/* PDF Tools — page styles. Leans on ../css/protium-ui.css tokens.
   Light theme + theme toggle now live in the shared protium-ui.css + theme.js. */

/* Full-height app shell: fill everything between nav and status bar. */
.page { flex: 1; min-height: 0; padding: 24px 32px; overflow: hidden; }
.layout {
  height: 100%;
  max-width: 1760px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 28px;
  align-items: stretch;
}

/* Sidebar — full-height left rail -------------------------------------- */
.sidebar {
  height: 100%;
  overflow-y: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 14px;
}
.side-search { margin-bottom: 10px; }
.side-search .pt-input { padding: 8px 10px; font-size: 13px; }
.side-group { margin-bottom: 12px; }
.side-group:last-of-type { margin-bottom: 0; }
.side-label {
  font-size: 11px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--text-faint); padding: 4px 8px; margin-bottom: 2px;
}
.side-item {
  display: block; width: 100%; text-align: left;
  font: inherit; font-size: 13.5px; color: var(--text-muted);
  background: transparent; border: 0; border-radius: var(--r-sm);
  padding: 8px 10px; cursor: pointer;
  transition: background var(--t), color var(--t);
}
.side-item:hover { background: var(--surface-2); color: var(--text); }
.side-item.is-active {
  background: var(--accent-soft); color: var(--text); font-weight: 600;
  box-shadow: inset 2px 0 0 var(--accent);
}
.side-empty { color: var(--text-faint); font-size: 13px; padding: 8px; }

/* Content -------------------------------------------------------------- */
.content { min-width: 0; height: 100%; overflow-y: auto; display: flex; flex-direction: column; }
.tool-head { margin-bottom: 18px; flex: none; }
.tool-head h1 { font-family: var(--font-display); font-size: 27px; letter-spacing: -0.01em; margin-bottom: 5px; }
.tool-head p { color: var(--text-muted); font-size: 15px; }

/* Panels --------------------------------------------------------------- */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px 30px;
  box-shadow: var(--shadow);
  flex: 1 1 auto;          /* the visible panel fills the content height */
}

/* Drop zone ------------------------------------------------------------ */
.drop {
  border: 1.5px dashed var(--border-strong);
  border-radius: var(--r-lg);
  min-height: 300px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 24px;
  text-align: center;
  transition: border-color var(--t), background var(--t);
}
.drop.is-over { border-color: var(--accent); background: var(--accent-soft); }
.drop-big { font-size: 17px; font-weight: 600; margin-bottom: 6px; }
.drop-small { color: var(--text-faint); margin-bottom: 12px; }
.drop-hint { color: var(--text-faint); font-size: 12.5px; margin-top: 14px; }

/* File list ------------------------------------------------------------ */
.files { list-style: none; margin: 18px 0 0; }
.files:empty { display: none; }
.file-row {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--field);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 10px 12px;
  margin-bottom: 8px;
  cursor: grab;
}
.file-row.dragging { opacity: 0.5; }
.file-grip { color: var(--text-faint); font-size: 16px; line-height: 1; cursor: grab; }
.file-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-size { color: var(--text-faint); font-size: 12.5px; }
.file-remove {
  background: transparent; border: 0; color: var(--text-muted);
  cursor: pointer; font-size: 18px; line-height: 1; padding: 2px 6px; border-radius: 6px;
}
.file-remove:hover { color: var(--bad); background: var(--bad-soft); }
.file-move {
  background: transparent; border: 1px solid var(--border); color: var(--text-muted);
  cursor: pointer; font-size: 14px; line-height: 1; padding: 4px 8px; border-radius: 6px;
}
.file-move:hover { color: var(--text); background: var(--surface-3); border-color: var(--border-strong); }

/* Options -------------------------------------------------------------- */
.options { margin-top: 18px; }
.opt-label { font-weight: 600; margin-bottom: 4px; }
.sub-label { color: var(--text-muted); font-size: 13px; margin-bottom: 12px; }

/* Compress level cards ------------------------------------------------- */
.levels { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.level {
  position: relative;
  text-align: left;
  background: var(--field);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 13px 14px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 3px;
  transition: border-color var(--t), background var(--t);
  font: inherit;
  color: var(--text);
}
.level:hover { background: var(--surface-3); }
.level.is-sel { border-color: var(--accent); background: var(--accent-soft); }
.level.is-disabled { opacity: 0.5; cursor: not-allowed; }
.level-name { font-weight: 600; }
.level-sub { font-size: 12px; color: var(--text-muted); }
.level-size { font-size: 13px; margin-top: 4px; color: var(--text-muted); }
.level-size .pct { color: var(--ok); font-weight: 600; }
.level-size .none { color: var(--text-faint); }
.level-badge {
  position: absolute; top: 10px; right: 10px;
  font-size: 10px; font-weight: 600; letter-spacing: 0.03em; text-transform: uppercase;
  color: var(--accent); background: var(--accent-soft);
  border: 1px solid var(--accent-ring); padding: 2px 7px; border-radius: 999px;
}
.smart-note {
  background: var(--warn-soft);
  border: 1px solid rgba(245, 166, 35, 0.4);
  color: var(--text);
  border-radius: var(--r-md);
  padding: 10px 12px;
  font-size: 13px;
  margin-top: 12px;
}

/* Fit-under-a-limit row ------------------------------------------------ */
.target { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.target-label { font-size: 13.5px; color: var(--text-muted); }
.target-input { width: 90px; padding: 8px 10px; }
.target-unit { color: var(--text-muted); font-size: 13.5px; }
.target-hint { color: var(--text-faint); font-size: 12.5px; }
.opt { display: flex; align-items: flex-start; gap: 10px; padding: 8px 0; color: var(--text-muted); }
.opt input { margin-top: 4px; }
.opt strong { color: var(--text); }
.opt-field { display: block; }
.opt-field > span { display: block; font-weight: 600; margin-bottom: 8px; }

/* Actions row ---------------------------------------------------------- */
.row-actions { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }

/* Result --------------------------------------------------------------- */
.result:empty { display: none; }
.result {
  margin-top: 18px;
  background: var(--field);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 16px;
}
.result .res-line { margin-bottom: 12px; }
.result .res-ok { color: var(--ok); font-weight: 600; }
.result .res-warn { color: var(--warn); font-weight: 600; }
.result .res-bad { color: var(--bad); font-weight: 600; }
.result .saving { color: var(--text-muted); font-size: 13px; }

/* Redactor ------------------------------------------------------------- */
.redact-bar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 8px; }
.redact-hint { color: var(--text-faint); font-size: 12.5px; margin-bottom: 14px; }
.redact-pages { display: flex; flex-direction: column; gap: 16px; align-items: center; max-height: 70vh; overflow: auto; padding: 8px; background: var(--field); border: 1px solid var(--border); border-radius: var(--r-md); }
.redact-page { position: relative; line-height: 0; box-shadow: var(--shadow); }
.redact-page canvas { display: block; }
.redact-overlay { position: absolute; inset: 0; cursor: crosshair; }
.redact-overlay.mode-text { cursor: text; }
.redact-box { position: absolute; background: #000; }
.redact-box .x { position: absolute; top: -9px; right: -9px; width: 18px; height: 18px; border-radius: 50%; background: var(--bad); color: #fff; font-size: 12px; line-height: 18px; text-align: center; cursor: pointer; }
.redact-suggested { position: absolute; border: 2px solid var(--warn); background: rgba(245,166,35,0.22); cursor: pointer; }
.redact-text { position: absolute; color: #000; background: #fff; padding: 1px 3px; font-size: 14px; white-space: pre; }
.redact-marquee { position: absolute; background: rgba(0,0,0,0.5); border: 1px dashed #fff; }

/* OCR output ----------------------------------------------------------- */
.ocr-out { margin-top: 18px; }
.ocr-text { margin-top: 12px; min-height: 240px; }

/* Busy ----------------------------------------------------------------- */
.busy { display: flex; align-items: center; gap: 12px; justify-content: center; margin-top: 22px; color: var(--text-muted); }
.spinner {
  width: 18px; height: 18px; border-radius: 50%;
  border: 2.5px solid var(--border-strong);
  border-top-color: var(--accent);
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 760px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
}
@media (max-width: 640px) {
  .levels { grid-template-columns: 1fr; }
}