/* ==========================================================================
   AIRH File Upload — Futuristic Neumorphism
   ========================================================================== */

/* ---------------------------------------------------------------------------
   Drop Zone — Neumorphic inset
   --------------------------------------------------------------------------- */
.file-upload {
  position: relative;
  border: none;
  border-radius: var(--radius-lg);
  padding: var(--space-10) var(--space-6);
  text-align: center;
  cursor: pointer;
  box-shadow: var(--neu-inset);
  transition: all 0.25s ease;
}

.file-upload:hover {
  box-shadow: var(--neu-inset-sm);
}

/* Drag over active — Accent glow */
.file-upload.is-drag-over {
  box-shadow: var(--neu-inset), 0 0 0 2px var(--color-accent);
}

.file-upload.is-drag-over .file-upload__content {
  pointer-events: none;
}

/* Hidden input */
.file-upload__input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

/* ---------------------------------------------------------------------------
   Upload Content
   --------------------------------------------------------------------------- */
.file-upload__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.file-upload__icon {
  width: 48px;
  height: 48px;
  color: var(--color-text-tertiary);
  opacity: 0.5;
}

.file-upload.is-drag-over .file-upload__icon {
  color: var(--color-accent);
  opacity: 1;
}

.file-upload__text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.file-upload__text strong {
  color: var(--color-accent);
  font-weight: 600;
}

.file-upload__hint {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

/* Compact */
.file-upload--compact { padding: var(--space-6) var(--space-4); }
.file-upload--compact .file-upload__icon { width: 32px; height: 32px; }

/* ---------------------------------------------------------------------------
   File List
   --------------------------------------------------------------------------- */
.file-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

/* ---------------------------------------------------------------------------
   File Item — Raised neumorphic
   --------------------------------------------------------------------------- */
.file-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-primary);
  border: none;
  border-radius: var(--radius-md);
  box-shadow: var(--neu-flat);
  transition: box-shadow 0.2s ease;
}

.file-item:hover {
  box-shadow: var(--neu-raised-sm);
}

/* Thumbnail / icon */
.file-item__preview {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--neu-inset-sm);
}

.file-item__preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.file-item__preview-icon {
  width: 20px;
  height: 20px;
  color: var(--color-text-tertiary);
}

/* File info */
.file-item__info { flex: 1; min-width: 0; }

.file-item__name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-item__meta {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  margin-top: 1px;
}

/* Progress bar — Neumorphic inset */
.file-item__progress {
  width: 100%;
  height: 3px;
  border-radius: var(--radius-full);
  margin-top: var(--space-2);
  overflow: hidden;
  box-shadow: var(--neu-inset-sm);
}

.file-item__progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), #6366f1);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

/* Status */
.file-item--success .file-item__progress-bar {
  background: linear-gradient(90deg, var(--color-success), #10b981);
}

.file-item--error {
  box-shadow: var(--neu-flat), 0 0 0 1px rgba(239, 68, 68, 0.3);
}

.file-item--error .file-item__progress-bar {
  background: linear-gradient(90deg, #ef4444, #dc2626);
}

.file-item__status-icon { width: 18px; height: 18px; flex-shrink: 0; }
.file-item__status-icon--success { color: var(--color-success); }
.file-item__status-icon--error { color: var(--color-error); }

/* Remove button — Neumorphic */
.file-item__remove {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-tertiary);
  flex-shrink: 0;
  border: none;
  background: none;
  cursor: pointer;
  transition: all 0.15s ease;
}

.file-item__remove:hover {
  box-shadow: var(--neu-inset-sm);
  color: var(--color-error);
}

/* ---------------------------------------------------------------------------
   Disabled State
   --------------------------------------------------------------------------- */
.file-upload.is-disabled {
  opacity: 0.5;
  pointer-events: none;
  cursor: not-allowed;
}