/* GPU budget page: one table, a few selectors, folded notes.
   Light and restrained: tinted neutrals + one forest-green accent (OKLCH hue 155, stored as hex). */
:root {
  color-scheme: light;
  --bg: #ffffff;
  --panel: #f4f8f5;
  --ink: #161c18;
  --ink-2: #434a45;
  --muted: #5c625e;
  --line: #dde1de;
  --line-strong: #babfbb;
  --accent: #196c40;
  --accent-strong: #085630;
  --accent-soft: #e3f7e9;
  --warn-ink: #804d0c;
  --warn-soft: #fef2d9;
  --danger: #ac312c;
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei",
    "Noto Sans CJK SC", "Source Han Sans SC", "Segoe UI", system-ui, sans-serif;
  --radius: 8px;
  --z-pick: 5;
  --z-menu: 10;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

h1,
p,
ul {
  margin: 0;
}

ul {
  padding: 0;
  list-style: none;
}

a {
  color: var(--accent);
  text-underline-offset: 3px;
}

a:hover {
  color: var(--accent-strong);
}

button,
input {
  font: inherit;
  color: inherit;
}

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

[hidden] {
  display: none !important;
}

.wrap {
  width: min(100% - 32px, 1080px);
  margin-inline: auto;
}

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

/* ---------- header and controls ---------- */

.top {
  padding-top: 28px;
}

.top h1 {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.3;
}

.meta {
  margin-top: 4px;
  font-size: 0.875rem;
  color: var(--muted);
}

.bar {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 12px 20px;
}

.field {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.field > label,
.field > legend {
  display: block;
  margin-bottom: 4px;
  padding: 0;
  font-size: 0.8125rem;
  color: var(--muted);
}

.stepper,
.seg {
  display: inline-flex;
  height: 40px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--bg);
  overflow: hidden;
}

.stepper:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.stepper input {
  width: 72px;
  border: 0;
  background: transparent;
  text-align: center;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.stepper input:focus {
  outline: none;
}

.step {
  width: 40px;
  border: 0;
  background: transparent;
  font-size: 1.125rem;
  color: var(--ink-2);
  cursor: pointer;
}

.step:hover {
  background: var(--panel);
}

.step:focus-visible {
  outline-offset: -2px;
}

.seg {
  position: relative;
}

.seg input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.seg label {
  display: flex;
  align-items: center;
  padding: 0 12px;
  border-left: 1px solid var(--line);
  font-size: 0.875rem;
  white-space: nowrap;
  cursor: pointer;
}

.seg label:first-of-type {
  border-left: 0;
}

.seg label:hover {
  background: var(--panel);
}

.seg input:checked + label {
  background: var(--accent-soft);
  box-shadow: inset 0 0 0 1px var(--accent);
  color: var(--accent-strong);
  font-weight: 600;
}

.seg input:focus-visible + label {
  outline: 2px solid var(--accent);
  outline-offset: -3px;
}

.has-error .stepper,
.has-error .num {
  border-color: var(--danger);
  box-shadow: 0 0 0 1px var(--danger);
}

.error {
  margin-top: 4px;
  font-size: 0.8125rem;
  color: var(--danger);
}

.hint {
  margin-top: 4px;
  font-size: 0.8125rem;
  color: var(--muted);
}

.more {
  position: relative;
  align-self: flex-end;
}

.more > summary {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 40px;
  padding: 0 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  font-size: 0.875rem;
  list-style: none;
  cursor: pointer;
}

.more > summary::-webkit-details-marker {
  display: none;
}

.more > summary::after {
  content: "";
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
}

.more[open] > summary {
  border-color: var(--accent);
  color: var(--accent-strong);
}

.more-body {
  position: absolute;
  z-index: var(--z-menu);
  top: calc(100% + 6px);
  left: 0;
  display: grid;
  gap: 14px;
  width: min(300px, calc(100vw - 32px));
  padding: 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--bg);
  box-shadow: 0 4px 8px rgb(0 0 0 / 0.08);
}

.num {
  width: 100%;
  height: 40px;
  padding: 0 10px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  font-variant-numeric: tabular-nums;
}

.num:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.link-button {
  justify-self: start;
  padding: 0;
  border: 0;
  background: none;
  font-size: 0.875rem;
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}

/* ---------- selected plan ---------- */

.pick {
  position: sticky;
  top: 0;
  z-index: var(--z-pick);
  margin-top: 16px;
  padding: 12px 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2px 24px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}

.pick-head {
  grid-column: 1;
  font-size: 1rem;
}

.pick-label {
  margin-right: 4px;
  font-size: 0.8125rem;
  color: var(--muted);
}

.pick-head strong {
  margin-right: 6px;
  font-weight: 650;
}

.pick-cost {
  grid-column: 2;
  grid-row: 1 / span 2;
  text-align: right;
  line-height: 1.3;
}

.pick-cost b {
  font-size: 1.75rem;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}

.pick-cost [data-pick-unit] {
  margin-left: 2px;
  color: var(--muted);
}

.pick-per {
  display: block;
  font-size: 0.8125rem;
  color: var(--muted);
}

.pick-line {
  grid-column: 1;
  font-size: 0.8125rem;
  color: var(--ink-2);
  font-variant-numeric: tabular-nums;
}

.pick-stale {
  grid-column: 1 / -1;
  font-size: 0.8125rem;
  color: var(--warn-ink);
}

.is-stale .pick-cost,
.is-stale .plans {
  opacity: 0.5;
}

/* ---------- chips ---------- */

.chip {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 8px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  vertical-align: middle;
}

.chip[data-tone="ok"] {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.chip[data-tone="caution"] {
  background: var(--warn-soft);
  color: var(--warn-ink);
}

.chip[data-tone="plain"] {
  border-color: var(--line);
  background: var(--panel);
  color: var(--ink-2);
}

.chip[data-tone="dashed"] {
  border: 1px dashed var(--line-strong);
  color: var(--ink-2);
}

/* ---------- table ---------- */

.plans {
  width: 100%;
  margin-top: 4px;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.plans thead th {
  padding: 10px 8px;
  border-bottom: 1px solid var(--line-strong);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--muted);
  text-align: left;
}

.plans .group th {
  padding: 18px 8px 6px;
  border-bottom: 1px solid var(--line);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--ink-2);
  text-align: left;
}

.plans .row td {
  padding: 9px 8px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

.plans .row {
  cursor: pointer;
}

.plans .row:hover td {
  background: var(--panel);
}

.plans .row.is-selected td,
.plans .detail td {
  background: var(--accent-soft);
}

.plans .row.is-selected td {
  border-bottom-color: transparent;
}

.c-sel {
  width: 36px;
}

.c-sel input {
  width: 16px;
  height: 16px;
  margin: 0;
  accent-color: var(--accent);
  cursor: pointer;
}

.c-plan label {
  cursor: pointer;
}

.c-plan .name {
  font-weight: 500;
}

.is-selected .c-plan .name {
  font-weight: 650;
}

.c-bill {
  font-size: 0.875rem;
  color: var(--ink-2);
  white-space: nowrap;
}

.plans th.c-month,
.plans th.c-per,
.c-month,
.c-per {
  text-align: right;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.month {
  font-weight: 600;
}

.month.is-text {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--muted);
}

.c-per {
  font-size: 0.875rem;
  color: var(--ink-2);
}

.c-status {
  white-space: nowrap;
}

.m-only {
  display: none;
}

.plans .detail td {
  padding: 2px 8px 14px 52px;
  border-bottom: 1px solid var(--line);
  font-size: 0.875rem;
  color: var(--ink-2);
}

.facts li,
.list li {
  position: relative;
  padding-left: 14px;
}

.facts li + li,
.list li + li {
  margin-top: 4px;
}

.facts li::before,
.list li::before {
  content: "";
  position: absolute;
  top: 0.7em;
  left: 2px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--muted);
}

.formula,
.links {
  margin-top: 6px;
  font-size: 0.8125rem;
  overflow-wrap: anywhere;
}

.formula b,
.links b {
  font-weight: 600;
  color: var(--ink);
}

.foot {
  margin-top: 10px;
  font-size: 0.8125rem;
  color: var(--muted);
}

/* ---------- folded notes ---------- */

.folds {
  margin-top: 32px;
  padding-bottom: 48px;
}

.folds details {
  border-top: 1px solid var(--line);
}

.folds details:last-child {
  border-bottom: 1px solid var(--line);
}

.folds summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
  font-weight: 600;
  list-style: none;
  cursor: pointer;
}

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

.folds summary::after {
  content: "";
  width: 7px;
  height: 7px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(-45deg);
}

.folds details[open] summary::after {
  transform: rotate(45deg);
}

.list {
  padding-bottom: 16px;
  font-size: 0.875rem;
  color: var(--ink-2);
}

.sources li {
  overflow-wrap: anywhere;
}

.noscript {
  padding: 16px 0;
  color: var(--warn-ink);
}

/* ---------- small screens ---------- */

@media (max-width: 639px) {
  .top {
    padding-top: 20px;
  }

  .pick {
    grid-template-columns: 1fr;
  }

  .pick-cost {
    grid-column: 1;
    grid-row: auto;
    text-align: left;
  }

  .pick-cost b {
    font-size: 1.5rem;
  }

  .pick-per {
    display: inline;
    margin-left: 6px;
  }

  .c-bill,
  .c-per,
  .c-status {
    display: none;
  }

  .m-only {
    display: block;
    margin-top: 2px;
    font-size: 0.8125rem;
    color: var(--muted);
  }

  .plans .row td {
    padding: 9px 6px;
  }

  .c-sel {
    width: 28px;
  }

  .plans .detail td {
    padding: 2px 6px 14px 34px;
  }
}