/* Self-hosted web fonts (latin subset, woff2). Licenses in /fonts/LICENSES/. */
@font-face {
  font-family: 'Archivo Black';
  src: url('../fonts/archivo-black-latin.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Space Grotesk';
  src: url('../fonts/space-grotesk-latin.woff2') format('woff2');
  font-weight: 300 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'JetBrains Mono';
  src: url('../fonts/jetbrains-mono-latin.woff2') format('woff2');
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg:    rgb(250 250 247);
  --ink:   #0a0a0a;
  --mute:  #70706a;
  --mute-2:#a8a8a2;
  --rule:  2px solid var(--ink);
  --hair:  1px solid var(--ink);

  /* Fluid type & spacing scale — continuous between mobile and desktop */
  --pad-x:       clamp(16px, 3vw, 40px);
  --pad-y:       clamp(16px, 2.5vw, 32px);
  --wordmark:    clamp(44px, 9vw, 96px);
  --chart-title: clamp(22px, 3vw, 32px);
  --stat-val:    clamp(36px, 6vw, 58px);
  --chart-h:     clamp(360px, 42vw, 440px);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  background: var(--bg);
  color: var(--ink);
  min-height: 100%;
}

body {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizelegibility;
}

.page {
  max-width: 1440px;
  margin: 0 auto;
  padding: var(--pad-y) var(--pad-x);
  padding-bottom: clamp(32px, 4vw, 56px);
}

/* ============ masthead ============ */
.masthead {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: start;
  column-gap: clamp(12px, 2vw, 24px);
  padding-bottom: 20px;
  border-bottom: var(--rule);
}

.wordmark {
  font-family: 'Archivo Black', sans-serif;
  font-size: var(--wordmark);
  letter-spacing: -0.04em;
  line-height: 0.85;
}

.tagline {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mute);
  margin-top: 14px;
}

.tagline b {
  color: var(--ink);
  font-weight: 500;
}

.masthead-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  align-self: start;
}

.cog {
  background: transparent;
  border: 0;

  /* Clamp padding so the cog's bounding box stays above the wordmark
     baseline at narrow widths while keeping the 34px SVG hit target. */
  padding: clamp(0px, 0.6vw, 6px);
  cursor: pointer;
  color: var(--ink);
  display: inline-flex;
}
.cog:hover { opacity: 0.55; }

/* ============ tabs ============ */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: var(--rule);

  /* Contain overflow so the page never horizontal-scrolls while the
     measurement-based tab-fit logic (charts.js) classifies state A/B/C. */
  overflow: hidden;
}

.tab {
  padding: 18px 22px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mute);
  cursor: pointer;
  white-space: nowrap;
  display: flex;
  align-items: baseline;
  gap: 10px;
  background: transparent;
  border: 0;
}
.tab:hover { color: var(--ink); }

.tab.on {
  color: var(--bg);
  background: var(--ink);
}

.tab .idx {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  opacity: 0.55;
}
.tab.on .idx { opacity: 0.75; }

/* Tab label states — see fitTabs() in static/js/charts.js.
   State A (default): full label shown, short hidden.
   State B (.tabs--abbrev): full hidden, short shown.
   State C (.tabs--no-idx): ordinal also hidden. */
.tab .label-short                   { display: none; }
.tabs.tabs--abbrev .tab .label-full { display: none; }
.tabs.tabs--abbrev .tab .label-short{ display: inline; }
.tabs.tabs--no-idx .tab .idx        { display: none; }

/* Tighten tab padding once at the tablet range so the measurement logic has
   more runway before falling back to state B/C. Stops at a single reduction
   so tab height stays close to the mobile dropdown height. */
@media (width <= 1023px) {
  .tab { padding: 16px; }
}

/* Mobile dropdown alternative — hidden above 600px. */
.tabs-mobile { display: none; }

@media (width <= 599px) {
  .tabs { display: none; }

  .tabs-mobile {
    display: block;
    width: 100%;
    padding: 18px 44px 18px 22px;
    background: var(--ink);
    color: var(--bg);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    border: 0;
    border-bottom: var(--rule);
    border-radius: 0;
    cursor: pointer;
    line-height: 1.2;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none' stroke='%23fafaf7' stroke-width='1.6'%3E%3Cpath d='M1 1 L6 7 L11 1'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 20px center;
  }

  .tabs-mobile:focus {
    outline: 2px solid var(--bg);
    outline-offset: -4px;
  }
}

/* ============ chart section ============ */
.chart-section {
  padding: 36px 0 32px;
  border-bottom: var(--rule);
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.chart-header h2 {
  font-family: 'Archivo Black', sans-serif;
  font-size: var(--chart-title);
  letter-spacing: -0.025em;
  line-height: 1;
  text-transform: uppercase;
}

.chart-header .sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--mute);
  margin-top: 10px;
}

.chart-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-align: right;
  color: var(--mute);
  line-height: 1.7;
}

.chart-meta b {
  color: var(--ink);
  font-weight: 500;
}

/* Twin-variant content inside subtitle and meta — the JS emits both copies
   and the breakpoint below decides which is visible. See charts.js
   selectTab() and renderChartMeta(). */
.chart-header .sub-short,
.chart-meta .meta-short {
  display: none;
}

@media (width <= 767px) {
  .chart-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 22px;
  }

  .chart-header .sub-full {
    display: none;
  }

  .chart-header .sub-short {
    display: inline;
  }

  .chart-meta {
    text-align: left;
    line-height: 1.6;
  }

  .chart-meta .meta-full {
    display: none;
  }

  .chart-meta .meta-short {
    display: block;
  }

  .chart-section {
    padding: 24px 0 22px;
  }
}

#chart {
  width: 100%;
  height: var(--chart-h);
}

.legend-flat {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  margin-top: 24px;
  padding-top: 18px;
  border-top: var(--hair);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.04em;
}

.legend-flat .leg {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
}
.legend-flat .leg.off { opacity: 0.3; }

.legend-flat .sw {
  width: 12px;
  height: 12px;
  display: inline-block;
  border: 1.5px solid var(--ink);
}
.legend-flat .leg.off .sw { background: transparent !important; }

.legend-ctrl {
  display: inline-flex;
  gap: 14px;
  margin-left: auto;
  padding-left: 22px;
  color: var(--mute);
  text-transform: uppercase;
  letter-spacing: 0.18em;
}
.legend-ctrl span { cursor: pointer; }
.legend-ctrl span:hover { color: var(--ink); }

/* ============ stats ============ */
.stats {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  border-bottom: var(--rule);
}

.stat {
  padding: 28px 0;
  padding-right: 32px;
  border-right: var(--hair);
}
.stat + .stat { padding-left: 32px; }
.stat:last-child { border-right: none; }

/* Tablet — distance tile spans row 1; rides + speed split row 2. */
@media (width <= 1023px) {
  .stats { grid-template-columns: 1fr 1fr; }

  .stat--distance {
    grid-column: 1 / -1;
    padding-right: 0;
    border-right: none;
    border-bottom: var(--hair);
  }
  .stat--distance + .stat { padding-left: 0; }
}

/* Mobile — all three tiles stacked. */
@media (width <= 599px) {
  .stats { grid-template-columns: 1fr; }

  .stat {
    padding: 22px 0;
    border-right: none;
    border-bottom: var(--hair);
  }
  .stat + .stat    { padding-left: 0; }
  .stat:last-child { border-bottom: none; }
  .stat--distance  { padding-right: 0; }
}

.stat-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 18px;
}

.stat-val {
  font-family: 'Archivo Black', sans-serif;
  font-size: var(--stat-val);
  letter-spacing: -0.04em;
  line-height: 0.88;
}
.stat-val.small { font-size: var(--stat-val); }

.stat-val .unit {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 500;
  font-size: 15px;
  color: var(--mute);
  margin-left: 8px;
  letter-spacing: 0;
}

.stat-foot {
  margin-top: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
}

.stat-foot b {
  color: var(--ink);
  font-weight: 500;
}

.foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 18px;
  padding: 14px 0 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mute);
}

.foot-links {
  display: inline-flex;
  gap: 18px;
}

/* ============ utility: hidden ============ */
.hidden { display: none !important; }

/* ============ loading overlay ============ */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink);
}

/* ============ settings dialog ============ */
dialog.settings-dialog {
  width: min(560px, calc(100vw - 48px));
  max-height: calc(100vh - 48px);
  border: 2px solid var(--ink);
  background: var(--bg);
  color: var(--ink);
  padding: 0;
  margin: auto;
}

dialog.settings-dialog::backdrop {
  background: rgb(10 10 10 / 45%);
}

.settings-dialog__body {
  padding: 24px 28px 28px;
  overflow-y: auto;
  max-height: calc(100vh - 48px);
}

.settings-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 16px;
  border-bottom: var(--rule);
  margin-bottom: 22px;
}

.settings-title {
  font-family: 'Archivo Black', sans-serif;
  font-size: 24px;
  letter-spacing: -0.025em;
  line-height: 1;
  text-transform: uppercase;
}

.settings-close {
  background: transparent;
  border: 0;
  padding: 4px;
  cursor: pointer;
  color: var(--ink);
  display: inline-flex;
}
.settings-close:hover { opacity: 0.55; }

.settings-section { margin-bottom: 26px; }

.settings-section--divided {
  border-top: var(--rule);
  padding-top: 22px;
}

.settings-section__label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 12px;
}

.adapter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-bottom: var(--hair);
  margin-bottom: 18px;
}

.adapter-tab {
  flex: 1 1 auto;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mute);
  background: transparent;
  border: 0;
  padding: 10px 14px;
  cursor: pointer;
  text-align: center;
  white-space: nowrap;
}
.adapter-tab:hover { color: var(--ink); }

.adapter-tab.active {
  background: var(--ink);
  color: var(--bg);
}

.adapter-info {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  line-height: 1.7;
  letter-spacing: 0.06em;
  color: var(--mute);
  margin-bottom: 18px;
}
.adapter-info:empty { display: none; }

.adapter-config { margin-top: 12px; }
.adapter-config:empty { display: none; }

.adapter-status {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
  margin-top: 14px;
  min-height: 1.5em;
}
.adapter-status:empty { display: none; }

.settings-footer {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 18px;
  padding-top: 18px;
  border-top: var(--rule);
  flex-wrap: wrap;
}

.data-stats {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
}

.data-stats b {
  color: var(--ink);
  font-weight: 500;
}

.footer-actions {
  display: flex;
  gap: 18px;
  align-items: baseline;
}

.btn-link {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
}

.btn-link:hover {
  text-decoration: underline;
}

.btn-link--danger {
  color: #b00020;
}

.btn-link--danger:hover {
  text-decoration: underline;
  text-decoration-color: #b00020;
}

.btn-brut {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 14px 20px;
  border: 2px solid var(--ink);
  background: var(--bg);
  color: var(--ink);
  cursor: pointer;
  text-align: center;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

.btn-brut:hover {
  background: var(--ink);
  color: var(--bg);
}

.btn-brut:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: var(--bg);
  color: var(--mute);
}

.btn-brut--primary {
  background: var(--ink);
  color: var(--bg);
}

.btn-brut--primary:hover {
  background: var(--bg);
  color: var(--ink);
}

.user-name-form .btn-brut {
  width: auto;
  flex: 0 0 auto;
  padding: 12px 18px;
}

.adapter-config .btn-brut + .btn-brut {
  margin-top: 10px;
}

.drop-zone {
  display: block;
  border: 2px dashed var(--ink);
  padding: 28px 16px;
  text-align: center;
  cursor: pointer;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  line-height: 1.8;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
}

.drop-zone:hover,
.drop-zone.drag-over { color: var(--ink); }

.drop-zone__browse {
  text-decoration: underline;
  cursor: pointer;
  color: var(--ink);
}

.text-input,
.url-input {
  display: block;
  width: 100%;
  box-sizing: border-box;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink);
  background: var(--bg);
  border: 2px solid var(--ink);
  padding: 12px 14px;
  margin-bottom: 10px;
  outline: none;
}

.url-input::placeholder,
.text-input::placeholder { color: var(--mute); }

.url-input:focus,
.text-input:focus { background: var(--bg); }

.user-name-form {
  display: flex;
  gap: 10px;
  align-items: stretch;
  margin-bottom: 8px;
}

.user-name-form .text-input {
  margin-bottom: 0;
  flex: 1 1 auto;
}

.url-display {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink);
  border: var(--hair);
  padding: 10px 14px;
  margin-bottom: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sync-toggle {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 12px;
  cursor: pointer;
}

.sync-toggle input[type="checkbox"] {
  margin: 2px 0 0;
  accent-color: var(--ink);
  cursor: pointer;
  flex: 0 0 auto;
}

.sync-toggle__body {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  line-height: 1.6;
}

.sync-toggle__label {
  display: block;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
}

.sync-toggle__hint {
  display: block;
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--mute);
  margin-top: 2px;
}

.hint {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  line-height: 1.7;
  letter-spacing: 0.06em;
  color: var(--mute);
  margin-top: 12px;
}
.hint--success { color: var(--ink); }

.hint--error {
  color: var(--ink);
  border-top: var(--hair);
  padding-top: 8px;
}

.hint a {
  color: inherit;
}

/* ============ welcome dialog ============ */
dialog.welcome-dialog {
  width: min(520px, calc(100vw - 48px));
  border: 2px solid var(--ink);
  background: var(--bg);
  color: var(--ink);
  padding: 0;
  margin: auto;
}

dialog.welcome-dialog::backdrop {
  background: var(--bg);
}

.welcome-dialog__body {
  padding: 32px 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.welcome-brand {
  border-bottom: var(--rule);
  padding-bottom: 18px;
}

.welcome-wordmark {
  font-family: 'Archivo Black', sans-serif;
  font-size: 48px;
  letter-spacing: -0.04em;
  line-height: 0.9;
}

.welcome-tagline {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mute);
  margin-top: 10px;
}

.welcome-copy {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink);
}

.welcome-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.welcome-foot {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mute);
  border-top: var(--hair);
  padding-top: 14px;
}

/* ============ legal pages (legal.html, privacy.html) ============ */
.legal-page .masthead {
  grid-template-columns: 1fr;
}

.wordmark-link {
  color: inherit;
  text-decoration: none;
  display: inline-block;
}
.wordmark-link:hover { opacity: 0.7; }

.legal-body {
  max-width: 720px;
  padding: clamp(28px, 4vw, 48px) 0 clamp(40px, 5vw, 64px);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink);
}

.legal-body h2 {
  font-family: 'Archivo Black', sans-serif;
  font-size: var(--chart-title);
  letter-spacing: -0.025em;
  line-height: 1;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.legal-body h3 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink);
  margin-top: 32px;
  margin-bottom: 12px;
  padding-top: 16px;
  border-top: var(--hair);
}

.legal-body h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14px;
  font-weight: 700;
  margin-top: 20px;
  margin-bottom: 8px;
}

.legal-body p { margin-bottom: 14px; }

.legal-body ul {
  margin: 0 0 14px 22px;
  padding: 0;
}

.legal-body li { margin-bottom: 6px; }

.legal-body code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  background: rgb(10 10 10 / 6%);
  padding: 1px 5px;
}

.legal-body a {
  color: var(--ink);
  text-decoration: underline;
}
.legal-body a:hover { opacity: 0.7; }

.legal-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 8px;
}

.legal-foot {
  margin-top: 40px;
  padding-top: 18px;
  border-top: var(--rule);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

/* ============ dashboard footer links ============ */
.foot a:any-link {
  color: inherit;
  text-decoration: none;
}

.foot a:hover {
  color: var(--ink);
  text-decoration: underline;
}

/* ============ storage banner ============ */
.storage-banner {
  padding: 10px 16px;
  border-bottom: var(--hair);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink);
  text-align: center;
}