/* === PDF Split — Tool Styles === */

.ps-page {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1rem 3rem;
}

/* Hero */
.ps-hero {
  padding-top: 2.5rem;
  margin-bottom: 1.5rem;
}
.ps-hero h1 {
  font-size: clamp(1.75rem, 1rem + 3vw, 2.5rem);
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--text-primary);
}
.ps-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  margin: 0;
}

/* Drop Zone */
.ps-dropzone {
  border: 2px dashed var(--border-color);
  border-radius: 12px;
  padding: 2.5rem 1rem;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  margin-bottom: 1.5rem;
  user-select: none;
}
.ps-dropzone:hover,
.ps-dropzone:focus,
.ps-dropzone.ps-dragover {
  border-color: var(--accent);
  background: var(--accent-light);
  outline: none;
}
.ps-dropzone__inner {
  pointer-events: none;
}
.ps-dropzone__inner .ps-btn {
  pointer-events: auto;
}
.ps-dropzone__icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
  display: block;
}
.ps-dropzone__text {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  margin: 0 0 6px;
}
.ps-dropzone__sub {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin: 0 0 12px;
}

/* File info panel */
.ps-file-info {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  margin-bottom: 1.25rem;
}
.ps-file-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
}
.ps-file-meta {
  flex: 1;
  min-width: 0;
}
.ps-file-name {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 4px;
}
.ps-file-badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.ps-badge {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  background: var(--bg-hover);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}
.ps-remove-btn {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 0.95rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}
.ps-remove-btn:hover {
  background: rgba(239, 68, 68, 0.1);
  border-color: #ef4444;
  color: #ef4444;
}

/* Controls */
.ps-controls {
  margin-bottom: 1.25rem;
}

/* Mode pills */
.ps-mode-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.ps-mode-pill {
  flex: 1 1 220px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--text-primary);
  transition: border-color var(--transition), background var(--transition);
}
.ps-mode-pill:hover {
  border-color: var(--accent);
}
.ps-mode-pill input[type="radio"] {
  accent-color: var(--accent);
  margin: 0;
}
.ps-mode-pill input[type="radio"]:checked ~ span {
  font-weight: 600;
}
.ps-mode-pill:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-light);
}

/* Range row */
.ps-range-row {
  margin-bottom: 14px;
}
.ps-range-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.ps-range-input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: inherit;
  transition: border-color var(--transition), background var(--transition);
}
.ps-range-input:focus {
  outline: none;
  border-color: var(--accent);
}
.ps-range-help {
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin: 6px 0 0;
}

/* Progress */
.ps-progress-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.ps-progress-bar {
  flex: 1;
  height: 8px;
  background: var(--bg-hover);
  border-radius: 999px;
  overflow: hidden;
  position: relative;
}
.ps-progress-bar::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: var(--ps-progress, 0%);
  background: var(--accent);
  border-radius: 999px;
  transition: width 0.2s ease;
}
.ps-progress-text {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  min-width: 36px;
  text-align: right;
}

/* Messages */
.ps-error {
  padding: 10px 14px;
  border-radius: 8px;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
  font-size: 0.875rem;
  margin-bottom: 12px;
}
.ps-success {
  padding: 10px 14px;
  border-radius: 8px;
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #16a34a;
  font-size: 0.875rem;
  margin-bottom: 12px;
}

/* Actions */
.ps-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* Buttons */
.ps-btn {
  padding: 8px 22px;
  height: 38px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  background: var(--bg-card);
  color: var(--text-primary);
  transition: background var(--transition), border-color var(--transition), color var(--transition), opacity var(--transition);
}
.ps-btn--small {
  height: 32px;
  padding: 4px 14px;
  font-size: 0.8rem;
}
.ps-btn--primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.ps-btn--primary:hover:not(:disabled) {
  background: var(--accent-hover, #1d4ed8);
  border-color: var(--accent-hover, #1d4ed8);
}
.ps-btn--primary:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.ps-btn--secondary {
  background: var(--bg-card);
  color: var(--accent);
  border-color: var(--accent);
}
.ps-btn--secondary:hover:not(:disabled) {
  background: var(--accent-light);
}
.ps-btn--ghost {
  background: transparent;
  color: var(--text-secondary);
}
.ps-btn--ghost:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-light);
}

/* Output list */
.ps-output {
  margin-bottom: 1.5rem;
}
.ps-output__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 10px;
}
.ps-output__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 240px;
  overflow-y: auto;
}
.ps-output__list li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 0.85rem;
  color: var(--text-primary);
}
.ps-output__list li .ps-output__name {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ps-output__list li a.ps-output__link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}
.ps-output__list li a.ps-output__link:hover {
  text-decoration: underline;
}

/* FAQ */
.ps-faq {
  margin-top: 2.5rem;
}
.ps-faq h2 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 14px;
}
.ps-faq__item {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 8px;
  overflow: hidden;
}
.ps-faq__item summary {
  padding: 12px 16px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}
.ps-faq__item summary::-webkit-details-marker { display: none; }
.ps-faq__item summary::after {
  content: '+';
  font-size: 1.1rem;
  color: var(--text-secondary);
  flex-shrink: 0;
  margin-left: 8px;
  transition: transform var(--transition);
}
.ps-faq__item[open] summary::after {
  transform: rotate(45deg);
}
.ps-faq__item p {
  padding: 0 16px 14px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* Responsive */
@media (max-width: 600px) {
  .ps-actions {
    flex-direction: column;
  }
  .ps-btn {
    width: 100%;
    height: 42px;
  }
  .ps-mode-pill {
    flex: 1 1 100%;
  }
}