/* ============================================================
   MERGE PDF — Extra CSS
   ============================================================ */

/* ===== UPLOAD AREA ===== */
.mp-upload-area {
  border: 3px dashed var(--border);
  border-radius: 18px;
  padding: 32px 20px;
  text-align: center;
  background: var(--surface-2);
  transition: all .2s ease;
  cursor: pointer;
}

.mp-upload-area:hover {
  border-color: var(--coral);
  background: rgba(232, 93, 74, .04);
}

.mp-upload-area.dragover {
  border-color: var(--coral);
  background: rgba(232, 93, 74, .08);
}

.mp-upload-icon {
  font-size: 2.8rem;
  color: var(--coral);
  margin-bottom: 4px;
}

.mp-upload-text {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
}

.mp-upload-sub {
  font-size: .78rem;
  color: var(--ink-faint);
}

.mp-upload-hint {
  font-size: .72rem;
  color: var(--ink-soft);
  margin-top: 4px;
}

.mp-file-count {
  font-size: .78rem;
  color: var(--ink-soft);
  margin-top: 8px;
  font-weight: 600;
}

/* ===== FILE LIST ===== */
.mp-file-list {
  margin-top: 16px;
  background: var(--surface-2);
  border: 2px solid var(--border);
  border-radius: 14px;
  padding: 14px 16px;
}

.mp-list-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.mp-list-title {
  font-weight: 700;
  font-size: .85rem;
  color: var(--ink-soft);
}

.mp-list-title i {
  color: var(--coral);
}

.mp-list-actions {
  display: flex;
  gap: 6px;
}

.mp-file-items {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 300px;
  overflow-y: auto;
  padding-right: 4px;
}

.mp-file-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 10px;
  padding: 8px 12px;
  cursor: grab;
  transition: all .2s ease;
}

.mp-file-item:hover {
  border-color: var(--coral);
}

.mp-file-item.dragging {
  opacity: .5;
  border-color: var(--coral);
}

.mp-file-item.drag-over {
  border-color: var(--coral);
  background: rgba(232, 93, 74, .06);
}

.mp-file-icon {
  font-size: 1.2rem;
  color: var(--coral);
  flex: none;
}

.mp-file-info {
  flex: 1;
  min-width: 0;
}

.mp-file-name {
  font-size: .78rem;
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mp-file-meta {
  font-size: .65rem;
  color: var(--ink-faint);
}

.mp-file-index {
  font-size: .7rem;
  font-weight: 700;
  color: var(--ink-faint);
  min-width: 24px;
  text-align: center;
}

.mp-file-remove {
  width: 28px;
  height: 28px;
  border: 2px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--coral);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .7rem;
  transition: all .15s ease;
  flex: none;
}

.mp-file-remove:hover {
  border-color: var(--coral);
  background: rgba(255, 90, 69, .1);
}

.mp-drag-hint {
  font-size: .65rem;
  color: var(--ink-faint);
  text-align: center;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

.mp-drag-hint i {
  margin-right: 4px;
}

/* ===== SETTINGS ===== */
.mp-settings {
  margin-top: 16px;
  background: var(--surface-2);
  border: 2px solid var(--border);
  border-radius: 14px;
  padding: 16px 18px;
}

.mp-settings-title {
  font-weight: 700;
  font-size: .85rem;
  color: var(--ink-soft);
  margin-bottom: 12px;
}

.mp-actions {
  display: flex;
  gap: 10px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.mp-actions .tool-btn {
  flex: 1;
  justify-content: center;
  padding: .7rem;
  min-width: 120px;
}

/* ===== PROGRESS ===== */
.mp-progress {
  margin-top: 14px;
  background: var(--surface);
  border-radius: 10px;
  overflow: hidden;
}

.mp-progress-bar {
  height: 6px;
  background: linear-gradient(to right, var(--coral), var(--mint));
  width: 0%;
  transition: width .3s ease;
}

.mp-progress-text {
  font-size: .72rem;
  color: var(--ink-soft);
  padding: 6px 0;
  text-align: center;
}

/* ===== RESULT ===== */
.mp-result {
  margin-top: 14px;
  background: rgba(31, 169, 127, .08);
  border: 2px solid var(--mint);
  border-radius: 12px;
  padding: 14px 16px;
}

.mp-result-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.mp-result-title {
  font-weight: 700;
  font-size: .95rem;
  color: var(--mint);
}

.mp-result-title i {
  margin-right: 6px;
}

.mp-result-info {
  margin-top: 6px;
}

.mp-result-detail {
  font-size: .78rem;
  color: var(--ink-soft);
}

/* ===== BLOCK LABEL ===== */
.block-label {
  font-weight: 700;
  font-size: .82rem;
  color: var(--ink-soft);
  display: block;
  margin-bottom: 6px;
}

.block-label i {
  color: var(--coral);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 767px) {
  .mp-upload-area {
    padding: 24px 16px;
  }

  .mp-upload-icon {
    font-size: 2.2rem;
  }

  .mp-file-list {
    padding: 10px 12px;
  }

  .mp-list-header {
    flex-direction: column;
    align-items: stretch;
  }

  .mp-list-actions {
    justify-content: center;
  }

  .mp-settings {
    padding: 12px 14px;
  }

  .mp-actions {
    flex-direction: column;
  }

  .mp-actions .tool-btn {
    flex: none;
    width: 100%;
  }

  .mp-result-header {
    flex-direction: column;
    align-items: stretch;
  }

  .mp-file-item {
    padding: 6px 10px;
  }

  .mp-file-name {
    font-size: .72rem;
  }
}

@media (max-width: 575px) {
  .mp-upload-area {
    padding: 20px 12px;
  }

  .mp-upload-text {
    font-size: .85rem;
  }

  .mp-upload-sub {
    font-size: .7rem;
  }

  .mp-upload-hint {
    font-size: .65rem;
  }

  .mp-file-icon {
    font-size: 1rem;
  }

  .mp-file-meta {
    font-size: .6rem;
  }

  .mp-drag-hint {
    font-size: .6rem;
  }

  .mp-settings-title {
    font-size: .78rem;
  }
}