/* Shipstack "How it works". Tokens match the Next.js site (app/globals.css). */

@font-face {
  font-family: "Geist";
  src: url("/how-it-works/fonts/Geist-Variable.ttf") format("truetype");
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: "Geist Mono";
  src: url("/how-it-works/fonts/GeistMono-Variable.ttf") format("truetype");
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --sc-canvas: #f3f3f0;
  --sc-surface: #ffffff;
  --sc-ink: #131416;
  --sc-ink-soft: #4d4f56;
  --sc-accent: #2a45e0;
  --sc-accent-ink: #ffffff;
  --sc-font-display: "Geist", system-ui, sans-serif;
  --sc-font-text: "Geist", system-ui, sans-serif;
  --sc-font-mono: "Geist Mono", ui-monospace, monospace;
  --sc-shadow-color: 230 12% 30%;

  --dim: #64666e;
  --line: #dcdcd5;
  --line-strong: #c4c4bb;
  --tab: #e6e6e0;
  --sunk: #ebebe6;
  --accent-soft: rgba(42, 69, 224, 0.08);
  --accent-line: rgba(42, 69, 224, 0.35);
  --go: #0b7a4b;
  --row-h: 52px;
  --bar-h: 56px;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --sc-canvas: #0e0f12;
  --sc-surface: #16181c;
  --sc-ink: #edeef0;
  --sc-ink-soft: #b0b3bb;
  --sc-accent: #8fa0ff;
  --sc-accent-ink: #0e0f12;
  --sc-shadow-color: 230 30% 2%;
  --dim: #8c8f98;
  --line: #262930;
  --line-strong: #363a43;
  --tab: #1d2025;
  --sunk: #121317;
  --accent-soft: rgba(143, 160, 255, 0.12);
  --accent-line: rgba(143, 160, 255, 0.4);
  --go: #5fd39a;
  color-scheme: dark;
}

body {
  font-size: 15px;
  line-height: 1.5;
}

:root[data-theme="dark"] body {
  letter-spacing: 0.004em;
}

.num {
  font-family: var(--sc-font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ------------------------------------------------------------ app chrome -- */

.bar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--sc-z-chrome);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  height: var(--bar-h);
  padding-inline: max(1rem, calc((100vw - 72rem) / 2 + 1rem));
  background: var(--sc-canvas);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 44px;
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.brand svg {
  width: 22px;
  height: 22px;
  color: var(--sc-accent);
}

.tabs {
  display: flex;
  gap: 0.1rem;
  margin-left: auto;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.tabs a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 0.6rem;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--sc-ink-soft);
  text-decoration: none;
  white-space: nowrap;
  transition: color 150ms var(--sc-ease-out), background-color 150ms var(--sc-ease-out);
}

.tabs a:hover {
  color: var(--sc-ink);
}

.tabs a[aria-current="page"] {
  color: var(--sc-ink);
  background: var(--tab);
}

.theme {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--sc-ink-soft);
  cursor: pointer;
}

.theme svg {
  width: 20px;
  height: 20px;
}

.theme:hover {
  color: var(--sc-ink);
}

/* --------------------------------------------------------------- surface -- */

.stage {
  display: grid;
  place-items: center;
  padding: calc(var(--bar-h) + 1.25rem) 1rem 1.25rem;
}

.act-week .stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
}

/* ----------------------------------------------------------------- intro -- */

.intro {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem 2rem;
  width: min(70rem, 100%);
}

.intro-copy {
  max-width: 44rem;
}

.intro-title {
  margin: 0;
  font-size: clamp(1.9rem, 1.4rem + 1.8vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1;
}

.intro-lede {
  margin: 0.6rem 0 0;
  font-size: 1.0625rem;
  line-height: 1.5;
  color: var(--sc-ink-soft);
}

.intro-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.play {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0 1.1rem;
  border: 0;
  border-radius: 10px;
  background: var(--sc-accent);
  color: var(--sc-accent-ink);
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 120ms var(--sc-ease-out), background-color 150ms var(--sc-ease-out);
}

.play:hover {
  background: color-mix(in srgb, var(--sc-accent) 88%, var(--sc-ink));
}

.play:active {
  transform: translateY(1px);
}

.play svg {
  width: 14px;
  height: 14px;
}

.play .i-pause,
.play[aria-pressed="true"] .i-play {
  display: none;
}

.play[aria-pressed="true"] .i-pause {
  display: inline;
}

.intro-or {
  font-size: 14px;
  color: var(--dim);
}

.surface {
  width: min(70rem, 100%);
  padding: 1.25rem 1.5rem 1.5rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--sc-surface);
  box-shadow: var(--sc-e2), var(--sc-edge);
}

.surface-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
}

.head-left {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
}

.surface-title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.1;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 0 0.5rem;
  border-radius: 6px;
  background: var(--tab);
  color: var(--sc-ink-soft);
  font-size: 12.5px;
  font-weight: 500;
  white-space: nowrap;
}

.tag-accent,
.tag-sample {
  background: var(--accent-soft);
  color: var(--sc-accent);
}

.tag-closed {
  background: var(--sc-ink);
  color: var(--sc-canvas);
  opacity: clamp(0, calc((var(--sc-p, 0) - 0.17) * 14), 1);
}

.status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 1rem;
  margin: 0;
  font-size: 14px;
  color: var(--sc-ink-soft);
}

.clock {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 0.65rem;
  border-radius: 8px;
  background: var(--sc-ink);
  color: var(--sc-canvas);
  font-size: 14px;
  font-weight: 500;
}

.take b {
  color: var(--sc-ink);
  font-weight: 600;
}

/* -------------------------------------------------------------- timeline -- */

.timeline {
  position: relative;
  margin: 1.1rem 0 0.9rem;
}

.timeline-track {
  position: relative;
  height: 6px;
  border-radius: 999px;
  background: var(--tab);
  overflow: hidden;
}

.timeline-fill {
  position: absolute;
  inset: 0;
  background: var(--sc-accent);
  transform-origin: 0 50%;
  transform: scaleX(0);
}

.timeline-marks {
  position: absolute;
  inset: -4px 0 auto 0;
  height: 14px;
}

.mark {
  position: absolute;
  top: 0;
  width: 14px;
  height: 14px;
  margin-left: -7px;
  border-radius: 999px;
  border: 2px solid var(--line-strong);
  background: var(--sc-surface);
  transition: border-color 200ms var(--sc-ease-out), background-color 200ms var(--sc-ease-out), transform 200ms var(--sc-ease-out);
}

.mark.is-past {
  border-color: var(--sc-accent);
  background: var(--sc-accent);
  transform: scale(0.86);
}

.timeline-days {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  margin: 0.5rem 0 0;
  padding: 0;
  list-style: none;
  font-size: 12px;
  color: var(--dim);
}

.timeline-days li {
  padding-left: 2px;
  border-left: 1px solid var(--line);
}

/* ----------------------------------------------------------------- board -- */

.grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(16rem, 20rem);
  gap: 1.5rem;
  align-items: start;
}

.board {
  position: relative;
  height: calc(var(--row-h) * 6);
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.row {
  position: absolute;
  inset: 0 0 auto 0;
  display: grid;
  grid-template-columns: 2rem 32px minmax(0, 1fr) auto;
  align-items: center;
  column-gap: 0.75rem;
  height: var(--row-h);
  padding: 0 0.5rem;
  border-bottom: 1px solid var(--line);
  background: var(--sc-surface);
  transform: translate3d(0, calc(var(--i, 0) * var(--row-h)), 0);
  transition: transform 380ms var(--sc-ease-out), opacity 240ms var(--sc-ease-out), background-color 240ms var(--sc-ease-out);
}

.row.is-hidden {
  opacity: 0;
  pointer-events: none;
}

.row.is-first {
  background: linear-gradient(90deg, var(--accent-soft), var(--sc-surface) 75%);
}

.row.is-first .rank {
  color: var(--sc-accent);
  font-weight: 600;
}

.row.is-fresh .title::after {
  content: attr(data-fresh);
  margin-left: 0.5rem;
  padding: 0 0.35rem;
  border-radius: 5px;
  background: var(--sc-accent);
  color: var(--sc-accent-ink);
  font-size: 11px;
  font-weight: 600;
  vertical-align: 2px;
}

.row.is-open {
  z-index: 0;
  color: var(--dim);
  background: transparent;
}

.row:not(.is-open) {
  z-index: 1;
}

.rank {
  font-size: 15px;
  color: var(--dim);
}

.av {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--sunk);
  font-family: var(--sc-font-mono);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--sc-ink-soft);
}

.av-open {
  border-style: dashed;
  border-color: var(--line-strong);
  background: transparent;
}

.main {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  min-width: 0;
}

.title {
  font-weight: 600;
  letter-spacing: -0.015em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.row.is-open .title {
  font-weight: 400;
}

.row.is-open-first .title,
.row.is-open-first .price {
  color: var(--sc-accent);
}

.meta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 13px;
  color: var(--dim);
  white-space: nowrap;
}

.price {
  font-size: 1.05rem;
  font-weight: 500;
  white-space: nowrap;
}

.row.is-open .price {
  font-family: var(--sc-font-text);
  font-size: 14px;
}

.row.is-bumped .price {
  color: var(--sc-accent);
}

/* ------------------------------------------------------------ activity log -- */

.log {
  min-width: 0;
  padding-left: 1.25rem;
  border-left: 1px solid var(--line);
}

.help {
  margin: 0 0 0.85rem;
  font-size: 13px;
  color: var(--dim);
}

.entries {
  display: grid;
  gap: 0.75rem;
  max-height: calc(var(--row-h) * 6 - 3.4rem);
  margin: 0;
  padding: 0;
  list-style: none;
  overflow: hidden;
  mask-image: linear-gradient(to bottom, #000 72%, transparent);
}

.entry {
  display: grid;
  gap: 0.15rem;
  padding-left: 0.75rem;
  border-left: 2px solid transparent;
  animation: entry-in 260ms var(--sc-ease-out);
}

.entry.is-latest {
  border-left-color: var(--sc-accent);
}

@keyframes entry-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
}

.entry-time {
  font-family: var(--sc-font-mono);
  font-size: 12px;
  color: var(--dim);
}

.entry-text {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.entry-note {
  font-size: 13px;
  color: var(--sc-ink-soft);
}

.entry-mail {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 12.5px;
  color: var(--sc-accent);
}

.entry-mail svg {
  width: 14px;
  height: 14px;
  flex: none;
}

/* ---------------------------------------------------------------- A2 hush -- */

.act-hush {
  min-height: 92svh;
  display: flex;
  align-items: center;
}

.hush {
  padding-block: 4rem;
}

.hush-clock {
  margin: 0;
  font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.4rem);
  font-weight: 500;
  color: var(--sc-ink);
}

.hush-line {
  margin: 0.4rem 0 0;
  color: var(--dim);
}

/* ------------------------------------------------------------ A3 monday -- */

.statusline {
  position: relative;
  overflow: clip;
  height: 2.9rem;
  margin: 1rem 0 0.9rem;
  border-radius: 10px;
  background: var(--sunk);
}

.statusline p {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  margin: 0;
  padding: 0 1rem;
  font-size: 14.5px;
  font-weight: 500;
}

.board-final .row {
  transition: none;
}

/* Bid bars on one fixed scale ($400 = the full row). At Monday 00:00 every bar
   halves with its price, so the biggest bid takes the biggest visible cut. */
.board-final .row > :not(.bidbar) {
  position: relative;
  z-index: 1;
}

.bidbar {
  --k: clamp(0, calc((var(--sc-p, 0) - 0.5) / 0.28), 1);
  position: absolute;
  inset: 5px 0 5px 0;
  border-radius: 8px;
  background: var(--accent-soft);
  transform-origin: 0 50%;
  transform: scaleX(calc(var(--w, 0) * (1 - 0.5 * var(--k))));
  pointer-events: none;
}

.board-final .row.is-first {
  background: var(--sc-surface);
}

.board-final .row:not(.is-open) {
  filter: saturate(calc(1 - clamp(0, (var(--sc-p, 0) - 0.17) * 8, 1) * 0.4));
}

.half {
  display: inline-block;
  margin-left: 0.45rem;
  padding: 0 0.3rem;
  border-radius: 5px;
  background: var(--accent-soft);
  color: var(--sc-accent);
  font-size: 11.5px;
  font-weight: 600;
  vertical-align: 2px;
  opacity: clamp(0, calc((var(--sc-p, 0) - 0.48) * 12), 1);
}

.recap-wrap {
  min-width: 0;
}

.recap {
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--sc-canvas);
  box-shadow: var(--sc-e1);
}

.recap-kicker {
  margin: 0;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--sc-accent);
}

.recap-title {
  margin: 0.15rem 0 0.75rem;
  font-weight: 650;
  letter-spacing: -0.015em;
}

.recap-list {
  display: grid;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13.5px;
}

.recap-list li {
  display: grid;
  grid-template-columns: 1.25rem minmax(0, 1fr) auto;
  gap: 0.5rem;
}

.recap-list li span:nth-child(2) {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.recap-list li span:first-child {
  color: var(--dim);
}

.recap-foot {
  margin: 0.85rem 0 0;
  padding-top: 0.7rem;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--dim);
}

/* --------------------------------------------------------------- A4 close -- */

.act-close {
  padding-block: 6rem 2rem;
}

.close-wrap {
  max-width: 72rem;
}

.dialog {
  max-width: 40rem;
  padding: 1.75rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--sc-surface);
  box-shadow: var(--sc-e2), var(--sc-edge);
}

.dialog-kicker {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--sc-accent);
}

.dialog-title {
  margin: 0.25rem 0 1.25rem;
  font-size: clamp(2rem, 1.6rem + 1.6vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1;
}

.field-bar {
  display: flex;
  gap: 0.5rem;
  padding: 0.35rem;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: var(--sc-surface);
  transition: border-color 150ms var(--sc-ease-out), box-shadow 150ms var(--sc-ease-out);
}

.field-bar:focus-within {
  border-color: var(--sc-accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.field-bar input {
  flex: 1;
  min-width: 0;
  min-height: 44px;
  padding: 0 0.7rem;
  border: 0;
  background: transparent;
  font-size: 16px;
  outline: none;
}

.field-bar input::placeholder {
  color: var(--dim);
  opacity: 1;
}

.field-bar button {
  min-height: 44px;
  padding: 0 1.1rem;
  border: 0;
  border-radius: 10px;
  background: var(--sc-accent);
  color: var(--sc-accent-ink);
  font-weight: 600;
  cursor: pointer;
  transition: transform 120ms var(--sc-ease-out), background-color 150ms var(--sc-ease-out);
}

.field-bar button:hover {
  background: color-mix(in srgb, var(--sc-accent) 88%, var(--sc-ink));
}

.field-bar button:active {
  transform: translateY(1px);
}

.dialog-hint {
  margin: 0.75rem 0 0;
  font-size: 13.5px;
  color: var(--sc-ink-soft);
}

.dialog-fine {
  margin: 0.35rem 0 0;
  font-size: 13px;
  color: var(--dim);
}

.close-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.5rem;
  margin-top: 1.5rem;
}

.close-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--sc-accent);
  font-weight: 500;
  text-decoration: none;
}

.close-links a:hover {
  text-decoration: underline;
}

.foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 2rem;
  margin-top: 4rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--dim);
}

.foot p {
  margin: 0;
}

.foot strong {
  color: var(--sc-ink);
}

.noscript {
  padding: 1rem;
  text-align: center;
}

/* ------------------------------------------------------------------ phone -- */

@media (max-width: 760px) {
  :root {
    --row-h: 46px;
    --bar-h: 52px;
  }

  .tabs a {
    padding: 0 0.45rem;
    font-size: 13.5px;
  }

  .tabs a.is-secondary {
    display: none;
  }

  .stage {
    place-items: start center;
    padding: calc(var(--bar-h) + 0.75rem) 0.75rem 0.75rem;
  }

  .act-week .stage {
    justify-content: flex-start;
    gap: 0.75rem;
  }

  .intro {
    gap: 0.6rem;
  }

  .intro-lede {
    margin-top: 0.4rem;
    font-size: 14.5px;
  }

  .intro-actions .play {
    min-height: 40px;
  }

  .surface {
    padding: 0.9rem 0.9rem 1rem;
    border-radius: 14px;
  }

  .surface-title {
    font-size: 1.25rem;
  }

  .status {
    width: 100%;
    justify-content: space-between;
  }

  .timeline {
    margin: 0.85rem 0 0.6rem;
  }

  .timeline-days {
    font-size: 11px;
  }

  .grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.85rem;
  }

  .row {
    grid-template-columns: 1.5rem 28px minmax(0, 1fr) auto;
    column-gap: 0.55rem;
    padding: 0 0.25rem;
  }

  .av {
    width: 28px;
    height: 28px;
    font-size: 10.5px;
  }

  .meta {
    display: none;
  }

  /* The badge would be cut by the title's ellipsis on a phone; tint the price instead. */
  .row.is-fresh .title::after {
    display: none;
  }

  .row.is-fresh .price {
    color: var(--sc-accent);
  }

  .log {
    padding-left: 0;
    padding-top: 0.75rem;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .help {
    display: none;
  }

  .entries {
    max-height: 8.6rem;
  }

  .entry:nth-child(n + 3) {
    display: none;
  }

  .statusline {
    height: 3.6rem;
  }

  .statusline p {
    font-size: 13.5px;
    line-height: 1.35;
  }

  .recap-list li:nth-child(n + 3) {
    display: none;
  }

  .recap-foot {
    display: none;
  }

  .act-close {
    padding-block: 4rem 1.5rem;
  }

  .dialog {
    padding: 1.25rem;
  }

  .field-bar button {
    padding: 0 0.9rem;
  }
}

@media (max-width: 380px) {
  /* The logo already links to the board. */
  .tabs a[href="/"] {
    display: none;
  }
}

@media (max-height: 700px) and (max-width: 760px) {
  .intro-lede {
    display: none;
  }
}

@media (max-height: 700px) and (min-width: 761px) {
  :root {
    --row-h: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .row,
  .mark,
  .entry {
    transition: none;
    animation: none;
  }
}