:root {
  color-scheme: dark;
  --ink: #e7f3f5;
  --muted: #98adb5;
  --panel: #0c1b27;
  --panel-raised: #102534;
  --line: #244152;
  --accent: #2dd4bf;
  --accent-bright: #67e8d6;
  --accent-dark: #073d3c;
  --warning: #fbbf24;
  --danger: #fb7185;
  --page: #061019;
  --tool-bg: #081721;
  --tool-border: #1b3646;
  --control-bg: #07141f;
  --control-border: #193345;
  --selected-shadow: rgb(0 0 0 / 24%);
  --subtle-bg: rgb(5 17 25 / 52%);
  --subtle-border: rgb(255 255 255 / 7%);
  --field-bg: #07141e;
  --field-border: #345064;
  --focus-ring: rgb(45 212 191 / 12%);
  --toolbar-ink: #b8e7df;
  --toolbar-bg: rgb(45 212 191 / 8%);
  --toolbar-border: rgb(45 212 191 / 24%);
  --toolbar-hover: rgb(45 212 191 / 15%);
  --primary-ink: #031715;
  --primary-shadow: rgb(45 212 191 / 18%);
  --secondary-border: #466073;
  --secondary-hover: rgb(255 255 255 / 5%);
  --help-border: rgb(103 232 214 / 55%);
  --tooltip-bg: #020a10;
  --tooltip-border: #466073;
  --progress-track: #122734;
  --console-ink: #b7ded8;
  --console-bg: #030b11;
  --console-border: #203a49;
  --console-shadow: rgb(0 0 0 / 35%);
  --download-bg: rgb(5 17 25 / 55%);
  --error-ink: #2b0710;
  --error-shadow: rgb(251 113 133 / 25%);
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}

:root[data-theme="light"] {
  color-scheme: light;
  --ink: #102a32;
  --muted: #48636c;
  --panel: #ffffff;
  --panel-raised: #f7fbfb;
  --line: #b7ccd0;
  --accent: #08766d;
  --accent-bright: #06635c;
  --accent-dark: #d8f3ef;
  --warning: #8a5d00;
  --danger: #b4233d;
  --page: #edf4f5;
  --tool-bg: #f7fbfb;
  --tool-border: #b7ccd0;
  --control-bg: #e5eff1;
  --control-border: #b3c7cc;
  --selected-shadow: rgb(16 42 50 / 14%);
  --subtle-bg: #f5fafa;
  --subtle-border: #c8d9dc;
  --field-bg: #ffffff;
  --field-border: #7897a0;
  --focus-ring: rgb(8 118 109 / 20%);
  --toolbar-ink: #075e58;
  --toolbar-bg: #e2f5f1;
  --toolbar-border: #75aba3;
  --toolbar-hover: #ceeae5;
  --primary-ink: #ffffff;
  --primary-shadow: rgb(8 118 109 / 20%);
  --secondary-border: #7897a0;
  --secondary-hover: #e5eff1;
  --help-border: #408f87;
  --tooltip-bg: #ffffff;
  --tooltip-border: #7897a0;
  --progress-track: #cfdee1;
  --console-ink: #b7ded8;
  --console-bg: #030b11;
  --console-border: #49616f;
  --console-shadow: rgb(0 0 0 / 25%);
  --download-bg: #f5fafa;
  --error-ink: #ffffff;
  --error-shadow: rgb(180 35 61 / 22%);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--page);
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background: var(--page);
}

main {
  flex: 1;
}

.theme-toggle {
  position: fixed;
  top: 12px;
  right: 16px;
  z-index: 30;
  min-height: 34px;
  padding: 5px 10px;
  color: var(--toolbar-ink);
  font-size: 0.74rem;
  font-weight: 750;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 7px;
  box-shadow: 0 3px 12px var(--selected-shadow);
  cursor: pointer;
}

.theme-toggle:hover {
  border-color: var(--accent);
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
}

[hidden] {
  display: none !important;
}

.page-shell {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.page-shell {
  padding-block: 32px 64px;
}

.tool-selector.page-shell {
  width: min(1280px, calc(100% - 40px));
}

.selector-intro {
  max-width: 850px;
  margin-bottom: 24px;
}

.selector-intro p {
  margin-bottom: 5px;
  color: var(--muted);
  line-height: 1.5;
}

.privacy-note {
  font-size: 0.82rem;
}

.tool-groups {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(620px, 2fr);
  gap: 18px;
}

.tool-group {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.tool-group h2 {
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.tool-grid {
  display: grid;
  flex: 1;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.tool-groups .tool-group:first-child .tool-grid {
  grid-template-columns: 1fr;
}

.tool-option {
  --tool-accent: var(--accent-bright);
  --tool-wash: color-mix(in srgb, var(--tool-accent) 12%, transparent);
  display: flex;
  min-width: 0;
  min-height: 238px;
  flex-direction: column;
  padding: 12px 14px 16px;
  color: var(--ink);
  text-decoration: none;
  background: var(--tool-bg);
  border: 1px solid var(--tool-border);
  border-top: 4px solid var(--tool-accent);
  border-radius: 7px;
  transition:
    background-color 140ms ease,
    border-color 140ms ease,
    box-shadow 140ms ease,
    transform 140ms ease;
}

.tool-volume {
  --tool-accent: #a9c9fa;
}

.tool-volume-range {
  --tool-accent: #f1cf63;
}

.tool-channel-finder {
  --tool-accent: #d6c8ca;
}

.tool-channel {
  --tool-accent: #f0c2c7;
}

.tool-solvent {
  --tool-accent: #d9b8ec;
}

.tool-tunnel {
  --tool-accent: #c6e8aa;
}

.tool-art {
  display: grid;
  min-height: 126px;
  place-items: center;
  padding: 4px 12px;
  background: var(--tool-wash);
  border-bottom: 1px solid var(--tool-accent);
  border-radius: 5px;
}

.tool-art img {
  display: block;
  width: min(190px, 82%);
  height: auto;
  filter: drop-shadow(0 0 1px rgb(255 255 255 / 40%));
}

:root[data-theme="light"] .tool-volume {
  --tool-accent: #315c95;
}

:root[data-theme="light"] .tool-volume-range {
  --tool-accent: #6e5100;
}

:root[data-theme="light"] .tool-channel-finder {
  --tool-accent: #65575a;
}

:root[data-theme="light"] .tool-channel {
  --tool-accent: #80505a;
}

:root[data-theme="light"] .tool-solvent {
  --tool-accent: #68417f;
}

:root[data-theme="light"] .tool-tunnel {
  --tool-accent: #41662c;
}

:root[data-theme="light"] .tool-art img {
  filter: none;
}

.tool-option strong {
  margin-top: 13px;
  color: var(--tool-accent);
  font-size: 1rem;
  line-height: 1.25;
}

.tool-description {
  margin-top: 7px;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.45;
}

.tool-option:hover {
  background: var(--panel-raised);
  border-color: var(--tool-accent);
  box-shadow: 0 10px 24px var(--selected-shadow);
  transform: translateY(-2px);
}

.tool-option:focus-visible {
  border-color: var(--tool-accent);
  outline: none;
  box-shadow:
    0 0 0 3px var(--page),
    0 0 0 6px var(--tool-accent);
}

.breadcrumbs {
  padding-block: 28px 0;
  font-size: 0.78rem;
  font-weight: 700;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.breadcrumbs li {
  display: flex;
  gap: 7px;
  align-items: center;
}

.breadcrumbs li + li::before {
  color: var(--muted);
  content: "/";
}

.breadcrumbs a {
  color: var(--accent-bright);
  text-decoration: none;
}

.breadcrumbs a:hover,
.breadcrumbs a:focus-visible {
  text-decoration: underline;
}

.breadcrumbs [aria-current="page"] {
  color: var(--muted);
}

.breadcrumbs:not([hidden]) + main > .page-shell {
  padding-top: 12px;
}

.tool-intro {
  max-width: 900px;
  margin: 0 auto 20px;
}

.tool-intro p {
  margin-bottom: 5px;
  color: var(--muted);
  line-height: 1.5;
}

.tool-intro .privacy-note {
  font-size: 0.82rem;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  max-width: 800px;
  margin-bottom: 8px;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
}

h2 {
  margin-bottom: 5px;
  font-size: 1.32rem;
  letter-spacing: -0.025em;
}

.calculation-card,
.stats-card,
.viewer-card,
.downloads-card,
.results-table-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.calculation-card {
  max-width: 1180px;
  padding: clamp(18px, 3vw, 28px);
  margin-inline: auto;
}

.form-columns {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 30px;
}

.form-section {
  min-width: 0;
}

.card-heading {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 16px;
}

.card-heading p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.segmented-control {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
  padding: 6px;
  margin-bottom: 16px;
  background: var(--control-bg);
  border: 1px solid var(--control-border);
  border-radius: 14px;
}

.segmented-control input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.segmented-control span {
  display: grid;
  min-height: 44px;
  place-items: center;
  padding: 8px 12px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
  border-radius: 9px;
  cursor: pointer;
}

.segmented-control input:checked + span {
  color: var(--ink);
  background: var(--panel-raised);
  box-shadow: 0 4px 15px var(--selected-shadow);
}

.segmented-control input:focus-visible + span {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.input-panel {
  padding: 16px;
  background: var(--subtle-bg);
  border: 1px solid var(--subtle-border);
  border-radius: 14px;
}

.input-panel > label:first-child,
.parameter-grid > label > span:first-child {
  display: block;
  margin-bottom: 8px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.input-with-hint,
.unit-input {
  display: flex;
  align-items: center;
}

input[type="text"],
input[type="number"],
select,
textarea,
input[type="file"] {
  width: 100%;
  color: var(--ink);
  background: var(--field-bg);
  border: 1px solid var(--field-border);
  border-radius: 10px;
  outline: none;
}

input[type="text"],
input[type="number"],
select {
  min-height: 44px;
  padding: 0 15px;
}

textarea {
  padding: 14px;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  line-height: 1.45;
}

input[type="file"] {
  padding: 11px;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.input-with-hint input {
  flex: 0 0 170px;
  font-size: 1.15rem;
  font-weight: 800;
  text-transform: uppercase;
}

.input-with-hint > span {
  margin-left: 14px;
  color: var(--muted);
  font-size: 0.8rem;
}

.check-row {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-top: 14px;
  cursor: pointer;
}

.check-row input {
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  accent-color: var(--accent);
}

.check-row strong,
.check-row small {
  display: block;
}

.check-row strong {
  font-size: 0.9rem;
}

.check-row small,
.field-note,
.parameter-grid small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.77rem;
  line-height: 1.5;
}

hr {
  margin: 24px 0;
  border: 0;
  border-top: 1px solid var(--line);
}

.parameter-grid,
.filter-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.parameter-grid label {
  min-width: 0;
}

.unit-input input {
  border-radius: 10px 0 0 10px;
}

.unit-input abbr {
  display: grid;
  flex: 0 0 48px;
  min-height: 44px;
  place-items: center;
  color: var(--accent-bright);
  font-weight: 800;
  text-decoration: none;
  background: var(--accent-dark);
  border: 1px solid var(--field-border);
  border-left: 0;
  border-radius: 0 10px 10px 0;
}

.filter-grid {
  margin-top: 18px;
}

.tool-specific-fields,
.method-note {
  padding: 14px;
  margin: 18px 0 0;
  background: var(--subtle-bg);
  border: 1px solid var(--subtle-border);
  border-radius: 12px;
}

.tool-specific-fields legend {
  padding: 0 6px;
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 800;
}

.tool-specific-fields > small,
.method-note span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.77rem;
  line-height: 1.5;
}

.coordinate-grid,
.channel-filter-grid {
  display: grid;
  gap: 10px;
}

.coordinate-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.channel-filter-grid {
  grid-template-columns: minmax(0, 1.5fr) minmax(100px, 0.5fr);
}

.coordinate-grid label,
.channel-filter-grid label {
  color: var(--muted);
  font-size: 0.77rem;
  font-weight: 750;
}

.coordinate-grid input,
.channel-filter-grid input,
.channel-filter-grid select {
  margin-top: 6px;
}

.method-note strong,
.method-note span {
  display: block;
}

.method-note strong {
  color: var(--accent-bright);
  font-size: 0.82rem;
}

.check-row.compact {
  min-height: 66px;
  padding: 11px;
  margin: 0;
  background: var(--subtle-bg);
  border: 1px solid var(--subtle-border);
  border-radius: 12px;
}

.check-row.wide {
  grid-column: 1 / -1;
}

.preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: 16px;
  color: var(--muted);
  font-size: 0.78rem;
}

.preset,
.viewer-toolbar button {
  min-height: 36px;
  padding: 7px 11px;
  color: var(--toolbar-ink);
  background: var(--toolbar-bg);
  border: 1px solid var(--toolbar-border);
  border-radius: 8px;
  cursor: pointer;
}

.preset:hover,
.viewer-toolbar button:hover {
  background: var(--toolbar-hover);
}

.action-row {
  display: flex;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  margin-top: 20px;
  border-top: 1px solid var(--line);
}

.limit-note strong,
.limit-note span {
  display: block;
}

.limit-note strong {
  color: var(--accent-bright);
  font-size: 0.8rem;
}

.limit-note span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.74rem;
}

.primary-button,
.secondary-button {
  min-height: 46px;
  padding: 0 22px;
  font-weight: 850;
  border-radius: 12px;
  cursor: pointer;
}

.primary-button {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: center;
  color: var(--primary-ink);
  background: var(--accent);
  border: 0;
  box-shadow: 0 12px 30px var(--primary-shadow);
}

.primary-button:hover {
  background: var(--accent-bright);
  transform: translateY(-1px);
}

.primary-button:disabled {
  cursor: wait;
  opacity: 0.5;
}

.secondary-button {
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--secondary-border);
}

.secondary-button:hover {
  background: var(--secondary-hover);
}

.help-tip {
  position: relative;
  display: inline-grid;
  width: 16px;
  height: 16px;
  margin-left: 3px;
  place-items: center;
  color: var(--accent-bright);
  font-size: 0.68rem;
  font-weight: 800;
  line-height: 1;
  vertical-align: 1px;
  border: 1px solid var(--help-border);
  border-radius: 50%;
  cursor: help;
}

.help-tip::after {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  z-index: 20;
  width: min(300px, 72vw);
  padding: 9px 11px;
  color: var(--ink);
  font-size: 0.76rem;
  font-weight: 400;
  line-height: 1.4;
  text-align: left;
  text-transform: none;
  letter-spacing: normal;
  content: attr(data-tooltip);
  background: var(--tooltip-bg);
  border: 1px solid var(--tooltip-border);
  border-radius: 5px;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%);
  pointer-events: none;
}

.help-tip:hover::after,
.help-tip:focus::after {
  opacity: 1;
  visibility: visible;
}

.help-tip:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.state-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 70vh;
  text-align: center;
}

.state-panel h1 {
  max-width: 760px;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
}

.state-panel > p:not(.eyebrow) {
  color: var(--muted);
}

.progress-track {
  width: min(560px, 100%);
  height: 6px;
  margin: 20px 0 26px;
  overflow: hidden;
  background: var(--progress-track);
  border-radius: 999px;
}

.progress-bar {
  width: 36%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  animation: progress 1.6s ease-in-out infinite;
}

@keyframes progress {
  from {
    transform: translateX(-120%);
  }
  to {
    transform: translateX(380%);
  }
}

.console {
  width: min(760px, 100%);
  height: 230px;
  padding: 18px;
  margin-bottom: 24px;
  overflow: auto;
  color: var(--console-ink);
  font:
    0.82rem/1.65 ui-monospace,
    SFMono-Regular,
    Menlo,
    Consolas,
    monospace;
  text-align: left;
  white-space: pre-wrap;
  background: var(--console-bg);
  border: 1px solid var(--console-border);
  border-radius: 12px;
  box-shadow: inset 0 10px 30px var(--console-shadow);
}

.results-heading {
  display: flex;
  gap: 30px;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 34px;
}

.results-heading h1 {
  margin-bottom: 10px;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
}

.results-heading p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.result-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(300px, 0.75fr);
  gap: 22px;
}

.viewer-card {
  min-width: 0;
  overflow: hidden;
}

.viewer-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  min-height: 58px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
}

.viewer-toolbar > div {
  display: flex;
  gap: 12px;
  align-items: center;
}

.viewer-toolbar label {
  display: flex;
  gap: 6px;
  align-items: center;
  color: var(--muted);
  font-size: 0.78rem;
}

.viewer-toolbar input[type="checkbox"] {
  accent-color: var(--accent);
}

.viewer-toolbar input[type="range"] {
  width: 90px;
  accent-color: var(--accent);
}

.surface-layer-panel {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 88%, var(--accent) 12%);
}

.surface-layer-heading,
.surface-layer-heading > div,
.surface-layer-actions,
.surface-layer-list,
.surface-layer-item {
  display: flex;
  gap: 10px;
  align-items: center;
}

.surface-layer-heading {
  justify-content: space-between;
  margin-bottom: 10px;
}

.surface-layer-heading strong {
  font-size: 0.82rem;
}

#surface-layer-count {
  color: var(--muted);
  font-size: 0.72rem;
}

.surface-layer-actions button,
.surface-layer-item button,
.layer-action,
.layer-download {
  min-height: 34px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-raised);
  color: var(--ink);
  font: inherit;
  font-size: 0.72rem;
  cursor: pointer;
}

.surface-layer-actions button:hover,
.surface-layer-item button:hover,
.layer-action:hover,
.layer-download:hover {
  border-color: var(--accent);
}

.surface-layer-list {
  flex-wrap: wrap;
  max-height: 132px;
  overflow-y: auto;
}

.surface-layer-item {
  padding: 5px 8px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--panel);
}

.surface-layer-item[data-selected="true"] {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.surface-layer-item input {
  width: 17px;
  height: 17px;
  margin: 0;
}

.surface-swatch {
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
  border: 1px solid rgb(255 255 255 / 55%);
  border-radius: 50%;
  box-shadow: 0 0 0 1px rgb(0 0 0 / 35%);
}

.surface-layer-item button {
  min-height: 28px;
  padding: 3px 7px;
  border: 0;
  background: transparent;
}

.results-table-card tr[data-selected="true"] {
  background: color-mix(in srgb, var(--accent-dark) 55%, transparent);
}

.layer-label {
  display: inline-flex;
  gap: 8px;
  align-items: center;
}

.layer-action,
.layer-download {
  display: inline-block;
  white-space: nowrap;
}

#surface-opacity-value {
  min-width: 3ch;
  color: var(--ink);
  font-size: 0.76rem;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

#viewer {
  height: 590px;
  background: radial-gradient(circle at center, #102b3b, #07131f 70%);
}

:root[data-theme="light"] #viewer {
  background: radial-gradient(circle at center, #ffffff, #edf4f5 70%);
}

#viewer:fullscreen {
  width: 100vw;
  height: 100vh;
}

.viewer-help {
  padding: 10px 14px;
  margin: 0;
  color: var(--muted);
  font-size: 0.72rem;
  text-align: center;
  border-top: 1px solid var(--line);
}

.stats-card {
  padding: 24px;
}

.stats-card h2 {
  padding-bottom: 18px;
  margin-bottom: 0;
  border-bottom: 1px solid var(--line);
}

.stats-card dl {
  margin: 0;
}

.stats-card dl div {
  display: flex;
  gap: 16px;
  align-items: baseline;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--subtle-border);
}

.stats-card dt {
  color: var(--muted);
  font-size: 0.78rem;
}

.stats-card dd {
  margin: 0;
  font-weight: 750;
  text-align: right;
}

.primary-stats dd {
  color: var(--accent-bright);
  font-size: 1.05rem;
}

.detail-stats {
  margin-top: 9px !important;
}

.detail-stats dd {
  font-size: 0.79rem;
}

.results-table-card {
  padding: 24px;
  margin-top: 22px;
}

.results-table-card h2 {
  margin-bottom: 14px;
}

.results-table-card > p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.table-scroll {
  overflow-x: auto;
}

.results-table-card table {
  width: 100%;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}

.results-table-card th,
.results-table-card td {
  padding: 10px 12px;
  text-align: right;
  border-bottom: 1px solid var(--subtle-border);
}

.results-table-card th:first-child,
.results-table-card td:first-child {
  text-align: left;
}

.results-table-card th {
  color: var(--muted);
  font-size: 0.74rem;
  letter-spacing: 0.03em;
}

.results-table-card td {
  font-size: 0.82rem;
}

.downloads-card {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 30px;
  padding: 28px;
  margin-top: 22px;
}

.downloads-card h2 {
  margin-bottom: 0;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
}

.download-grid a {
  display: flex;
  flex-direction: column;
  min-height: 110px;
  justify-content: center;
  padding: 15px;
  color: var(--ink);
  text-decoration: none;
  background: var(--download-bg);
  border: 1px solid var(--subtle-border);
  border-radius: 11px;
}

.download-grid a:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.download-grid strong {
  color: var(--accent-bright);
  font-size: 0.88rem;
}

.download-grid span {
  margin-top: 7px;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.4;
}

.error-mark {
  display: grid;
  width: 84px;
  height: 84px;
  place-items: center;
  margin-bottom: 26px;
  color: var(--error-ink);
  font-size: 2.5rem;
  font-weight: 900;
  background: var(--danger);
  border-radius: 50%;
  box-shadow: 0 0 40px var(--error-shadow);
}

.site-footer {
  color: var(--muted);
  background: var(--panel);
  border-top: 2px solid var(--accent);
}

.footer-inner {
  display: flex;
  width: min(1180px, calc(100% - 40px));
  min-height: 76px;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
  margin-inline: auto;
  padding-block: 15px;
}

.footer-links {
  display: flex;
  flex: 0 0 auto;
  gap: 18px;
}

.footer-links a {
  color: var(--accent-bright);
  font-size: 0.8rem;
  font-weight: 750;
  text-decoration: none;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  text-decoration: underline;
}

.footer-inner p {
  max-width: 720px;
  margin: 0;
  font-size: 0.74rem;
  line-height: 1.45;
  text-align: right;
}

#error-message {
  max-width: 680px;
  margin-bottom: 28px;
  font-size: 1.05rem;
  line-height: 1.6;
}

@media (max-width: 900px) {
  .tool-groups,
  .form-columns,
  .result-layout,
  .downloads-card {
    grid-template-columns: 1fr;
  }

  .tool-groups .tool-group:first-child .tool-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stats-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .stats-card h2 {
    grid-column: 1 / -1;
  }

  .download-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 650px) {
  .page-shell {
    width: min(100% - 24px, 1180px);
  }

  .tool-selector.page-shell {
    width: min(100% - 24px, 1280px);
  }

  .page-shell {
    padding-block: 24px 48px;
  }

  .breadcrumbs {
    padding-block: 20px 0;
  }

  .breadcrumbs:not([hidden]) + main > .page-shell {
    padding-top: 10px;
  }

  h1 {
    font-size: 1.8rem;
  }

  .tool-grid,
  .segmented-control,
  .parameter-grid,
  .filter-grid,
  .download-grid,
  .stats-card {
    grid-template-columns: 1fr;
  }

  .tool-option {
    min-height: 0;
  }

  .tool-groups .tool-group:first-child .tool-grid {
    grid-template-columns: 1fr;
  }

  .tool-art {
    min-height: 112px;
  }

  .segmented-control span {
    min-height: 46px;
  }

  .input-with-hint {
    align-items: flex-start;
    flex-direction: column;
  }

  .input-with-hint input {
    width: 100%;
    flex-basis: auto;
  }

  .input-with-hint > span {
    margin: 7px 0 0;
  }

  .action-row,
  .results-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .footer-inner,
  .footer-links {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-inner {
    width: min(100% - 24px, 1180px);
    gap: 10px;
  }

  .footer-inner p {
    text-align: left;
  }

  .primary-button,
  .secondary-button {
    width: 100%;
  }

  .viewer-toolbar,
  .viewer-toolbar > div,
  .surface-layer-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  #viewer {
    height: 440px;
  }

  .stats-card h2 {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
  }

  .tool-option {
    transition: none;
  }

  .tool-option:hover {
    transform: none;
  }

  .progress-bar {
    animation: none;
  }
}