/* PDF tools page only. Shared tokens and components come from /style.css. */

.file-list { display: grid; gap: 0.4rem; margin: 0.9rem 0 0; padding: 0; list-style: none; }
.file-list:empty { display: none; }
.file-row {
  display: grid;
  grid-template-columns: 1.75rem minmax(0, 1fr) auto auto auto auto;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.5rem 0.45rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--field);
}
.file-row:has(.file-thumb) { grid-template-columns: 1.75rem 2.5rem minmax(0, 1fr) auto auto auto auto; }
.file-index { color: var(--accent); font: 600 0.75rem var(--font-mono); }
.file-thumb { width: 2.5rem; height: 2.5rem; object-fit: cover; border-radius: 6px; background: color-mix(in srgb, var(--ink) 7%, transparent); }
.file-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 600; }
.file-meta { color: var(--ink-2); font: 0.72rem var(--font-mono); }
.file-info { margin: 0.6rem 0 0; color: var(--ink-2); font: 0.82rem var(--font-mono); }
.file-info:empty { display: none; }

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 2.1rem;
  height: 2.1rem;
  padding: 0;
  border-radius: 8px;
  font: 600 0.95rem/1 var(--font-sans);
}
.icon-btn:disabled { opacity: 0.35; cursor: default; }

.choices { display: grid; gap: 0.5rem; margin: 1.1rem 0; padding: 0; border: 0; }
.choices legend { margin-bottom: 0.5rem; color: var(--ink-2); font: 600 0.72rem var(--font-mono); letter-spacing: 0.06em; text-transform: uppercase; }
.choice {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--field);
  color: var(--ink);
  font: 400 0.95rem var(--font-sans);
  letter-spacing: 0;
  text-transform: none;
  cursor: pointer;
}
.choice:has(input:checked) { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 7%, var(--field)); }
.choice input { width: auto; accent-color: var(--accent); }

.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem; margin-top: 1rem; }
.toolbar .file-info { margin: 0 auto 0 0; }
.toolbar button.ghost { margin-left: 0; }
label.inline { display: inline-flex; align-items: center; gap: 0.5rem; }
label.inline select { width: auto; padding-block: 0.5rem; }

.page-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(9.5rem, 1fr));
  gap: 0.9rem;
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}
.page-card {
  display: grid;
  gap: 0.5rem;
  padding: 0.6rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--field);
  cursor: grab;
}
.page-thumb { display: grid; place-items: center; height: 10rem; overflow: hidden; }
.page-thumb canvas {
  max-width: min(100%, 8rem); /* square cap: a page turned 90° still fits the card */
  max-height: min(100%, 8rem);
  box-shadow: 0 2px 8px rgb(0 0 0 / 0.15);
  transition: transform var(--duration-normal) var(--ease-out-expo);
}
.page-label { color: var(--ink-2); font: 500 0.72rem var(--font-mono); text-align: center; }
.page-actions { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0.2rem; }
.page-actions .icon-btn { width: 100%; min-width: 0; height: 1.75rem; font-size: 0.85rem; }

.result-thumb { grid-area: thumb; max-width: 3.5rem; max-height: 3.5rem; border-radius: 6px; box-shadow: 0 1px 4px rgb(0 0 0 / 0.15); }
.result.is-all { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); background: color-mix(in srgb, var(--accent) 6%, var(--field)); }

/* Sign & fill */
.hint { margin: 0.75rem 0 0; color: var(--accent); font: 600 0.85rem var(--font-mono); }
.hint:empty { display: none; }
.sign-pages { display: grid; justify-items: center; gap: 1.25rem; margin-top: 1.25rem; }
.sign-pages:empty { display: none; }
.sign-page { position: relative; max-width: 100%; box-shadow: 0 4px 18px -6px rgb(0 0 0 / 0.3); }
.sign-page canvas { display: block; max-width: 100%; height: auto; }
.sign-pages[data-mode="signature"] .sign-page,
.sign-pages[data-mode="text"] .sign-page { cursor: crosshair; outline: 2px dashed color-mix(in srgb, var(--accent) 60%, transparent); }
.sign-page-num { position: absolute; right: 0.5rem; bottom: -1.3rem; color: var(--ink-2); font: 0.7rem var(--font-mono); }

.item { position: absolute; touch-action: none; }
.item-signature { cursor: move; outline: 1px dashed color-mix(in srgb, var(--accent) 70%, transparent); }
.item-signature img { display: block; width: 100%; height: auto; pointer-events: none; user-select: none; }
.item-text { display: flex; align-items: center; outline: 1px dashed color-mix(in srgb, var(--accent) 70%, transparent); background: rgb(255 255 255 / 0.6); }
.item-input {
  width: auto;
  padding: 2px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: #0d0d1a;
  font-family: Helvetica, Arial, sans-serif;
  line-height: 1.2;
}
.item-input:focus { box-shadow: none; }
.item-grip { padding: 0 0.2rem; color: var(--accent); cursor: move; user-select: none; font-size: 0.9rem; }
.item-remove {
  position: absolute;
  top: -0.7rem;
  right: -0.7rem;
  width: 1.4rem;
  height: 1.4rem;
  padding: 0;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  font-size: 0.65rem;
  line-height: 1;
}
.item-resize {
  position: absolute;
  right: -0.35rem;
  bottom: -0.35rem;
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 3px;
  background: var(--accent);
  cursor: nwse-resize;
}

.sign-dialog {
  width: min(40rem, calc(100vw - 2rem));
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--card);
  color: var(--ink);
  box-shadow: 0 30px 80px -20px rgb(0 0 0 / 0.5);
}
.sign-dialog::backdrop { background: rgb(20 18 14 / 0.45); }
.sign-dialog h3 { margin: 0 0 0.75rem; font-size: 1.3rem; }
.tabs { display: flex; gap: 0.4rem; margin-bottom: 0.75rem; }
.tabs [aria-selected="true"] { border-color: var(--accent); color: var(--accent); }
.sign-pad {
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: 0.5rem;
  border: 1.5px dashed var(--line);
  border-radius: 10px;
  background: #fff;
  touch-action: none;
  cursor: crosshair;
}

@media (max-width: 720px) {
  .file-row { grid-template-columns: 1.5rem minmax(0, 1fr) auto auto auto; }
  .file-row:has(.file-thumb) { grid-template-columns: 1.5rem 2.5rem minmax(0, 1fr) auto auto auto; }
  .file-row .file-meta { display: none; }
  .page-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}