/* frontend/styles.css — loaded after Oat. App-specific layout and light-mode enforcement. */

:root,
body {
  color-scheme: light;
}

body {
  margin: 0;
  background: var(--faint);
  color: var(--foreground);
}

[hidden] {
  display: none !important;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--card);
  color: var(--card-foreground);
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

/* Header */
.app-header {
  min-height: 64px;
  padding: 0.75rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  background: var(--background);
}
.app-header {
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.app-header-titles {
  flex: 1 1 24rem;
  min-width: 0;
}
.session-menu {
  margin-left: auto;
}
.session-access {
  width: min(23rem, calc(100vw - 2rem));
  box-sizing: border-box;
  box-shadow: 0 12px 32px #00000014;
}
#session-trigger {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
}
.key-status {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  border-left: 1px solid var(--border);
  padding-left: 0.5rem;
}
.step-number {
  display: inline-grid;
  place-items: center;
  width: 1.5rem;
  height: 1.5rem;
  margin-right: 0.375rem;
  border-radius: 50%;
  background: var(--muted);
  font-size: 0.75rem;
}
.evaluation-settings {
  border-top: 1px solid var(--border);
}
.session-access .section-title {
  margin-bottom: 0.5rem;
}
.session-access .field-stack {
  gap: 0.5rem;
}
#toggle-api-key {
  flex-shrink: 0;
  min-width: 44px;
  min-height: 44px;
  cursor: pointer;
}
.eye-slash {
  display: none;
}
#toggle-api-key[aria-pressed="true"] .eye-slash {
  display: inline;
}
.app-header-titles h1 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.25;
}
.app-subtitle {
  margin: 0.125rem 0 0;
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

/* Page shell */
.app-layout {
  display: grid;
  grid-template-columns: 20rem minmax(0, 1fr);
  align-items: start;
  gap: 1.5rem;
  padding: 1.5rem;
}
.settings,
.workspace {
  min-width: 0;
}
.settings {
  display: grid;
  gap: 1rem;
}
.field-stack {
  display: grid;
  gap: 1rem;
}
.panel-body {
  padding: 1rem;
}
.section-title {
  margin: 0 0 1rem;
  font-size: 1rem;
  font-weight: 600;
}
.full-width {
  width: 100%;
}

.error-text {
  color: var(--danger);
}

/* Document tabs / upload / samples */
ot-upload {
  display: block;
  min-height: 128px;
}

.sample-list {
  display: grid;
  gap: 0.5rem;
}
.sample-list button {
  text-align: left;
  width: 100%;
}

.document-selected {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.document-selected p {
  margin: 0 0 0.25rem;
  overflow-wrap: anywhere;
}

.input-with-action {
  display: flex;
  gap: 0.5rem;
}
.input-with-action input {
  flex: 1;
  min-width: 0;
}
.session-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}
.session-actions button {
  flex-shrink: 0;
}

.switch-field {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  white-space: nowrap;
}

/* Empty state */
.empty-state-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 360px;
  border: 1px dashed var(--border);
  border-radius: 8px;
}
.empty-state-card {
  max-width: 440px;
  width: 100%;
  padding: 2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}
.empty-state-card h2 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
}
.empty-state-card p {
  margin: 0;
}
.empty-state-card small,
.empty-document-icon {
  color: var(--muted-foreground);
}
.empty-document-icon {
  margin-bottom: 0.75rem;
}

/* Loaded workspace */
.workspace-loaded {
  display: grid;
  gap: 1.5rem;
}
.pdf-nav {
  display: flex;
  gap: 0.5rem;
}

.inspection-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: 1rem;
  align-items: start;
}
.inspection-panel {
  min-width: 0;
  padding: 0;
}
.panel-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem 0.75rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
}
.panel-header .section-title {
  margin: 0;
}

.text-output {
  white-space: pre-wrap;
  word-wrap: break-word;
  font-size: 1rem;
  line-height: 1.5;
  max-height: 560px;
  overflow-y: auto;
  background: var(--faint);
  border-radius: 6px;
  padding: 0.75rem;
}

.preview-stage {
  background: var(--muted);
  border-radius: 6px;
  padding: 8px;
  height: 65dvh;
  overflow: auto;
  overscroll-behavior: contain;
}
.preview-frame {
  width: max-content;
  min-width: 100%;
}
.preview-frame img {
  display: block;
  max-width: none;
  height: auto;
  margin: 0 auto;
  border: 1px solid var(--border);
  background: var(--card);
}

.eval-results .result-card {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  margin-bottom: 0.75rem;
  background: var(--card);
  color: var(--card-foreground);
}
.page-scope {
  margin-bottom: 1rem;
}
.dataset-link { display: inline-flex; align-items: center; gap: 0.25rem; text-decoration: underline; }
.dataset-hint { display: block; margin-bottom: 0.5rem; }
.evaluation-summary summary {
  font-size: 0.8125rem;
}
.probability-legend {
  display: block;
  color: var(--muted-foreground);
  margin-bottom: 1rem;
}
.eval-results .result-card {
  border: 0;
  border-top: 1px solid var(--border);
  border-radius: 0;
  padding: 1rem 0;
  margin: 0;
  overflow-wrap: anywhere;
}
.result-card h3 {
  margin: 0 0 0.5rem;
  font-size: 0.875rem;
  color: var(--muted-foreground);
  font-weight: 500;
}
.result-card .answer-text {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.probability-meter {
  height: 6px;
  border-radius: 3px;
  background: var(--muted);
  margin: 0.375rem 0 0.75rem;
  overflow: hidden;
}
.probability-meter span {
  display: block;
  height: 100%;
  background: currentColor;
}
.high { color: #166534; }
.medium { color: #92400e; }
.low { color: #b91c1c; }
.result-card details {
  font-size: 0.8125rem;
}
.result-card details .answer-text {
  font-size: 0.9375rem;
  font-weight: 400;
}
.extracted-details .text-output {
  margin-top: 0.75rem;
}
.eval-results .result-card.stale {
  opacity: 0.6;
}
.eval-results .result-card p {
  margin: 0.25rem 0;
}

/* Responsive */
@media (max-width: 1199px) {
  .inspection-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .text-output,
  .preview-stage {
    max-height: none;
  }
}

@media (max-width: 899px) {
  .app-layout {
    grid-template-columns: minmax(0, 1fr);
    padding: 1rem;
  }
}

@media (max-width: 640px) {
  .app-header {
    padding: 0.75rem 1rem;
  }
  .empty-state-wrap {
    min-height: 240px;
  }
}

/* Compact desktop workspace; small screens retain accessible document flow. */
.evaluation-time {
  color: #166534;
  font-size: 0.8125rem;
  margin: 0 0 0.375rem;
}
.preview-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}
.preview-footer { padding: 0.5rem 1rem; }
.preview-footer .pdf-nav { width: 100%; justify-content: space-between; }
.pdf-nav { align-items: center; }
.preview-controls { display: flex; align-items: center; flex-wrap: wrap; gap: 0.375rem; margin-bottom: 0.5rem; }
.preview-controls button { cursor: pointer; min-height: 36px; }
.preview-controls button[aria-pressed="true"] { background: var(--muted); border-color: var(--foreground); }
#zoom-level { min-width: 3.5rem; text-align: center; font-size: 0.8125rem; }
#page-indicator { font-size: 0.8125rem; }
#text-dialog { width: min(48rem, 90vw); max-height: 90dvh; }
.text-dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.text-dialog-header h2 { margin: 0; }
.text-dialog-actions {
  display: flex;
  gap: 0.5rem;
  margin: 0 0 0 auto;
}
#text-dialog .text-output { max-height: 60dvh; margin: 0.75rem 0; }
#open-text { justify-self: start; }
@media (min-width: 1000px) and (min-height: 720px) {
  body { height: 100dvh; display: flex; flex-direction: column; }
  .app-header { flex: 0 0 auto; padding: 0.5rem 1rem; }
  .app-header-titles h1 { font-size: 1.25rem; }
  .app-layout {
    flex: 1;
    min-height: 0;
    grid-template-columns: 17rem minmax(0, 1fr);
    gap: 0.75rem;
    padding: 0.75rem;
    align-items: stretch;
  }
  .settings { gap: 0.5rem; align-content: start; }
  .settings .panel-body { padding: 0.625rem; }
  .settings .section-title { margin-bottom: 0.5rem; }
  .settings .field-stack { gap: 0.375rem; }
  .settings [data-field] { margin: 0; }
  .settings textarea { min-height: 5rem; height: 5rem; resize: none; }
  .settings small { font-size: 0.6875rem; }
  .settings details { padding: 0.375rem; }
  .page-scope { margin-bottom: 0.5rem; }
  .document-selected { margin-top: 0.5rem; padding-top: 0.5rem; }
  #upload-status:empty, #evaluate-hint:empty { display: none; }
  .sample-list { grid-template-columns: 1fr 1fr; gap: 0.25rem; }
  .sample-list button { font-size: 0.6875rem; padding: 0.375rem; }
  .workspace { min-height: 0; }
  .workspace-loaded { height: 100%; min-height: 0; display: flex; flex-direction: column; gap: 0.5rem; }
  .inspection-grid { flex: 1; min-height: 0; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); align-items: stretch; gap: 0.75rem; }
  .eval-results { min-height: 0; display: flex; flex-direction: column; padding: 0.75rem; }
  .inspection-panel { min-height: 0; display: flex; flex-direction: column; }
  .inspection-panel > .panel-body { flex: 1; min-height: 0; display: flex; flex-direction: column; padding: 0.5rem; }
  .preview-stage { flex: 1; min-height: 0; height: 0; }
  #preview-meta { margin: 0.25rem 0; font-size: 0.6875rem; }
  .inspection-panel details { padding: 0.25rem 0.5rem; font-size: 0.75rem; }
  .probability-legend { font-size: 0.6875rem; margin-bottom: 0.5rem; }
}

#results-pane {
  min-height: 0;
  overflow-y: auto;
  max-height: 65dvh;
  scrollbar-gutter: stable;
  padding-right: 0.5rem;
}
@media (min-width: 1000px) and (min-height: 720px) {
  #results-pane { flex: 1; max-height: none; }
}