/* PDF to Image. Needs /assets/css/modern-tool-cards.css (tokens) and pdf-category.css (--accent). */
.pi, .pi *, .pi *::before, .pi *::after { box-sizing: border-box; }
.pi { display: grid; gap: 1.1rem; }
.pi [hidden] { display: none !important; }

.pi-panel { background: var(--tc-bg); border: 1px solid var(--tc-border); border-radius: 20px; box-shadow: var(--tc-shadow); overflow: hidden; }
.pi-head { display: flex; align-items: center; gap: .6rem; padding: .85rem 1.25rem; background: var(--tc-surface); border-bottom: 1px solid var(--tc-border); }
.pi-head > i { color: var(--accent); font-size: 1.1rem; }
.pi-head h3 { margin: 0; font-size: .8rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--tc-muted); }
.pi-body { padding: 1.1rem; display: grid; gap: 1rem; }

.pi-drop {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .4rem;
  padding: 2.2rem 1rem; text-align: center; cursor: pointer;
  border: 2px dashed var(--tc-border); border-radius: 16px; background: var(--tc-surface);
}
.pi-drop:hover, .pi-drop:focus-visible { border-color: var(--accent); }
.pi-drop:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.pi-drop--over { border-color: var(--accent); background: rgba(var(--accent-rgb), .06); }
.pi-drop > i { font-size: 1.8rem; color: var(--accent); }
.pi-drop p { margin: 0; font-size: .92rem; color: var(--tc-muted); }
.pi-browse-link { color: var(--accent); font-weight: 700; text-decoration: underline; }

.pi-toolbar {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  padding: .85rem 1.1rem; background: var(--tc-bg); border: 1px solid var(--tc-border); border-radius: 14px;
}
.pi-toolbar__file { display: flex; align-items: center; gap: .6rem; min-width: 0; }
.pi-toolbar__file > i { color: var(--accent); font-size: 1.2rem; flex: none; }
.pi-toolbar__name { font-weight: 600; color: var(--tc-text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 16rem; }
.pi-toolbar__stat { font-size: .78rem; color: var(--tc-muted); flex: none; }
.pi-toolbar__link { font-size: .85rem; font-weight: 600; color: var(--accent); background: none; border: 0; cursor: pointer; text-decoration: underline; flex: none; }

.pi-options { display: flex; align-items: center; gap: 1.2rem; flex-wrap: wrap; }
.pi-option { display: flex; align-items: center; gap: .5rem; }
.pi-option label { font-size: .85rem; font-weight: 600; color: var(--tc-muted); }
.pi-option select {
  height: 2.5rem; padding: 0 .8rem; font: inherit; font-size: .9rem;
  color: var(--tc-text); background: var(--tc-bg); border: 1px solid var(--tc-border); border-radius: 10px;
}
.pi-option select:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }

.pi-grid {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(9.5rem, 1fr));
}

.pi-card {
  display: flex; flex-direction: column; gap: .5rem;
  background: var(--tc-bg); border: 2px solid var(--tc-border); border-radius: 14px;
  padding: .6rem; cursor: pointer;
}
.pi-card--selected { border-color: var(--accent); }
.pi-card--unselected .pi-card__thumb-wrap { opacity: .35; }

.pi-card__thumb-wrap {
  position: relative; display: flex; align-items: center; justify-content: center;
  height: 9.5rem; background: var(--tc-surface); border: 1px solid var(--tc-border); border-radius: 10px; overflow: hidden;
}
.pi-card__canvas { max-width: 100%; max-height: 100%; display: block; box-shadow: 0 1px 4px rgba(0,0,0,.12); }

.pi-card__check {
  position: absolute; top: .4rem; right: .4rem;
  display: inline-flex; align-items: center; justify-content: center;
  width: 1.5rem; height: 1.5rem; font-size: .9rem;
  color: #fff; background: var(--accent); border-radius: 50%;
}
.pi-card--unselected .pi-card__check { background: var(--tc-bg); border: 1px solid var(--tc-border); color: transparent; }

.pi-card__num { font-size: .78rem; font-weight: 600; color: var(--tc-muted); text-align: center; }

.pi-actions { display: flex; gap: .6rem; }
.pi-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
  height: 2.4rem; padding: 0 1.2rem; font: inherit; font-size: .85rem; font-weight: 700;
  color: var(--tc-text); background: var(--tc-bg); border: 1px solid var(--tc-border); border-radius: 12px; cursor: pointer;
}
.pi-btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.pi-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.pi-btn:disabled { opacity: .5; cursor: not-allowed; }
.pi-btn--primary { color: #fff; background: var(--accent); border-color: var(--accent); }
.pi-btn--primary:hover:not(:disabled) { color: #fff; filter: brightness(1.08); }
.pi-btn--ghost { background: transparent; }
.pi-status { min-height: 1.2rem; margin: 0; font-size: .85rem; font-weight: 600; color: var(--accent); }
.pi-status--error { color: #dc2626; }

.pi-foot { margin: 0; display: flex; gap: .5rem; font-size: .84rem; color: var(--tc-muted); }
.pi-foot i { color: var(--accent); margin-top: .15rem; }