/* ============================================================
   World Shitscale — page styles. Builds on the StudioBlank
   tokens in styles.css: monochrome, flat, no radius, no shadows.
   Signature: the scale itself, a 0–100 ruler with a needle.
   ============================================================ */

:root {
  --ss-thumb: 28px;      /* year slider thumb */
  --ss-chart-pl: 32px;   /* chart plot inset, kept in sync with JS */
  --ss-chart-pr: 14px;
}

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

.ss-main {
  flex: 1 1 auto;
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
}

/* Type -------------------------------------------------------------------- */
.ss-label {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-info);
}

.ss-title {
  font-weight: 700;
  font-size: clamp(40px, 8.5vw, 80px);
  line-height: 1;
  letter-spacing: -0.035em;
  margin-bottom: var(--space-3);
}

.ss-lede {
  font-size: clamp(16px, 2.2vw, 18px);
  max-width: 52ch;
}

.ss-h2 {
  font-weight: 700;
  font-size: clamp(26px, 4.5vw, 36px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}

.ss-h3 {
  font-weight: 700;
  font-size: 16px;
  line-height: 1.4;
  margin-bottom: var(--space-1);
}

.ss-section-lede {
  max-width: 60ch;
  margin-bottom: var(--space-5);
}

.ss-note {
  font-size: 14px;
  color: var(--color-info);
  line-height: 1.6;
  max-width: 64ch;
}

.ss-noscript {
  border: 1px solid var(--color-tertiary);
  padding: var(--space-3);
  margin-top: var(--space-4);
}

.ss-main a {
  color: var(--color-primary);
  text-underline-offset: 3px;
}

/* Sections ---------------------------------------------------------------- */
.ss-hero {
  padding: var(--space-6) 0 0;
}

.ss-section {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-primary);
}

/* Reading: year (light) vs score (bold) — weight contrast ------------------ */
.ss-reading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--space-3);
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
}

.ss-year,
.ss-score {
  font-size: clamp(64px, 15vw, 152px);
  line-height: 0.9;
  letter-spacing: -0.05em;
  font-variant-numeric: tabular-nums;
}

.ss-year {
  font-weight: 300;
}

.ss-reading-score {
  text-align: right;
}

.ss-score {
  font-weight: 700;
}

.ss-score-max {
  font-weight: 300;
  font-size: 0.25em;
  letter-spacing: 0;
  color: var(--color-info);
  margin-left: 0.15em;
}

.ss-band {
  font-weight: 700;
  font-size: clamp(16px, 2.4vw, 20px);
  margin-top: var(--space-2);
}

/* The ruler (signature) --------------------------------------------------- */
.ss-ruler {
  position: relative;
  margin-top: var(--space-4);
}

.ss-ruler-bands {
  position: relative;
  height: 20px;
  margin-bottom: var(--space-1);
}

.ss-ruler-band {
  position: absolute;
  top: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-info);
  white-space: nowrap;
  transform: translateX(-50%);
  transition: color var(--transition);
}

.ss-ruler-band.is-current {
  color: var(--color-primary);
}

.ss-ruler-track {
  position: relative;
  height: 40px;
  border-bottom: 2px solid var(--color-primary);
}

.ss-tick {
  position: absolute;
  bottom: 0;
  width: 1px;
  height: 8px;
  background: var(--color-tertiary);
}
.ss-tick.is-5 {
  height: 14px;
  background: var(--border-hover);
}
.ss-tick.is-10 {
  height: 20px;
  background: var(--color-primary);
}
.ss-tick.is-band {
  height: 40px;
  background: var(--color-primary);
}

.ss-ruler-range {
  position: absolute;
  bottom: 0;
  height: 100%;
  background: var(--color-tertiary);
  opacity: 0.5;
}

.ss-ruler-needle {
  position: absolute;
  bottom: -8px;
  height: calc(100% + 16px);
  width: 4px;
  margin-left: -2px;
  background: var(--color-primary);
  transition: left var(--transition);
}

.ss-ruler-nums {
  position: relative;
  height: 20px;
  margin-top: var(--space-2);
}

.ss-ruler-nums span {
  position: absolute;
  top: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-info);
  transform: translateX(-50%);
}
.ss-ruler-nums span:first-child {
  transform: none;
}
.ss-ruler-nums span:last-child {
  transform: translateX(-100%);
}

.ss-confidence {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-2);
  align-items: baseline;
  font-size: 14px;
  margin-top: var(--space-3);
}

/* Timeline: chart + slider as its axis ------------------------------------ */
.ss-timeline {
  margin-top: var(--space-6);
}

.ss-chart {
  width: 100%;
  height: 220px;
  touch-action: pan-y;
}

.ss-chart svg {
  display: block;
  cursor: ew-resize;
}

.ss-chart .band { fill: var(--color-tertiary); opacity: 0.6; }
.ss-chart .line { fill: none; stroke: var(--color-primary); stroke-width: 2; }
.ss-chart .grid { stroke: var(--color-tertiary); stroke-width: 1; }
.ss-chart .break { stroke: var(--border-hover); stroke-width: 1; stroke-dasharray: 2 4; }
.ss-chart .cursor { stroke: var(--color-primary); stroke-width: 1; }
.ss-chart .dot { fill: var(--color-primary); }
.ss-chart text {
  font-family: var(--font-mono);
  font-size: 11px;
  fill: var(--color-info);
}

/* Range inputs: flat, square thumb */
.ss-range {
  -webkit-appearance: none;
  appearance: none;
  display: block;
  width: 100%;
  height: 32px;
  background: transparent;
  cursor: pointer;
  margin: 0;
}

.ss-range::-webkit-slider-runnable-track { height: 2px; background: var(--color-primary); }
.ss-range::-moz-range-track { height: 2px; background: var(--color-primary); }

.ss-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  margin-top: -9px;
  border: 2px solid var(--color-primary);
  border-radius: 0;
  background: var(--color-primary);
  transition: background-color var(--transition);
}
.ss-range::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border: 2px solid var(--color-primary);
  border-radius: 0;
  background: var(--color-primary);
  transition: background-color var(--transition);
}

.ss-range:hover::-webkit-slider-thumb,
.ss-range:active::-webkit-slider-thumb { background: var(--color-secondary); }
.ss-range:hover::-moz-range-thumb,
.ss-range:active::-moz-range-thumb { background: var(--color-secondary); }

.ss-range:focus { outline: none; }
.ss-range:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 4px; }

/* The year slider sits exactly under the chart's plot area: the thumb's
   centre lines up with the chart cursor. */
.ss-range-year {
  height: 44px;
  margin-left: calc(var(--ss-chart-pl) - var(--ss-thumb) / 2);
  width: calc(100% - var(--ss-chart-pl) - var(--ss-chart-pr) + var(--ss-thumb));
}
.ss-range-year::-webkit-slider-thumb {
  width: var(--ss-thumb);
  height: var(--ss-thumb);
  margin-top: calc(var(--ss-thumb) / -2 + 1px);
}
.ss-range-year::-moz-range-thumb {
  width: calc(var(--ss-thumb) - 4px);
  height: calc(var(--ss-thumb) - 4px);
}

.ss-axis {
  position: relative;
  height: 16px;
  margin-left: var(--ss-chart-pl);
  margin-right: var(--ss-chart-pr);
}
.ss-axis span {
  position: absolute;
  top: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-info);
  transform: translateX(-50%);
}
.ss-axis span:first-child { transform: none; }

.ss-timeline-foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  margin: var(--space-4) 0 var(--space-3);
}

.ss-timeline-foot .ss-note {
  color: var(--color-primary);
}

/* Chips and buttons ------------------------------------------------------- */
.ss-jumps-wrap,
.ss-presets-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-3);
}

.ss-presets-wrap {
  margin-bottom: var(--space-4);
}

.ss-jumps,
.ss-presets {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.ss-chip {
  font-family: var(--font-mono);
  font-size: 12px;
  height: 32px;
  min-width: 44px;
  padding: 0 var(--space-2);
  border: 1px solid var(--color-tertiary);
  border-radius: 0;
  background: var(--surface-card);
  color: var(--color-primary);
  cursor: pointer;
  transition: border-color var(--transition), background-color var(--transition), color var(--transition);
}
.ss-chip:hover { border-color: var(--color-primary); }
.ss-chip:active { background: var(--color-tertiary); }
.ss-chip[aria-pressed="true"] {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-secondary);
}

.btn-secondary {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  height: 40px;
  padding: 0 var(--space-3);
  border: 1px solid var(--color-primary);
  border-radius: 0;
  background: transparent;
  color: var(--color-primary);
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition);
}
.btn-secondary:hover {
  background: var(--color-primary);
  color: var(--color-secondary);
}

/* Reasons ----------------------------------------------------------------- */
.ss-why {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: var(--space-5);
  align-items: start;
}

.ss-era-title {
  font-weight: 700;
  font-size: 18px;
  margin-bottom: var(--space-2);
}

.ss-era-text {
  font-size: 18px;
  max-width: 52ch;
}

.ss-extremes {
  display: flex;
  flex-direction: column;
}

.ss-extremes > div {
  border-top: 1px solid var(--color-tertiary);
  padding: var(--space-3) 0;
}

.ss-extremes dd {
  margin-top: var(--space-1);
  font-weight: 400;
}

/* Factors ----------------------------------------------------------------- */
.ss-dims {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5) var(--space-4);
}

.ss-dim {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.ss-dim-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-2);
}

.ss-dim-name {
  font-weight: 700;
  font-size: 16px;
}

.ss-dim-score {
  font-weight: 300;
  font-size: 40px;
  line-height: 1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

.ss-bar {
  position: relative;
  height: 4px;
  background: var(--color-tertiary);
}

.ss-bar-fill {
  height: 100%;
  background: var(--color-primary);
  transition: width var(--transition);
}

.ss-dim .ss-note {
  min-height: 3.2em;
}

.ss-ind-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  font-size: 14px;
}

.ss-ind {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-2);
  border-top: 1px solid var(--color-tertiary);
  padding: var(--space-2) 0;
}

.ss-ind-name {
  color: var(--color-info);
}

.ss-ind-val {
  font-weight: 500;
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.ss-ind-unit {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 400;
  color: var(--color-info);
  white-space: normal;
}

/* Weights ----------------------------------------------------------------- */
.ss-weights {
  display: flex;
  flex-direction: column;
}

.ss-weight {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) 2fr 64px;
  align-items: center;
  gap: var(--space-3);
  border-top: 1px solid var(--color-tertiary);
  padding: var(--space-2) 0;
}
.ss-weight:last-child {
  border-bottom: 1px solid var(--color-tertiary);
}

.ss-weight label {
  font-weight: 500;
  font-size: 15px;
}

.ss-weight output {
  font-weight: 700;
  font-size: 20px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.ss-weights-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.ss-copy-status {
  font-size: 14px;
  color: var(--color-success);
}

/* Perception / method ----------------------------------------------------- */
.ss-perception {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5) var(--space-4);
}

.ss-perception > div {
  border-top: 1px solid var(--color-tertiary);
  padding-top: var(--space-3);
}

.ss-method ol {
  padding-left: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-width: 64ch;
  margin-bottom: var(--space-4);
}

.ss-sources {
  margin-top: var(--space-4);
  border-top: 1px solid var(--color-tertiary);
  border-bottom: 1px solid var(--color-tertiary);
  padding: var(--space-3) 0;
}

.ss-sources summary {
  cursor: pointer;
  font-weight: 500;
}

.ss-sources ul {
  list-style: none;
  margin: var(--space-3) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: 14px;
}

.ss-sources li span {
  color: var(--color-info);
}

/* Responsive -------------------------------------------------------------- */
@media (max-width: 880px) {
  .ss-dims {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .ss-ruler-bands {
    display: none;
  }
  .ss-why,
  .ss-perception,
  .ss-dims {
    grid-template-columns: 1fr;
  }
  .ss-dim .ss-note {
    min-height: 0;
  }
  .ss-weight {
    grid-template-columns: 1fr 64px;
    gap: 0 var(--space-3);
  }
  .ss-weight input {
    grid-column: 1 / -1;
    grid-row: 2;
  }
}

@media (max-width: 600px) {
  :root {
    --ss-chart-pl: 28px;
  }
  .ss-hero {
    padding-top: var(--space-5);
  }
  .ss-section {
    margin-top: var(--space-6);
    padding-top: var(--space-5);
  }
  .ss-chart {
    height: 180px;
  }
  .ss-ruler-nums .is-odd {
    display: none;
  }
  .ss-reading {
    margin-top: var(--space-5);
  }
  .ss-timeline-foot {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Provenance tag on indicator values ("est.", "2023 data") ---------------- */
.ss-ind-tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 400;
  color: var(--color-info);
}
.ss-ind-tag:empty {
  display: none;
}

/* History table ----------------------------------------------------------- */
.ss-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  font-variant-numeric: tabular-nums;
}
.ss-table th {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-info);
  text-align: left;
  padding: 0 var(--space-2) var(--space-2) 0;
  border-bottom: 1px solid var(--color-primary);
}
.ss-table td {
  padding: var(--space-2) var(--space-2) var(--space-2) 0;
  border-bottom: 1px solid var(--color-tertiary);
  vertical-align: top;
}
.ss-table td.ss-num {
  font-weight: 700;
}
.ss-table td:last-child,
.ss-table th:last-child {
  padding-right: 0;
}
.ss-table caption {
  caption-side: bottom;
  text-align: left;
  font-size: 13px;
  color: var(--color-info);
  padding-top: var(--space-2);
}

/* FAQ --------------------------------------------------------------------- */
.ss-faq {
  display: flex;
  flex-direction: column;
  max-width: 72ch;
}
.ss-faq > div {
  border-top: 1px solid var(--color-tertiary);
  padding: var(--space-3) 0;
}
.ss-faq dt,
.ss-faq h3 {
  font-weight: 700;
  font-size: 18px;
  margin-bottom: var(--space-1);
}

/* Sources list ------------------------------------------------------------ */
.ss-source-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin: var(--space-3) 0;
}
.ss-source-name {
  font-weight: 500;
}
.ss-source-links {
  list-style: none;
  font-size: 14px;
}
.ss-downloads {
  margin-top: var(--space-4);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  margin-bottom: var(--space-2);
  font-weight: 500;
}

/* Feedback form ----------------------------------------------------------- */
.ss-feedback {
  max-width: 560px;
}
.field select {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-primary);
  background: var(--surface-card);
  border: 1px solid var(--color-tertiary);
  border-radius: 0;
  height: 40px;
  padding: 0 var(--space-3);
  width: 100%;
  transition: border-color var(--transition);
}
.field select:hover {
  border-color: var(--border-hover);
}
.field select:focus {
  outline: none;
  border: 2px solid var(--color-primary);
}

@media (max-width: 600px) {
  .ss-table {
    font-size: 14px;
  }
  .ss-table .ss-hide-sm {
    display: none;
  }
}