:root {
  --bg: grey; /*#ece6dc;*/
  --paper: #f8f5ef;
  /* --paper-strong: #fffdf8; outline of text box inputs  */
  --paper-strong: #fefefe; 
  --ink: #1d1d22;
  --muted: #67616d;
  --line: #cbc2ba;
  --maroon: #6d1022;
  --maroon-deep: #4f0b18;
  --button-hover: rgba(170, 92, 106, 0.9);
  --maroon-soft: rgba(109, 16, 34, 0.08);
  /* --mark: #e7d9dc; */
  --mark: rgb(224, 147, 22, 0.4);
  --button-hover: rgba(195, 154, 161);
  --shadow: 0 20px 50px rgba(37, 24, 26, 0.08);
  --mono: "SFMono-Regular", "Menlo", "Consolas", "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  /* font-family: Georgia, "Times New Roman", serif; */
  font-family: "SFMono-Regular", "Menlo", "Consolas";
  background: #f9f9f9;
  /* background: */
    /* radial-gradient(circle at top left, rgba(109, 16, 34, 0.1), transparent 28%), */
    /* linear-gradient(180deg, #f2eee8 0%, #e0dfd4 100%); */
  color: var(--ink);
}

.page-shell {
  position: relative;
  min-height: 100vh;
  padding: 24px;
}

.topbar {
  position: relative;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: start;
  margin-bottom: 10px;
  padding-bottom: 14px;
}

.topbar::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: #1b1b1b;
  z-index: 0;
}

.topbar h1 {
  margin: 0;
  font-size: clamp(0.9rem, 2.2vw, 1.6rem);
  letter-spacing: -0.03em;
}

.home-button {
  cursor: pointer;
}

.home-button:focus-visible {
  outline: 2px solid rgba(109, 16, 34, 0.45);
  outline-offset: 4px;
}

@media (min-width: 981px) {
  .info-button {
    display: inline-flex;
  }
}

.viewer-header h2 {
  margin: 0;
  font-size: clamp(0.6rem, 1.9vw, 1.3rem);
  letter-spacing: -0.03em;
}

.masthead {
  display: flex;
  flex-direction: column;
  gap: 0px;
  width: 100%;
  position: relative;
  z-index: 1;
}

.masthead-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.masthead-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.title-rule {
  display: none;
}

.masthead-subrow {
  display: flex;
  justify-content: flex-end;
  margin: 0px 0 12px;
}

.icon-button {
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(29, 29, 34, 0.18);
  border-radius: 999px;
  background: #fefefe;
  color: rgb(120,120,120,1.0);
  text-decoration: none;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  /* box-shadow: 0 8px 18px rgba(37, 24, 26, 0.08); */
  transition: transform 120ms ease, box-shadow 120ms ease, border-color 120ms ease;
}

.info-button:hover,
.info-button.is-active,
.github-button:hover,
.github-button:focus-visible {
  border: 1.3px solid rgba(109, 16, 34, 0.6);
  /* border-color: rgba(109, 16, 34, 0.45);   */
  /* box-shadow: 0 10px 22px rgba(37, 24, 26, 0.14); */
}

.github-button {
  padding: 0;
  color: rgb(95, 95, 95);
}

.github-button svg {
  width: 15px;
  height: 15px;
  fill: currentColor;
}

/* .info-button:hover { */
  /* transform: translateY(-1px); */
/* } */

.annotation-layer {
  position: absolute;
  inset: 0;
  z-index: 6;
  pointer-events: none;
}

.annotation-items {
  position: relative;
  min-height: 92rem;
}

.annotation-card,
.annotation-line,
.annotation-dot {
  position: absolute;
}

.annotation-card {
  pointer-events: auto;
  padding: 0.7rem 0.8rem;
  border-radius: 2px;
  border: 1px solid rgba(109, 16, 34, 0.42);
  background: rgba(255, 252, 245, 0.97);
  /* background: rgba(244, 244, 244, 0.97); */
  box-shadow: 0 18px 38px rgba(37, 24, 26, 0.14);
  opacity: 0;
  transition: opacity 750ms ease;
}

.annotation-card.is-visible {
  opacity: 1;
}

.annotation-step-label {
  margin: 0 0 0.55rem;
  color: var(--muted);
  font-size: 0.55rem !important;
  letter-spacing: 0.08em;
  text-align: right;
  text-transform: uppercase;
}

.annotation-card h2 {
  margin: 0.05rem 0 0.28rem !important;
  color: var(--maroon);
  font-size: 0.84rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.annotation-card p {
  margin: 0;
  font-size: 0.85rem !important;
  line-height: 1.35 !important;
}

.annotation-link {
  display: inline-block;
  margin-top: 0.55rem;
  color: var(--maroon);
  font-size: 0.72rem;
  font-family: var(--mono);
  pointer-events: auto;
}

.annotation-controls {
  display: flex;
  justify-content: space-between;
  gap: 6px;
  margin-top: 0.7rem;
}

.annotation-control-button {
  border: 1px solid rgba(109, 16, 34, 0.24);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
  color: var(--maroon);
  padding: 0.31rem 0.64rem;
  min-width: 3.35rem;
  font-size: 0.78rem;
  line-height: 1.2;
  font-family: var(--mono);
  cursor: pointer;
}

.annotation-control-button:hover:not(:disabled) {
  border-color: rgba(109, 16, 34, 0.52);
}

.annotation-control-button:disabled {
  opacity: 0.45;
  cursor: default;
}

.annotation-control-button-secondary {
  color: var(--muted);
}

.annotation-control-button-primary {
  background: var(--maroon);
  border-color: var(--maroon);
  color: white;
}

.search-button.is-tour-pressed {
  transform: translateY(1px) scale(0.985);
  filter: brightness(0.96);
  box-shadow: inset 0 0 0 1px rgba(109, 16, 34, 0.26);
}

.annotation-line {
  height: 2px;
  transform-origin: 0 50%;
  background: rgba(224, 181, 31, 0.95);
  box-shadow: 0 0 0 1px rgba(224, 181, 31, 0.12);
  pointer-events: none;
  opacity: 0;
  transition: opacity 750ms ease;
}

.annotation-line.is-visible {
  opacity: 1;
}

.annotation-dot {
  width: 14px;
  height: 14px;
  margin-left: -7px;
  margin-top: -7px;
  padding: 0;
  border-radius: 999px;
  background: #f0c929;
  /* border: 2px solid rgba(109, 16, 34, 0.7); */
  border: 2px solid rgba(109, 16, 34, 0.7);
  box-shadow: 0 0 0 6px rgba(240, 201, 41, 0.18);
  pointer-events: auto;
  cursor: pointer;
  opacity: 0;
  transition: opacity 750ms ease;
}

.annotation-dot.is-visible {
  opacity: 1;
}

.annotation-dot:focus-visible {
  outline: 2px solid rgba(109, 16, 34, 0.7);
  outline-offset: 3px;
}

.random-issue-link {
  border: 0;
  background: transparent;
  padding: 0;
  color: #8e8a90;
  font-size: 0.85rem;
  font-style: italic;
  font-family: var(--mono);
  cursor: pointer;
}

.random-issue-link:hover {
  color: var(--maroon);
}

.masthead-mark {
  width: clamp(42px, 5vw, 72px);
  height: auto;
  object-fit: contain;
  flex-shrink: 0;
  margin-top: 0;
  margin-bottom: 0px;
  align-self: flex-start;
  filter: drop-shadow(0 8px 18px rgba(0, 0, 0, 0.08));
  position: relative;
  z-index: 1;
}

@media (min-width: 981px) {
  .masthead-mark {
    cursor: pointer;
  }
}

.phoenix-feather {
  position: fixed;
  left: 0;
  top: 0;
  width: var(--feather-width, 4px);
  height: var(--feather-height, 8px);
  border-radius: 999px 999px 999px 999px / 80% 80% 35% 35%;
  background: linear-gradient(180deg, rgba(109, 16, 34, 0.92) 0%, rgba(224, 147, 22, 0.82) 100%);
  opacity: 0;
  pointer-events: none;
  transform: translate3d(var(--feather-start-x), var(--feather-start-y), 0) rotate(var(--feather-rotate, 0deg));
  animation: phoenix-feather-burst 710ms ease-out forwards;
  z-index: 12;
}

@keyframes phoenix-feather-burst {
  0% {
    opacity: 0;
    transform:
      translate3d(var(--feather-start-x), var(--feather-start-y), 0)
      rotate(var(--feather-rotate, 0deg))
      scale(0.85);
  }

  18% {
    opacity: 0.95;
  }

  100% {
    opacity: 0;
    transform:
      translate3d(
        calc(var(--feather-start-x) + var(--feather-dx, 0px)),
        calc(var(--feather-start-y) + var(--feather-dy, 0px)),
        0
      )
      rotate(calc(var(--feather-rotate, 0deg) + var(--feather-spin, 0deg)))
      scale(0.55);
  }
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--maroon);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-family: var(--mono);
}

.layout {
  display: grid;
  grid-template-columns: minmax(340px, 460px) minmax(0, 1fr);
  gap: 24px;
}

.results-panel,
.viewer-panel {
  min-height: 150vh;
}

.search-card,
.result-card,
.viewer-panel {
  /* background: rgba(248, 245, 239, 0.94); */
  background: rgba(228, 223, 223, 0.98);
  border: 1px solid var(--line);
  border-radius: 5px;
  box-shadow: var(--shadow);
}

.search-card {
  padding: 18px;
  margin-bottom: 16px;
}

.status-card {
  margin: 4px 0 14px;
  padding: 0 4px;
  background: transparent;
  border: 0;
  box-shadow: none;
}

#status-text {
  margin: 0;
  font-size: 9pt;
  color: var(--muted);
}

#status-text.is-loading {
  color: var(--maroon);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--muted);
  font-size: 0.95rem;
}

.field > span {
  color: var(--maroon);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-family: var(--mono);
}

.field input,
.field select {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper-strong);
  color: var(--ink);
  padding: 9px 14px;
  font-size: 1rem;
}

.field input:focus,
.field select:focus {
  outline: 2px solid rgba(109, 16, 34, 0.14);
  border-color: rgba(109, 16, 34, 0.4);
}

.controls-row {
  display: flex;
  gap: 12px;
  align-items: end;
  margin-top: 14px;
  flex-wrap: wrap;
}

.year-filter-card {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid rgba(109, 16, 34, 0.12);
}

.advanced-search-card {
  margin-top: 18px;
  padding-top: 12px;
}

.advanced-search-summary {
  cursor: pointer;
  color: var(--maroon);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-family: var(--mono);
  list-style: none;
}

.advanced-search-summary::-webkit-details-marker {
  display: none;
}

.advanced-search-summary::after {
  content: " +";
}

.advanced-search-card[open] .advanced-search-summary::after {
  content: " -";
}

.advanced-search-body {
  padding-top: 14px;
}

.search-mode-card {
  padding-top: 14px;
  margin-top: 18px;
  border-top: 1px solid rgba(109, 16, 34, 0.12);
}

.search-mode-header {
  margin-bottom: 12px;
}

.search-mode-inline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.radio-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.radio-chip {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: rgba(254, 254, 254, 0.8);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.9rem;
  cursor: pointer;
  transition: border-color 120ms ease, background-color 120ms ease, box-shadow 120ms ease,
    color 120ms ease;
}

.radio-chip input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.radio-chip:has(input:checked) {
  border-color: rgba(109, 16, 34, 0.8);
  background: rgba(109, 16, 34, 0.1);
  color: var(--maroon-deep);
  border-width:1px;
  box-shadow: inset 0 0 0 1px rgba(109, 16, 34, 0.18);
}

.radio-chip:hover {
  border-color: rgba(109, 16, 34, 0.45);
}

.sampling-row {
  display: grid;
  grid-template-columns: auto 70px auto 70px;
  align-items: center;
  justify-content: end;
  width: fit-content;
  gap: 12px;
  margin-top: 14px;
  margin-left: auto;
}

.sampling-row.is-disabled {
  opacity: 0.55;
}

.sampling-label {
  color: var(--maroon);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-family: var(--mono);
}

.sampling-input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--paper-strong);
  color: var(--ink);
  padding: 8px 10px;
  font-size: 0.95rem;
}

.sampling-input:focus {
  outline: 2px solid rgba(109, 16, 34, 0.14);
  border-color: rgba(109, 16, 34, 0.4);
}

.year-filter-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 0px;
}

.year-filter-label {
  color: var(--maroon);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-family: var(--mono);
}

.year-slider-readout {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-left: auto;
}

.year-slider-label {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 0.82rem;
  font-family: var(--mono);
  flex: 0 0 auto;
}

.year-slider-divider {
  color: rgba(29, 29, 34, 0.42);
  font-size: 0.82rem;
  font-family: var(--mono);
}

.year-value-input {
  width: 4.75rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper-strong);
  color: var(--ink);
  font-size: 0.86rem;
  font-family: var(--mono);
  padding: 3px 6px;
}

.year-value-input:focus {
  outline: 2px solid rgba(109, 16, 34, 0.14);
  border-color: rgba(109, 16, 34, 0.4);
}

.year-dual-slider {
  position: relative;
  height: 50px;
  margin-left: 16px;
  margin-right: 8px;
  --range-start: 0%;
  --range-end: 100%;
}

.year-dual-slider::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 3px;
  transform: translateY(-50%);
  background: rgba(109, 16, 34, 0.18);
  border-radius: 999px;
}

.year-dual-slider::after {
  content: "";
  position: absolute;
  left: var(--range-start);
  width: calc(var(--range-end) - var(--range-start));
  top: 50%;
  height: 5px;
  transform: translateY(-50%);
  background: rgba(109, 16, 34, 0.72);
  border-radius: 999px;
}

.year-tick-marks {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.year-tick-mark {
  position: absolute;
  top: 16px;
  width: 1px;
  height: 10px;
  transform: translateX(-50%);
  background: rgba(29, 29, 34, 0.28);
}

.year-tick-label {
  position: absolute;
  top: 35px;
  transform: translateX(-50%);
  color: var(--muted);
  font-size: 0.68rem;
  font-family: var(--mono);
  white-space: nowrap;
}

.year-slider {
  position: absolute;
  inset: 0;
  width: 100%;
  margin: 0;
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  pointer-events: none;
}

.year-slider::-webkit-slider-runnable-track {
  height: 3px;
  background: transparent;
  border-radius: 999px;
}

.year-slider::-moz-range-track {
  height: 3px;
  background: transparent;
  border-radius: 999px;
}

.year-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 2px;
  border: 1px solid var(--maroon);
  background: var(--paper-strong);
  box-shadow: 0 1px 3px rgba(37, 24, 26, 0.16);
  margin-top: -6px;
  opacity: 1;
  pointer-events: auto;
  cursor: pointer;
}

.year-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 2px;
  border: 1px solid var(--maroon);
  background: var(--paper-strong);
  box-shadow: 0 1px 3px rgba(37, 24, 26, 0.16);
  opacity: 1;
  pointer-events: auto;
  cursor: pointer;
}

.year-slider-start {
  z-index: 4;
}

.year-slider-end {
  z-index: 5;
}

.compact-field {
  min-width: 150px;
}

.controls-row .compact-field:first-child {
  min-width: 214px;
  flex: 0 0 214px;
}

.controls-row .compact-field:nth-child(2) {
  min-width: 88px;
  flex: 0 0 88px;
}

#backend-select,
#limit-input {
  width: 100%;
}

.search-button,
.result-meta button {
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--maroon);
  color: white;
  padding: 7px 16px;
  font-size: 0.84rem;
  cursor: pointer;
  font-family: var(--mono);
  letter-spacing: 0.02em;
  transition:
    filter 140ms ease,
    background-color 140ms ease,
    box-shadow 140ms ease;
}

.search-button:hover,
.result-meta button:hover {
  filter: brightness(1.08);
  box-shadow: inset 0 0 0 1px var(--button-hover);
}

.search-button:active,
.result-meta button:active,
.viewer-link:active {
  filter: brightness(0.98);
}

.status-card {
  color: var(--muted);
}

.results-list {
  display: grid;
  gap: 14px;
}

.result-card {
  padding: 18px;
}

.result-card.is-selected {
  border-color: var(--maroon);
  box-shadow:
    0 0 0 2px rgba(109, 16, 34,0.7),
    var(--shadow);
}

.result-card h3 {
  margin: 0;
  font-size: 1.2rem;
  line-height: 1.25;
  flex: 1 1 auto;
  min-width: 0;
}

.result-card p {
  margin: 0;
  font-size:0.9rem;
}

.result-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 10px;
}

.result-kicker {
  color: var(--muted);
  flex: 0 1 auto;
  max-width: 45%;
  font-family: var(--mono);
  font-size: 0.8rem;
  text-align: right;
  white-space: normal;
  overflow-wrap: anywhere;
}

.result-snippet {
  line-height: 1.45;
  margin-bottom: 14px !important;
  font-size: 0.85rem !important;
}

.result-snippet-wrap {
  position: relative;
}

.result-fulltext {
  white-space: pre-wrap;
  line-height: 1.5;
  margin-bottom: 14px;
  font-size: 0.75rem;
}

.snippet-toggle {
  position: absolute;
  right: 0;
  bottom: -2px;
  border: 0;
  background: transparent;
  color: var(--maroon);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  padding: 4px 6px;
}

.result-snippet mark {
  background: rgba(109, 16, 34, 0.16);
  color: inherit;
  padding: 0 3px;
  border-radius: 3px;
}

.result-fulltext mark {
  background: rgba(109, 16, 34, 0.16);
  color: inherit;
  padding: 0 3px;
  border-radius: 3px;
}

.result-snippet mark.semantic-mark,
.result-fulltext mark.semantic-mark {
  background: var(--mark);
  box-shadow: inset 0 -1px 0 rgba(224, 147, 22, 0.18);
}

.result-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.8rem;
  font-family: var(--mono);
}

.viewer-panel {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: sticky;
  top: 24px;
  align-self: start;
  background:
    /* linear-gradient(180deg, rgba(248, 245, 239, 0.98) 0%, rgba(242, 236, 229, 0.98) 100%); */
    linear-gradient(180deg, rgba(223, 218, 218, 0.98) 0%, rgba(212, 205, 204, 0.98) 100%);

}

.viewer-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0px;
  padding: 20px 22px 0;
}

.viewer-main {
  flex: 1;
}

.viewer-topline {
  display: flex;
  align-items: baseline;
  margin-bottom: 6px;
}

.viewer-heading {
  display: flex;
  justify-content: flex-start;
  align-items: baseline;
  gap: 25px;
  flex-wrap: wrap;
}

#viewer-title {
  max-width: 22ch;
  flex: 0 1 auto;
}

.viewer-subtitle {
  margin: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.8rem;
  white-space: nowrap;
  flex: 0 1 auto;
}

.viewer-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  margin-left: auto;
  flex-shrink: 0;
}

.viewer-mode-button {
  border: 0;
  background: transparent;
  color: var(--maroon);
  padding: 0;
  margin-top: 1px;
  font-size: 0.78rem;
  cursor: pointer;
  font-family: var(--mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  text-align: right;
  align-self: flex-end;
  white-space: nowrap;
}

.viewer-mode-button:hover {
  color: var(--maroon-deep);
}

.viewer-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--maroon);
  color: white;
  text-decoration: none;
  padding: 6px 12px;
  font-size: 0.82rem;
  font-family: var(--mono);
  transition:
    filter 140ms ease,
    background-color 140ms ease,
    box-shadow 140ms ease;
  align-self: flex-end;
  margin-top: 5px;
  white-space: nowrap;
}

.viewer-link:hover {
  filter: brightness(1.08);
  box-shadow: inset 0 0 0 1px var(--button-hover);
}

.pagination-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin: 10px 0 14px;
  color: var(--muted);
  font-size: 0.8rem;
  font-family: var(--mono);
}

.pagination-button {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 0;
  font-size: 0.8rem;
  font-family: var(--mono);
  cursor: pointer;
}

.pagination-button:hover:not(:disabled) {
  color: var(--maroon);
}

.pagination-button:disabled {
  opacity: 0.45;
  cursor: default;
}

.collapse-viewer-edge {
  display: none;
  position: fixed;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  border: 0;
  background: transparent;
  color: rgba(109, 16, 34, 0.55);
  font-family: var(--mono);
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  cursor: pointer;
  z-index: 5;
  padding: 6px 8px;
}

.collapse-viewer-edge:hover {
  color: var(--maroon);
}

.viewer-subtitle {
  max-width: 44ch;
}

.pdf-frame {
  width: 100%;
  min-height: max(185vh, calc(100vh - 140px));
  border: 0;
  margin-top: 18px;
  background: rgba(238, 233, 233);
  /* background:
    linear-gradient(180deg, rgba(40, 16, 34, 0.04), transparent 120px),
    #ede6db; */
}

@media (max-width: 980px) {
  .page-shell {
    padding: 16px;
  }

  .layout {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .topbar {
    flex-direction: row;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
  }

  .masthead {
    flex: 1 1 auto;
    min-width: 0;
  }

  .masthead-mark {
    display: block;
    width: 52px;
    flex: 0 0 auto;
    align-self: center;
  }

  .masthead-title-row {
    align-items: center;
    gap: 10px;
  }

  .info-button {
    display: none;
  }

  .topbar h1 {
    font-size: clamp(1.1rem, 5vw, 1.5rem);
    line-height: 1.05;
  }

  .masthead-subrow {
    justify-content: flex-start;
    margin-bottom: 14px;
  }

  .random-issue-link {
    font-size: 0.8rem;
  }

  .results-panel,
  .viewer-panel {
    min-height: auto;
  }

  .search-card,
  .result-card {
    padding: 14px;
  }

  .field input,
  .field select,
  .search-button {
    min-height: 40px;
  }

  .query-input-row {
    gap: 8px;
  }

  .controls-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 88px;
    align-items: stretch;
    gap: 10px;
  }

  .compact-field,
  .controls-row .compact-field:first-child,
  .controls-row .compact-field:nth-child(2) {
    min-width: 0;
    flex: initial;
  }

  .search-button {
    grid-column: 1 / -1;
    width: 100%;
    min-height: 38px;
    padding: 8px 14px;
  }

  .year-filter-header,
  .result-header,
  .result-meta,
  .viewer-header {
    flex-direction: column;
    align-items: stretch;
  }

  .search-mode-inline {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
  }

  .radio-row {
    display: flex;
    flex-wrap: nowrap;
    gap: 8px;
  }

  .radio-chip {
    flex: 1 1 0;
    justify-content: center;
    min-width: 0;
    padding: 7px 10px;
    font-size: 0.84rem;
  }

  .sampling-row {
    grid-template-columns: auto minmax(0, 1fr) auto minmax(0, 1fr);
    justify-content: stretch;
    width: 100%;
    gap: 8px;
    margin-left: 0;
  }

  .sampling-label {
    margin-top: 2px;
  }

  .year-slider-readout {
    width: 100%;
    justify-content: space-between;
    margin-left: 0;
    gap: 8px;
  }

  .year-slider-label {
    flex: 1 1 0;
  }

  .year-slider-label input {
    width: 100%;
  }

  .year-dual-slider {
    margin-left: 0;
    margin-right: 0;
  }

  .year-tick-label {
    font-size: 0.6rem;
  }

  .result-card h3,
  .viewer-header h2 {
    font-size: 1rem;
  }

  .result-kicker,
  .viewer-subtitle {
    max-width: none;
    text-align: left;
    white-space: normal;
  }

  .result-meta {
    gap: 10px;
  }

  .result-meta button,
  .viewer-link,
  .viewer-mode-button {
    justify-content: center;
    text-align: center;
  }

  .viewer-panel {
    position: relative;
    top: 0;
    border-radius: 5px;
  }

  .viewer-header {
    gap: 12px;
    padding: 16px 16px 0;
  }

  .viewer-main {
    display: flex;
    align-items: baseline;
    gap: 10px;
    min-width: 0;
  }

  .viewer-topline {
    display: none;
  }

  .viewer-heading {
    display: flex;
    flex-direction: row;
    align-items: baseline;
    gap: 8px;
    flex: 1 1 auto;
    min-width: 0;
  }

  .viewer-actions {
    width: 100%;
    flex-direction: row;
    align-items: center;
    gap: 8px;
    margin-left: 0;
  }

  .viewer-mode-button {
    flex: 1 1 0;
    min-width: 0;
    padding: 8px 10px;
    border: 1px solid rgba(109, 16, 34, 0.22);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.08em;
    font-size: 0.68rem;
  }

  body.pdf-focus-mode .viewer-mode-button {
    display: none;
  }

  .viewer-link {
    flex: 1 1 0;
    min-width: 0;
    margin-top: 0;
    padding: 8px 10px;
    font-size: 0.74rem;
  }

  .collapse-viewer-edge {
    position: static;
    transform: none;
    flex: 0 0 auto;
    display: none;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    padding: 8px 10px;
    border: 1px solid rgba(109, 16, 34, 0.22);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.7);
    color: var(--maroon);
    font-size: 0.72rem;
    letter-spacing: 0.02em;
  }

  .pdf-frame {
    min-height: calc(100vh - 200px);
    margin-top: 14px;
  }

  .annotation-layer {
    position: static;
    margin: 0 0 18px;
    pointer-events: auto;
  }

  .annotation-items {
    min-height: auto;
    display: grid;
    gap: 12px;
  }

  .annotation-card {
    position: static;
    width: auto !important;
  }

  .annotation-line,
  .annotation-dot {
    display: none;
  }
}

body.pdf-focus-mode .layout {
  grid-template-columns: 1fr;
}

body.pdf-focus-mode .results-panel {
  display: none;
}

body.pdf-focus-mode .collapse-viewer-edge {
  display: block;
}

body.pdf-focus-mode .viewer-panel {
  position: relative;
  top: 0;
  min-height: auto;
}

body.pdf-focus-mode .viewer-header {
  position: sticky;
  top: 0;
  z-index: 2;
  padding-bottom: 14px;
  background: linear-gradient(180deg, rgba(223, 218, 218, 0.98) 0%, rgba(223, 218, 218, 0.95) 100%);
  border-bottom: 1px solid rgba(109, 16, 34, 0.08);
}

body.pdf-focus-mode .pdf-frame {
  min-height: max(220vh, calc(100vh - 120px));
}

@media (max-width: 980px) {
  body.pdf-focus-mode .viewer-panel {
    min-height: calc(100vh - 32px);
  }

  body.pdf-focus-mode .viewer-header {
    padding: 16px;
    background: linear-gradient(180deg, rgba(223, 218, 218, 0.98) 0%, rgba(223, 218, 218, 0.95) 100%);
  }

  body.pdf-focus-mode .collapse-viewer-edge {
    display: inline-flex;
  }

  body.pdf-focus-mode .pdf-frame {
    min-height: calc(100vh - 170px);
    margin-top: 0;
  }
}