/* ==========================================================================
   FASHN AI STUDIO — Interactive Components
   Dropzones • Inline URL Input • Presets • Slider • Lightbox • Toasts
   ========================================================================== */

/* ==========================================================================
   Dropzone Component
   ========================================================================== */
.dropzone-box {
  position: relative;
  border: 1.5px dashed var(--border-medium);
  border-radius: var(--radius-lg);
  background: var(--bg-inset);
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  outline: none;
  overflow: hidden;
}

.dropzone-box:hover,
.dropzone-box:focus-within {
  border-color: var(--accent-luxury);
  background: #FFFFFF;
  box-shadow: var(--shadow-sm);
}

.dropzone-box.drag-over {
  border-color: var(--accent-luxury);
  background: var(--accent-blue-light);
  border-style: solid;
}

.dropzone-box.has-image {
  border-style: solid;
  border-color: var(--border-subtle);
  background: var(--bg-card);
  padding: 0;
}

/* Empty State */
.dropzone-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 28px 20px;
  text-align: center;
  width: 100%;
}

.dropzone-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2px;
  box-shadow: var(--shadow-subtle);
  transition: all var(--transition-fast);
}
.dropzone-box:hover .dropzone-icon-wrap {
  color: var(--accent-luxury);
  border-color: var(--border-medium);
  transform: translateY(-2px);
}

.dropzone-icon {
  width: 24px;
  height: 24px;
}

.dropzone-title {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-primary);
}

.dropzone-subtitle {
  font-size: 12px;
  color: var(--text-muted);
}

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

/* Inline URL State (Directly in-place without alerts/popups) */
.dropzone-url-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 24px 20px;
  width: 100%;
  max-width: 440px;
  margin: 0 auto;
  text-align: center;
  animation: fadeIn 0.2s ease;
}

.dropzone-url-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
}

.dropzone-url-icon-badge {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--accent-luxury);
  display: flex;
  align-items: center;
  justify-content: center;
}

.dropzone-url-input-wrap {
  width: 100%;
}

.dropzone-inline-url-input {
  width: 100%;
  background: #FFFFFF;
  border: 1.5px solid var(--border-medium);
  padding: 10px 14px;
  font-size: 13px;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  box-shadow: var(--shadow-subtle);
}
.dropzone-inline-url-input:focus {
  border-color: var(--accent-luxury);
  box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.08);
}

.dropzone-url-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
}

/* Preview State */
.dropzone-preview-state {
  position: relative;
  width: 100%;
  height: 230px;
  background: #0F172A;
}

.dropzone-preview-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.dropzone-overlay-actions {
  position: absolute;
  top: 10px;
  right: 10px;
  display: flex;
  gap: 6px;
  z-index: 5;
}

.dropzone-zoom-btn,
.dropzone-clear-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(0, 0, 0, 0.08);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  transition: all var(--transition-fast);
}
.dropzone-zoom-btn:hover {
  background: #FFFFFF;
  transform: scale(1.08);
}
.dropzone-clear-btn {
  color: var(--status-error);
}
.dropzone-clear-btn:hover {
  background: var(--status-error);
  color: #FFFFFF;
  transform: scale(1.08);
}

.dropzone-meta-pill {
  position: absolute;
  bottom: 10px;
  left: 10px;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

/* ==========================================================================
   Preset Thumbnail Strips
   ========================================================================== */
.preset-strip {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
}

.preset-strip-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.preset-strip-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
}

.preset-count {
  font-size: 11px;
  color: var(--text-muted);
}

.preset-thumbs {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 4px 2px 10px;
  scroll-snap-type: x mandatory;
}

.preset-thumb {
  flex: none;
  width: 72px;
  height: 72px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 2px solid var(--border-subtle);
  background: var(--bg-inset);
  cursor: pointer;
  position: relative;
  scroll-snap-align: start;
  box-shadow: var(--shadow-subtle);
  transition: all var(--transition-fast);
}

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

.preset-thumb:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.preset-thumb:hover img {
  transform: scale(1.06);
}

.preset-thumb.selected {
  border-color: var(--accent-luxury);
  box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.15);
}

.preset-thumbs-sm .preset-thumb {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   Before / After Split Comparison Slider
   ========================================================================== */
.comparison-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 12px;
  box-shadow: var(--shadow-card);
}

.comparison-container {
  position: relative;
  width: 100%;
  aspect-ratio: 2 / 3;
  max-height: 580px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: ew-resize;
  user-select: none;
  background: #0F172A;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

/* Side-by-side mode */
.comparison-container.side-by-side {
  display: grid;
  grid-template-columns: 1fr 1fr;
  cursor: default;
  aspect-ratio: auto;
  min-height: 480px;
}
.comparison-container.side-by-side .comparison-before-layer,
.comparison-container.side-by-side .comparison-after-layer {
  position: relative;
  inset: auto;
  clip-path: none !important;
  height: 100%;
}
.comparison-container.side-by-side .comparison-slider-handle {
  display: none !important;
}

.comparison-before-layer,
.comparison-after-layer {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.comparison-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  pointer-events: none;
}

.comparison-badge {
  position: absolute;
  top: 14px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(8px);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
  z-index: 10;
}
.badge-before { left: 14px; }
.badge-after { right: 14px; }

.comparison-slider-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 0;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 15;
}

.handle-line {
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: #FFFFFF;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.4);
  left: -1px;
}

.handle-thumb {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #FFFFFF;
  color: var(--accent-luxury);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
  border: 2px solid rgba(15, 23, 42, 0.1);
  transition: transform var(--transition-fast);
}
.comparison-container:active .handle-thumb {
  transform: scale(1.1);
}

/* ==========================================================================
   Lightbox Fullscreen Inspector
   ========================================================================== */
.lightbox-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s ease;
}
.lightbox-modal.active {
  display: flex;
}

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.lightbox-content {
  position: relative;
  max-width: 92vw;
  max-height: 92vh;
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-modal);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  animation: modalScale 0.25s var(--ease-spring);
}

.lightbox-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.lightbox-title {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
}

.lightbox-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.lightbox-close-btn {
  background: transparent;
  border: none;
  font-size: 22px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
}
.lightbox-close-btn:hover {
  color: var(--text-primary);
}

.lightbox-body {
  overflow: auto;
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-inset);
}

.lightbox-image {
  max-width: 100%;
  max-height: 75vh;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-hover);
}

/* ==========================================================================
   Toasts Notification System
   ========================================================================== */
.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 380px;
}

.toast {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  box-shadow: var(--shadow-hover);
  font-size: 13px;
  color: var(--text-primary);
}

.toast-content {
  display: flex;
  align-items: center;
  gap: 10px;
}

.toast-icon {
  width: 18px;
  height: 18px;
  flex: none;
}

.toast-success .toast-icon {
  color: var(--status-success);
}
.toast-error .toast-icon {
  color: var(--status-error);
}
.toast-warning .toast-icon {
  color: var(--status-warning);
}
.toast-info .toast-icon {
  color: var(--accent-luxury);
}

.toast-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 16px;
  padding: 0 4px;
}
.toast-close:hover {
  color: var(--text-primary);
}

.animate-slide-in {
  animation: toastSlideIn 0.25s var(--ease-spring);
}

.toast-fade-out {
  animation: toastFadeOut 0.25s var(--ease-spring) forwards;
}

@keyframes toastSlideIn {
  from {
    opacity: 0;
    transform: translateX(30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

@keyframes toastFadeOut {
  to {
    opacity: 0;
    transform: translateX(30px) scale(0.95);
  }
}