/* ============================================================
   Document Scanner Styles — CTK Logistics Worker Portal
   Loaded only on scan-document.html
   ============================================================ */

.scanner-body {
  width: 100%;
}

/* ---------- Upload Zone (step 1) ---------- */
.scanner-upload-zone {
  border: 2px dashed rgba(0,0,0,0.12);
  border-radius: 16px;
  padding: 2.5rem 1.5rem;
  text-align: center;
  background: #fafafa;
  transition: border-color 0.2s;
}
.scanner-upload-zone:hover {
  border-color: var(--color-primary, #e8852e);
}
.scanner-upload-placeholder i {
  font-size: 3.5rem;
  color: #ccc;
  display: block;
  margin-bottom: 1rem;
}
.scanner-upload-placeholder p {
  color: #888;
  margin-bottom: 1.25rem;
  font-size: 0.95rem;
}

/* ---------- Adjust Zone (step 2) ---------- */
.scanner-image-wrapper {
  position: relative;
  display: inline-block;
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  background: #000;
  line-height: 0;
}
.scanner-image-wrapper img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}
.scanner-image-wrapper canvas {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: auto;
  cursor: grab;
  touch-action: none;
}
.scanner-image-wrapper canvas:active {
  cursor: grabbing;
}

.scanner-loading-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.55);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
  z-index: 5;
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}
.scanner-loading-overlay .spinner-border {
  width: 2.5rem;
  height: 2.5rem;
}

.scanner-corner-hint {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.6);
  color: #fff;
  font-size: 0.75rem;
  padding: 4px 12px;
  border-radius: 20px;
  white-space: nowrap;
  z-index: 6;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  pointer-events: none;
}
.scanner-corner-hint i {
  margin-right: 4px;
}

/* ---------- Preview Zone (step 3) ---------- */
.scanner-preview-wrapper {
  border-radius: 12px;
  overflow: hidden;
  background: #f5f5f5;
  text-align: center;
  border: 1px solid rgba(0,0,0,0.06);
}
.scanner-preview-wrapper img {
  max-width: 100%;
  max-height: 70vh;
  display: block;
  margin: 0 auto;
}

/* ---------- Progress Zone (step 4) ---------- */
.scanner-progress-zone {
  padding: 2rem 1rem;
}
.scanner-progress-zone .progress {
  border-radius: 50px;
  background: #e9ecef;
}
.scanner-progress-zone .progress-bar {
  background: var(--color-primary, #e8852e);
  transition: width 0.3s ease;
}

/* ---------- Done Zone (step 5) ---------- */
.scanner-done-zone {
  padding: 1.5rem 1rem;
}

/* ---------- Error ---------- */
.scanner-error {
  margin-bottom: 0;
  font-size: 0.875rem;
}

/* ---------- Scanner action buttons ---------- */
.scanner-actions .btn {
  min-height: 48px;
  font-size: 0.95rem;
}

/* ---------- Mobile overrides ---------- */
@media (max-width: 576px) {
  .scanner-upload-zone {
    padding: 1.5rem 1rem;
  }
  .scanner-upload-placeholder i {
    font-size: 2.5rem;
  }
  .scanner-upload-placeholder p {
    font-size: 0.85rem;
  }
  .scanner-corner-hint {
    font-size: 0.65rem;
    padding: 3px 10px;
    bottom: 4px;
  }
  .scanner-actions .btn {
    font-size: 0.85rem;
    min-height: 44px;
  }
}