-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 5px;
  line-height: 1.3;
}

.ai-photo-card-occasion {
  font-size: 0.72rem;
  color: var(--red);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

.ai-photo-card-pieces {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 6px;
}

.ai-photo-card-why {
  font-size: 0.75rem;
  color: var(--text-sec);
  line-height: 1.4;
  font-style: italic;
}

.ai-section-sub {
  font-size: 0.85rem;
  color: var(--text-sec);
  margin-bottom: 16px;
}

.ai-section-sub-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #4CAF50;
  margin-bottom: 10px;
}

/* Responsive full analysis */
@media (max-width: 768px) {
  .ai-photo-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .ai-photo-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .ai-user-photo-header { flex-direction: column; text-align: center; }
  .ai-user-summary { justify-content: center; }
}

@media (max-width: 600px) {
  .ai-color-grid,
  .ai-skincare-grid,
  .ai-hair-grid { grid-template-columns: 1fr; }
  .ai-eyewear-grid { grid-template-columns: 1fr; }
  .ai-outfit-item { grid-template-columns: 1fr; }
  .ai-outfit-rank-badge { width: 28px; height: 28px; font-size: 0.85rem; }
  .ai-photo-grid-4,
  .ai-photo-grid-3 { grid-template-columns: repeat(2, 1fr); }
}

/* Upload Zone */
.ai-upload-zone {
  border: 2px dashed var(--border);
  border-radius: 16px;
  padding: 40px 30px;
  margin-bottom: 25px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.ai-upload-zone.drag-over {
  border-color: var(--red);
  background: rgba(193, 18, 31, 0.05);
}

.ai-upload-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.ai-upload-icon {
  width: 48px;
  height: 48px;
  color: var(--red);
  opacity: 0.8;
}

.ai-upload-text {
  font-size: 1.1rem;
  color: var(--white);
  font-weight: 500;
}

.ai-upload-hint {
  font-size: 0.9rem;
  color: var(--text-sec);
}

.ai-upload-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

.ai-upload-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 50px;
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.ai-upload-btn:hover {
  background: var(--red);
  border-color: var(--red);
  transform: translateY(-2px);
}

.ai-selfie-btn {
  background: rgba(220, 38, 38, 0.12);
  border-color: rgba(220, 38, 38, 0.4);
}

.ai-selfie-btn:hover {
  background: var(--red);
  border-color: var(--red);
}

.ai-upload-formats {
  font-size: 0.8rem;
  color: var(--text-sec);
  margin-top: 8px;
}

.ai-image-preview {
  width: 100%;
  max-width: 300px;
  max-height: 300px;
  object-fit: cover;
  border-radius: 12px;
  margin: 0 auto;
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}

/* Analyze Button */
.ai-analyze-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 40px;
  background: linear-gradient(135deg, var(--red) 0%, #8B0000 100%);
  border: none;
  border-radius: 50px;
  color: var(--white);
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 8px 30px rgba(193, 18, 31, 0.3);
}

.ai-analyze-btn:hover:not(:disabled) {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(193, 18, 31, 0.4);
}

.ai-analyze-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Error Message */
.ai-error {
  background: rgba(193, 18, 31, 0.1);
  border: 1px solid rgba(193, 18, 31, 0.3);
  border-radius: 12px;
  padding: 15px 20px;
  margin-bottom: 20px;
  color: var(--red);
  font-size: 0.95rem;
}

/* Loading State — Scanner Animation */
.ai-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 52px 40px;
  text-align: center;
}

.ai-loading-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

/* Scanner ring container */
.ail-scanner {
  position: relative;
  width: 140px;
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Pulse rings */
.ail-pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1.5px solid rgba(193, 18, 31, 0.35);
  animation: ail-pulse-out 2s cubic-bezier(0.16, 1, 0.3, 1) infinite;
}
.ail-pulse--2 {
  animation-delay: 1s;
}

@keyframes ail-pulse-out {
  0%   { transform: scale(1);    opacity: .7; }
  100% { transform: scale(1.55); opacity: 0; }
}

/* SVG rings — fill entire container */
.ail-rings {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform-origin: center;
}

/* Outer rotating arc */
.ail-arc {
  transform-origin: 70px 70px;
  animation: ail-spin-cw 1.3s linear infinite;
}

/* Inner counter-rotating arc */
.ail-arc-inner {
  transform-origin: 70px 70px;
  animation: ail-spin-ccw 2.1s linear infinite;
}

@keyframes ail-spin-cw  { to { transform: rotate(360deg);  } }
@keyframes ail-spin-ccw { to { transform: rotate(-360deg); } }

/* Photo slot in the center */
.ail-photo {
  position: relative;
  z-index: 2;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(193, 18, 31, 0.4);
}

.ail-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ail-photo-placeholder {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: rgba(193, 18, 31, 0.5);
}

/* Scan line sweep */
.ail-photo::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(193, 18, 31, 0.18) 50%,
    transparent 100%
  );
  animation: ail-scan 1.6s ease-in-out infinite;
}

@keyframes ail-scan {
  0%   { transform: translateY(-100%); }
  100% { transform: translateY(100%);  }
}

/* Progress bar */
.ail-progress {
  width: 180px;
  height: 2px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  overflow: hidden;
}

.ail-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #C1121F 0%, #ff3a48 100%);
  border-radius: 2px;
  transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.ail-progress-fill::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.4) 50%,
    transparent 100%
  );
  background-size: 60px 100%;
  animation: ail-shimmer 1.2s linear infinite;
}

@keyframes ail-shimmer {
  from { transform: translateX(-60px); }
  to   { transform: translateX(180px); }
}

/* Step indicators */
.ail-steps {
  display: flex;
  align-items: center;
  gap: 0;
}

.ail-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  opacity: 0.35;
  transition: opacity 0.3s ease;
}

.ail-step.active,
.ail-step.done {
  opacity: 1;
}

.ail-step-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  transition: background 0.3s ease, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.ail-step.active .ail-step-dot {
  background: #C1121F;
  box-shadow: 0 0 0 3px rgba(193, 18, 31, 0.25);
  animation: ail-dot-pulse 1.4s ease-in-out infinite;
}

.ail-step.done .ail-step-dot {
  background: #22c55e;
  box-shadow: none;
}

@keyframes ail-dot-pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(193, 18, 31, 0.25); }
  50%       { box-shadow: 0 0 0 6px rgba(193, 18, 31, 0.1);  }
}

.ail-step-lbl {
  font-size: 0.68rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-sec);
  white-space: nowrap;
}

.ail-step.active .ail-step-lbl,
.ail-step.done .ail-step-lbl {
  color: var(--white);
}

.ail-step-line {
  width: 32px;
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  margin: 0 4px;
  margin-bottom: 14px;
}

/* Loading text */
.ai-loading-text {
  font-size: 1.1rem;
  color: var(--white);
  font-weight: 600;
  animation: ail-text-in 0.4s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes ail-text-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0);   }
}

.ai-loading-subtext {
  font-size: 0.88rem;
  color: var(--text-sec);
  margin-top: -16px;
}

/* Results Section */
.ai-results {
  margin: 40px 0;
}

.ai-results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
  padding: 0 20px;
}

.ai-results-header h3 {
  font-size: 1.5rem;
  color: var(--white);
}

.ai-reset-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 50px;
  color: var(--text);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.ai-reset-btn:hover {
  border-color: var(--red);
  color: var(--white);
}

/* Result Cards */
.ai-result-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 35px;
  margin-bottom: 25px;
  box-shadow: var(--glow);
}

.ai-result-card h3 {
  font-size: 1.5rem;
  color: var(--white);
  margin-bottom: 25px;
  text-align: center;
}

.ai-result-section {
  margin-bottom: 25px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.ai-result-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.ai-result-section h4 {
  font-size: 1.1rem;
  color: var(--red);
  margin-bottom: 12px;
  font-weight: 600;
}

.ai-result-section p {
  color: var(--text);
  line-height: 1.6;
}

.ai-result-highlight {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white) !important;
  margin-bottom: 8px;
}

.ai-recommendation-list {
  list-style: none;
  display: grid;
  gap: 15px;
}

.ai-recommendation-list li {
  background: var(--surface);
  padding: 15px 20px;
  border-radius: 12px;
  border-left: 3px solid var(--red);
}

.ai-recommendation-list strong {
  color: var(--white);
  font-size: 1.05rem;
  display: block;
  margin-bottom: 5px;
}

.ai-confidence {
  display: inline-block;
  background: rgba(193, 18, 31, 0.2);
  color: var(--red);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-top: 8px;
}

.ai-result-meta {
  text-align: center;
  margin-top: 25px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.ai-result-meta small {
  color: var(--text-sec);
  font-size: 0.85rem;
}

/* Hairstyle Grid */
.ai-hairstyle-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.ai-hairstyle-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 25px;
  text-align: center;
  position: relative;
  transition: all 0.3s ease;
}

.ai-hairstyle-card:hover {
  border-color: var(--red);
  transform: translateY(-5px);
}

.ai-hairstyle-rank {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--red);
  color: var(--white);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}

.ai-hairstyle-card h4 {
  color: var(--white);
  font-size: 1.1rem;
  margin: 15px 0 10px;
}

.ai-hairstyle-card p {
  color: var(--text);
  font-size: 0.9rem;
  margin-bottom: 15px;
}

.ai-hairstyle-meta {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 15px;
}

.ai-tag {
  display: inline-block;
  background: rgba(193, 18, 31, 0.15);
  color: var(--red);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
}

.ai-maintenance {
  font-size: 0.8rem;
  color: var(--text-sec);
}

.ai-confidence-bar {
  background: var(--surface);
  height: 8px;
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.ai-confidence-fill {
  background: linear-gradient(90deg, var(--red), #ff4444);
  height: 100%;
  border-radius: 4px;
  transition: width 0.5s ease;
}

.ai-confidence-bar span {
  position: absolute;
  right: 0;
  top: -20px;
  font-size: 0.8rem;
  color: var(--text-sec);
}

/* Color Palette */
.ai-color-palette {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 15px;
}

.ai-color-swatch {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 5px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.ai-color-swatch span {
  font-size: 0.7rem;
  color: white;
  text-shadow: 0 1px 3px rgba(0,0,0,0.5);
  font-weight: 600;
}

/* Outfit Cards */
.ai-outfit-list {
  display: grid;
  gap: 15px;
}

.ai-outfit-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.ai-outfit-card h5 {
  color: var(--red);
  font-size: 1rem;
  margin-bottom: 8px;
  text-transform: capitalize;
}

.ai-outfit-card p {
  color: var(--text);
  font-size: 0.95rem;
  margin-bottom: 12px;
}

.ai-outfit-items {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* Preview Comparison */
.ai-preview-comparison {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 20px;
  align-items: center;
  margin-bottom: 30px;
}

.ai-preview-original,
.ai-preview-generated {
  text-align: center;
}

.ai-preview-original h4,
.ai-preview-generated h4 {
  color: var(--text-sec);
  font-size: 0.9rem;
  margin-bottom: 15px;
}

.ai-preview-original img,
.ai-preview-generated img {
  width: 100%;
  max-width: 250px;
  border-radius: 16px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}

.ai-preview-arrow {
  font-size: 2rem;
  color: var(--red);
  font-weight: 700;
}

.ai-result-actions {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Mobile Responsive for Upload */
@media (max-width: 768px) {
  .ai-upload-card {
    padding: 25px 20px;
  }
  
  .ai-upload-title {
    font-size: 1.4rem;
  }
  
  .ai-service-buttons {
    gap: 8px;
  }
  
  .ai-service-btn {
    padding: 10px 16px;
    font-size: 0.85rem;
  }
  
  .ai-upload-zone {
    padding: 30px 20px;
  }
  
  .ai-analyze-btn {
    padding: 14px 30px;
    font-size: 1rem;
  }
  
  .ai-results-header {
    flex-direction: column;
    gap: 15px;
    text-align: center;
  }
  
  .ai-preview-comparison {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .ai-preview-arrow {
    transform: rotate(90deg);
  }
  
  .ai-hairstyle-grid {
    grid-template-columns: 1fr;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  .ail-pulse,
  .ail-arc,
  .ail-arc-inner,
  .ail-photo::after,
  .ail-progress-fill::after,
  .ail-dot-pulse,
  .ai-loading-text {
    animation: none !important;
  }

  .ail-progress-fill {
    transition: width 0.1s linear;
  }

  .ai-confidence-fill {
    transition: none;
  }
}