/* ==========================================================================
   CENTRALIZED UPLOAD MODAL
   The only upload surface in the application. Reuses existing tokens,
   the .dropzone visuals, and .progress-track/.badge from main.css.
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(2px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-theme) var(--ease-in-out),
    visibility var(--duration-theme);
  z-index: var(--z-modal);
}

.modal-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}

.upload-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  display: flex;
  flex-direction: column;
  width: min(640px, 92vw);
  max-height: 86vh;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, -50%) scale(0.97);
  transition: opacity var(--duration-theme) var(--ease-in-out),
    transform var(--duration-theme) var(--ease-in-out),
    visibility var(--duration-theme);
  z-index: calc(var(--z-modal) + 1);
}

.upload-modal.is-open {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

.upload-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.upload-modal-title {
  font-size: var(--text-lg);
}

.upload-modal-close {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background-color var(--duration-hover) var(--ease-out),
    color var(--duration-hover) var(--ease-out);
}

.upload-modal-close:hover {
  background: var(--hover);
  color: var(--text-primary);
}

.upload-modal-body {
  padding: var(--space-6);
  overflow-y: auto;
  flex: 1 1 auto;
}

.upload-modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-6);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

/* ---- Sales/Purchase classification choice ------------------------------------ */
.upload-classify {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.upload-classify-option {
  position: relative;
  flex: 1 1 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 9px var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: background-color var(--duration-hover) var(--ease-out),
    color var(--duration-hover) var(--ease-out),
    border-color var(--duration-hover) var(--ease-out);
}

.upload-classify-option:hover {
  background: var(--hover);
}

.upload-classify-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.upload-classify-option.is-selected {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--accent);
  font-weight: var(--weight-semibold);
}

.upload-classify-option:has(input:focus-visible) {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.upload-classify-option svg { flex-shrink: 0; }

/* ---- Auto-classification notice ---------------------------------------------- */
.upload-modal-intro {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

.upload-modal-intro svg { flex-shrink: 0; color: var(--accent); }

/* ---- Dropzone sizing inside the modal --------------------------------------- */
.upload-modal .dropzone {
  padding: var(--space-8) var(--space-6);
}

/* ---- Upload queue ------------------------------------------------------------ */
.upload-queue {
  margin-top: var(--space-5);
}

.upload-queue-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.upload-queue-count {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
}

.upload-queue-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-height: 320px;
  overflow-y: auto;
}

.upload-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-subtle);
}

.upload-item-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  background: var(--accent-soft);
  color: var(--accent);
  margin-top: 1px;
}

.upload-item-icon.is-danger { background: var(--danger-soft); color: var(--danger); }
.upload-item-icon.is-success { background: var(--success-soft); color: var(--success); }

.upload-item-icon svg { width: 17px; height: 17px; }

.upload-item-info {
  flex: 1 1 auto;
  min-width: 0;
}

.upload-item-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.upload-item-name {
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.upload-item-meta {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  margin-top: 2px;
}

.upload-item-progress {
  margin-top: var(--space-2);
}

.upload-item-error {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  color: var(--danger);
}

.upload-item-remove {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  display: inline-grid;
  place-items: center;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: background-color var(--duration-hover) var(--ease-out),
    color var(--duration-hover) var(--ease-out);
}

.upload-item-remove:hover {
  background: var(--hover);
  color: var(--danger);
}

.upload-item-remove:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.upload-item-remove svg { width: 14px; height: 14px; }

/* ---- In-progress close confirmation ------------------------------------------ */
.upload-confirm-overlay {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  background: rgba(15, 23, 42, 0.45);
  border-radius: inherit;
  z-index: 1;
}

/* [hidden] alone would lose to the `display: flex` below it once open;
   gate the flex layout behind .is-open so the attribute always wins when set. */
.upload-confirm-overlay.is-open {
  display: flex;
}

[data-theme="dark"] .upload-confirm-overlay {
  background: rgba(0, 0, 0, 0.6);
}

.upload-confirm-box {
  width: min(360px, 100%);
  padding: var(--space-6);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-lg);
}

.upload-confirm-text {
  font-size: var(--text-base);
  color: var(--text-primary);
  margin-bottom: var(--space-5);
  line-height: var(--leading-normal);
}

.upload-confirm-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 640px) {
  .upload-modal {
    width: 94vw;
    max-height: 90vh;
  }

  .upload-modal-header,
  .upload-modal-footer {
    padding: var(--space-4);
  }

  .upload-modal-body {
    padding: var(--space-4);
  }

  .upload-classify {
    flex-direction: column;
  }

  .upload-modal-footer {
    flex-direction: column-reverse;
    align-items: stretch;
  }

  .upload-modal-footer .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .modal-backdrop,
  .upload-modal {
    transition-duration: 0.01ms !important;
  }
}