/*
 * Full-HD UI layer
 * Visual and layout concerns live here; style.css contains the stable app base.
 */

/* ---------- Design tokens ---------- */
:root {
  color-scheme: light;
  --bg: #f2f4f7;
  --panel: #ffffff;
  --panel-2: #f7f8fa;
  --panel-raised: #ffffff;
  --text: #202833;
  --text-sub: #667180;
  --border: #dfe3e8;
  --border-strong: #c8ced7;
  --accent: #356bd6;
  --accent-hover: #2859bb;
  --accent-soft: #eaf0ff;
  --accent-contrast: #ffffff;
  --ok: #27845c;
  --ok-soft: #e5f5ed;
  --ng: #c44751;
  --ng-soft: #fbeaec;
  --warn: #a9670d;
  --warn-soft: #fff3d8;
  --shadow-panel: 0 1px 2px rgb(20 27 38 / 5%), 0 8px 24px rgb(20 27 38 / 5%);
  --shadow-popover: 0 18px 48px rgb(16 24 40 / 20%);
  --app-header-h: 44px;
  --pane-header-h: 42px;
  --control-h: 30px;
  --layout-space: 8px;
  --radius-panel: 10px;
  --radius-control: 7px;
}

body.dark {
  color-scheme: dark;
  --bg: #0f1319;
  --panel: #171c23;
  --panel-2: #1d242d;
  --panel-raised: #222a35;
  --text: #edf1f7;
  --text-sub: #a1acba;
  --border: #2b3440;
  --border-strong: #3c4858;
  --accent: #7da4ff;
  --accent-hover: #9bb9ff;
  --accent-soft: #24375f;
  --accent-contrast: #101824;
  --ok: #63c79a;
  --ok-soft: #193b2e;
  --ng: #f08089;
  --ng-soft: #4a252b;
  --warn: #e8b35f;
  --warn-soft: #44351f;
  --shadow-panel: 0 1px 1px rgb(0 0 0 / 30%), 0 10px 28px rgb(0 0 0 / 18%);
  --shadow-popover: 0 20px 54px rgb(0 0 0 / 50%);
}

html,
body {
  background: var(--bg);
}

body {
  color: var(--text);
  font-size: 12px;
  line-height: 1.45;
}

button,
input,
select,
textarea {
  font: inherit;
}

:where(button, input, select, textarea, [tabindex]):focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 82%, white);
  outline-offset: 2px;
}

.visually-hidden,
#appStatus {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* ---------- App frame ---------- */
.app-header {
  min-height: var(--app-header-h);
  height: var(--app-header-h);
  padding: 6px 10px;
  gap: 8px;
  border-bottom-color: var(--border);
  background: color-mix(in srgb, var(--panel) 96%, var(--bg));
  box-shadow: 0 1px 0 rgb(16 24 40 / 3%);
}

.app-header .brand {
  min-width: 0;
  gap: 8px;
}

.app-header .brand-mark {
  font-size: 19px !important;
}

.app-header .brand-copy {
  display: block;
  min-width: 0;
}

.app-header .brand-copy h1 {
  margin: 0;
  font-size: 13px;
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.app-header .btn,
.app-header button {
  min-height: var(--control-h);
}

.layout {
  height: calc(100vh - var(--app-header-h));
  min-height: 0;
  padding: var(--layout-space);
  gap: var(--layout-space);
  grid-template-columns: minmax(0, 51fr) minmax(640px, 49fr);
}

.right-col {
  min-width: 0;
  min-height: 0;
  gap: var(--layout-space);
  grid-template-rows: minmax(250px, 36%) minmax(0, 1fr);
}

body.check-pane-closed .right-col,
body.check-closed .right-col {
  grid-template-rows: minmax(0, 1fr);
}

.pane {
  min-width: 0;
  min-height: 0;
  border-color: var(--border);
  border-radius: var(--radius-panel);
  background: var(--panel);
  box-shadow: var(--shadow-panel);
  overflow: hidden;
}

.pane-head {
  min-height: var(--pane-header-h);
  padding: 6px 10px;
  gap: 8px;
  border-bottom-color: var(--border);
  background: var(--panel);
}

.pane-title-group,
.head-left,
.pdf-nav,
.head-actions {
  min-width: 0;
  gap: 6px;
}

.pane-step {
  color: var(--accent);
  font-size: 18px !important;
}

.pane-head h2,
.pane-head h3,
#pdfPaneTitle {
  color: var(--text);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.btn,
.icon-btn,
.pdf-nav button,
.pane-head button {
  min-height: var(--control-h);
  border-radius: var(--radius-control);
}

.icon-btn,
.pdf-nav button {
  min-width: var(--control-h);
  width: var(--control-h);
  padding: 0;
}

.btn-secondary,
.icon-btn,
.pdf-nav button {
  border-color: var(--border-strong);
  background: var(--panel-2);
  color: var(--text-sub);
}

.btn-secondary:hover,
.icon-btn:hover,
.pdf-nav button:hover {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border-strong));
  background: var(--accent-soft);
  color: var(--accent);
}

/* ---------- One-line PDF header ---------- */
#pdfPane > .pane-head {
  display: grid;
  grid-template-columns: minmax(0, auto) minmax(230px, 1fr) auto;
  align-items: center;
  min-height: var(--pane-header-h);
  padding: 5px 8px 5px 10px;
  gap: 8px;
  white-space: nowrap;
}

#pdfPane > .pane-head > .head-left,
#pdfPane > .pane-head > .pdf-nav {
  flex: 0 0 auto;
}

#pdfPane .pane-title-group {
  display: flex;
  align-items: center;
  min-width: 0;
}

.pdf-file-name {
  display: block;
  min-width: 0;
  max-width: min(360px, 23vw);
  margin-left: 3px;
  padding-left: 9px;
  overflow: hidden;
  border-left: 1px solid var(--border);
  color: var(--text-sub);
  font-size: 11px;
  font-weight: 550;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pdf-file-name[hidden] {
  display: none;
}

.pdf-nav {
  display: flex;
  align-items: center;
  gap: 5px;
}

#pageIndicator {
  min-width: 56px;
  color: var(--text-sub);
  font-variant-numeric: tabular-nums;
  text-align: center;
}

#rotateDisplayBtn .material-symbols-outlined {
  font-size: 18px;
}

#pdfScroll {
  background: color-mix(in srgb, var(--bg) 84%, var(--panel-2));
  scrollbar-color: var(--border-strong) transparent;
}

#reviewPdfSurface {
  position: relative;
  display: block;
  flex-shrink: 0;
  width: max-content;
  line-height: 0;
}

#reviewAreaOverlay {
  position: absolute;
  inset: 0 auto auto 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
  touch-action: none;
  transition: opacity 140ms ease;
}

/* ---------- Recognition controls ---------- */
.recognition-bar {
  position: relative;
  z-index: 5;
  display: flex;
  align-items: center;
  min-width: 0;
  min-height: 0;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  font-size: 11px;
  line-height: 1.35;
}

#pdfPane > .pane-head > .recognition-bar {
  width: 100%;
}

.recognition-summary {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  width: 100%;
  min-width: 0;
  gap: 8px;
}

.recognition-state {
  display: flex;
  flex: 1 1 auto;
  align-items: center;
  min-width: 0;
  gap: 7px;
}

.recognition-state-dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-sub);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--text-sub) 14%, transparent);
}

.recognition-bar[data-state="done"] .recognition-state-dot {
  background: var(--ok);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 15%, transparent);
}

.recognition-bar[data-state="running"] .recognition-state-dot {
  background: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 17%, transparent);
  animation: recognition-pulse 1.15s ease-in-out infinite;
}

.recognition-bar[data-state="paused"] .recognition-state-dot {
  background: var(--warn);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--warn) 16%, transparent);
}

.recognition-bar[data-state="error"] .recognition-state-dot {
  background: var(--ng);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--ng) 16%, transparent);
}

@keyframes recognition-pulse {
  50% {
    opacity: 0.45;
    transform: scale(0.78);
  }
}

.recognition-copy {
  min-width: 0;
}

#recognitionStatus {
  max-width: 250px;
  overflow: hidden;
  color: var(--text);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#recognitionDetail {
  display: none;
}

.recognition-bar[data-state="done"] .recognition-state {
  display: none;
}

.recognition-switches {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: flex-end;
  gap: 7px;
  white-space: nowrap;
}

.recognition-display-toggle {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--text-sub);
  font-size: 11px;
  font-weight: 650;
  white-space: nowrap;
}

#recognitionMode.recognition-apple-switch {
  display: inline-flex;
  align-items: center;
  width: 42px;
  min-width: 42px;
  height: 24px;
  min-height: 24px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: transparent !important;
  box-shadow: none !important;
  transform: none !important;
  cursor: pointer;
}

.recognition-switch-track {
  position: relative;
  display: block;
  width: 42px;
  height: 24px;
  border-radius: 999px;
  background: var(--border-strong);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--text) 9%, transparent);
  transition: background 160ms ease;
}

.recognition-switch-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgb(0 0 0 / 32%);
  transition: transform 180ms cubic-bezier(0.2, 0.75, 0.3, 1.15);
}

#recognitionMode.active .recognition-switch-track {
  background: var(--accent);
}

#recognitionMode.active .recognition-switch-thumb {
  transform: translateX(18px);
}

#recognitionMode:hover .recognition-switch-track {
  filter: brightness(1.07);
}

#recognitionMode:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.recognition-pause,
.recognition-settings > summary,
.recognition-controls button,
.recognition-controls select {
  box-sizing: border-box;
  min-height: var(--control-h);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-control);
  background: var(--panel-2);
  color: var(--text);
  font: inherit;
}

.recognition-pause,
.recognition-controls button,
.recognition-controls select {
  padding: 5px 9px;
}

.recognition-pause,
.recognition-controls button,
.recognition-settings > summary {
  cursor: pointer;
}

.recognition-pause:hover:not(:disabled),
.recognition-controls button:hover:not(:disabled),
.recognition-settings > summary:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.recognition-pause:disabled,
.recognition-controls button:disabled {
  opacity: 0.42;
  cursor: default;
}

.recognition-pause[hidden] {
  display: none !important;
}

.recognition-settings {
  position: relative;
}

.recognition-settings > summary {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  min-width: 30px;
  height: var(--control-h);
  padding: 0;
  list-style: none;
}

.recognition-settings > summary::-webkit-details-marker {
  display: none;
}

.recognition-settings > summary .material-symbols-outlined {
  color: var(--text-sub);
  font-size: 17px;
}

.recognition-settings[open] > summary,
.recognition-settings > summary:hover {
  color: var(--accent);
}

.recognition-settings[open] > summary .material-symbols-outlined,
.recognition-settings > summary:hover .material-symbols-outlined {
  color: var(--accent);
}

.recognition-controls {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 30;
  width: min(720px, calc(100vw - 32px));
  padding: 11px;
  border: 1px solid var(--border-strong);
  border-radius: 11px;
  background: var(--panel-raised);
  box-shadow: var(--shadow-popover);
}

.recognition-control-group {
  display: flex;
  align-items: center;
  gap: 7px;
  flex-wrap: wrap;
}

.recognition-control-group + .recognition-control-group {
  margin-top: 9px;
  padding-top: 9px;
  border-top: 1px solid var(--border);
}

.recognition-control-label {
  min-width: 82px;
  color: var(--text-sub);
  font-weight: 700;
}

.recognition-inline-check {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--text-sub);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}

.recognition-inline-check input {
  margin: 0;
  accent-color: var(--accent);
}

#ocrVertical .fx-row[data-area-group]:hover {
  box-shadow: inset 3px 0 0 var(--accent);
}

#ocrVertical .fx-row[data-area-group]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

/* ---------- Dense content areas ---------- */
.ocr-pane .pane-head,
.check-pane .pane-head {
  min-height: var(--pane-header-h);
}

.summary,
#summary {
  gap: 5px;
}

.flt,
.badge,
.pill {
  min-height: 24px;
  border-radius: 999px;
}

.table-wrap,
.list-scroll,
.cards-scroll,
#ocrVertical {
  scrollbar-color: var(--border-strong) transparent;
}

.record-card,
.roster-card,
.check-card {
  border-color: var(--border);
  border-radius: 8px;
  background: var(--panel);
}

.roster-card:hover {
  border-color: color-mix(in srgb, var(--accent) 42%, var(--border));
  background: color-mix(in srgb, var(--accent-soft) 35%, var(--panel));
}

.fx-row,
.field-row {
  border-color: var(--border);
}

input,
select,
textarea {
  border-color: var(--border-strong);
  border-radius: var(--radius-control);
  background: var(--panel-2);
  color: var(--text);
}

.modal-card,
.settings-card,
.import-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel-raised);
  box-shadow: var(--shadow-popover);
}

.modal-head,
.modal-actions,
.settings-head,
.settings-actions {
  border-color: var(--border);
}

/* ---------- Full-HD refinement ---------- */
@media (min-width: 1600px) and (min-height: 900px) {
  .layout {
    grid-template-columns: minmax(0, 52fr) minmax(680px, 48fr);
  }

  .right-col {
    grid-template-rows: minmax(270px, 35%) minmax(0, 1fr);
  }

  .pdf-file-name {
    max-width: 420px;
  }

  #recognitionStatus {
    max-width: 300px;
  }
}

/* ---------- Responsive fallbacks ---------- */
@media (max-width: 1480px) {
  .layout {
    grid-template-columns: minmax(0, 1fr) minmax(570px, 0.94fr);
  }

  #pdfPane > .pane-head {
    grid-template-columns: minmax(0, auto) minmax(205px, 1fr) auto;
    gap: 6px;
  }

  .pdf-file-name {
    max-width: 250px;
  }

  #recognitionStatus {
    max-width: 170px;
  }
}

@media (max-width: 1180px) {
  :root {
    --layout-space: 6px;
  }

  .layout {
    grid-template-columns: minmax(0, 1fr) minmax(500px, 0.92fr);
  }

  #pdfPane .recognition-state {
    display: none;
  }

  .pdf-file-name {
    max-width: 170px;
  }
}

@media (max-width: 920px) {
  .layout {
    height: auto;
    min-height: calc(100vh - var(--app-header-h));
    grid-template-columns: minmax(720px, 1fr);
    overflow-x: auto;
  }

  #pdfPane > .pane-head {
    grid-template-columns: minmax(0, auto) 1fr auto;
  }

  .right-col {
    grid-template-rows: minmax(320px, auto) minmax(480px, auto);
  }

  .recognition-switches {
    margin-left: auto;
  }

  .pdf-file-name {
    max-width: 160px;
  }
}

@media (max-width: 640px) {
  :root {
    --app-header-h: 40px;
    --pane-header-h: 40px;
    --layout-space: 5px;
  }

  .app-header {
    padding-inline: 7px;
  }

  .app-header .brand-copy h1 {
    font-size: 12.5px;
  }

  #pdfPane > .pane-head {
    min-width: 650px;
    padding-inline: 7px;
  }

  #pdfPaneTitle {
    display: none;
  }

  .pdf-file-name {
    max-width: 120px;
    padding-left: 7px;
  }

  .recognition-controls {
    position: fixed;
    top: 48px;
    right: 8px;
    left: 8px;
    width: auto;
    max-height: calc(100vh - 60px);
    overflow: auto;
  }

  .recognition-control-label {
    width: 100%;
    min-width: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

/* ---------- Record-sized check view and quiet visual selections ---------- */
body:not(.check-pane-closed) .right-col {
  --ocr-list-min-h: 76px;
  grid-template-rows:
    minmax(var(--ocr-list-min-h), 1fr)
    minmax(0, var(--review-pane-h, 240px));
}

body:not(.check-pane-closed) .record-card:hover {
  border-color: var(--border);
  background: var(--panel);
}

body:not(.check-pane-closed) .record-card.active,
body:not(.check-pane-closed) .record-card.active:hover {
  border-color: color-mix(in srgb, var(--accent) 46%, var(--border));
  background: var(--panel);
}

.check-pane .fx.choice-btn.active {
  border-color: color-mix(in srgb, var(--accent) 68%, var(--border-strong));
  background: color-mix(in srgb, var(--accent-soft) 82%, var(--panel));
  color: var(--accent);
  font-weight: 700;
  box-shadow: inset 0 -2px 0 var(--accent);
}

.check-pane .fx.choice-btn.active:hover {
  background: var(--accent-soft);
}

.check-pane .choice-btn:not(.active) {
  color: color-mix(in srgb, var(--text-sub) 58%, transparent);
}

.check-pane .choice-btn:not(.active):hover,
.check-pane .choice-btn:not(.active):focus-visible {
  color: var(--text-sub);
}

@media (max-width: 1180px) {
  body:not(.check-pane-closed) .right-col {
    --ocr-list-min-h: 180px;
  }
}

@media (max-width: 640px) {
  body:not(.check-pane-closed) .right-col {
    --ocr-list-min-h: 232px;
  }
}