:root {
  --bg: #0a0a0a;
  --bg-raise: #111111;
  --ink: rgba(255, 255, 255, 0.84);
  --ink-strong: #f5f5f5;
  --ink-dim: rgba(255, 255, 255, 0.55);
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(255, 255, 255, 0.72);
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  color: var(--ink);
  background-color: var(--bg);
  background-image: none;
  font: 17px/1.65 "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  letter-spacing: 0;
}

.bar,
main.panel,
footer {
  width: min(960px, calc(100% - 8vw));
  margin: 0 auto;
  box-sizing: border-box;
}

.bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 28px;
  position: sticky;
  top: 0;
  z-index: 30;
  width: 100%;
  max-width: none;
  padding: 0.85rem 4vw;
  background: rgba(10, 10, 10, 0.92);
  border-bottom: 1px solid var(--line);
  color: #fff;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.brand img {
  display: block;
  width: 28px;
  height: 28px;
}

.bar nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem 0.35rem;
}

.bar nav a {
  color: var(--ink-dim);
  text-decoration: none;
  padding: 0.35em 0.55em;
  border-radius: 0;
  font-size: 0.92rem;
}

.bar nav a:hover {
  color: #fff;
}

.bar nav a[aria-current="page"] {
  background: transparent;
  color: #fff;
  box-shadow: inset 0 -1px 0 #fff;
}

main.panel {
  background: transparent;
  padding: 2.75rem 0 2rem;
  border-radius: 0;
  color: var(--ink);
}

h1 {
  margin: 0 0 0.55rem;
  color: #fff;
  font-size: clamp(2.2rem, 5vw, 3.25rem);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: 0;
}

h2 {
  color: var(--ink-strong);
  font-weight: 500;
}

.note,
.meta,
.hint {
  max-width: 40em;
  margin: 0 0 8px;
  color: var(--ink-dim);
  font-size: 15px;
}

.note { margin-bottom: 22px; }

body.account .bar,
body.account footer {
  width: 100%;
  max-width: none;
}

body.account main.panel {
  width: min(380px, calc(100% - 32px));
  min-height: 100vh;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding: 18vh 0 18vh;
}

body.account main.panel > section {
  width: 100%;
}

body.account h1 {
  margin: 0 0 8px;
  font-size: clamp(2.25rem, 5vw, 2.75rem);
}

body.account .lead {
  margin: 0 0 28px;
}

body.account.is-in main.panel {
  width: min(40em, calc(100% - 8vw));
  min-height: 100vh;
  display: block;
  padding: 2.75rem 0 3rem;
}

body.account .who {
  margin: 0;
  color: #fff;
  font-size: 1.05rem;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.session-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 0.85rem;
}

.session-row button {
  margin: 0;
  flex: 0 0 auto;
}

body.account.is-in h2.group {
  margin: 2.75rem 0 0.35rem;
  color: var(--ink-dim);
  font-size: 13px;
  font-weight: 500;
}

body.account .fold {
  margin-top: 3rem;
  border-top: 1px solid var(--line);
  scroll-margin-top: 5rem;
}

body.account .fold summary {
  padding: 0.95rem 0;
  color: var(--ink-dim);
  cursor: pointer;
}

body.account form > button[type="submit"] {
  display: block;
  width: 100%;
  box-sizing: border-box;
  margin: 20px 0 0;
  padding: 12px 16px;
}

body.account button.secondary {
  box-sizing: border-box;
  padding: 12px 16px;
}

body.account .fold summary:hover {
  color: #fff;
}

body.account .fold[open] summary {
  color: var(--ink-strong);
}

.links {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin: 16px 0 0;
  font-size: 15px;
}

body.account .links a {
  color: var(--ink-dim);
  text-decoration: none;
}

body.account .links a:hover {
  color: #fff;
}

.ticket h2 {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 500;
}

.code-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.code-row input { flex: 1; min-width: 0; }

.code-row button {
  margin: 0;
  white-space: nowrap;
}

.choice {
  display: flex;
  align-items: center;
  gap: 0.55em;
  margin: 18px 0 0;
  padding: 0;
  background: none;
  border: 0;
  font-size: 15px;
  line-height: 1.4;
}

.choice input {
  position: static;
  flex: none;
  width: 1em;
  height: 1em;
  margin: 0;
  accent-color: #fff;
}

.choice span {
  white-space: nowrap;
}

.choice a { white-space: nowrap; }

label { display: block; margin: 18px 0 6px; color: var(--ink); font-size: 15px; }

body.account form > label:first-of-type {
  margin-top: 0;
}

input[type="email"],
input[type="password"],
input[type="text"],
textarea {
  width: 100%;
  box-sizing: border-box;
  padding: 12px;
  font: inherit;
  color: #fff;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 0;
}

input::placeholder,
textarea::placeholder {
  color: rgba(255, 255, 255, 0.42);
}

input[type="email"]:focus,
input[type="password"]:focus,
input[type="text"]:focus,
textarea:focus {
  outline: none;
  border-color: #fff;
}

button,
body.download a.button {
  display: inline-block;
  margin: 12px 8px 0 0;
  padding: 10px 16px;
  font: inherit;
  font-weight: 500;
  color: #0a0a0a;
  background: #fff;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  text-decoration: none;
  cursor: pointer;
}

button:hover,
body.download a.button:hover {
  background: #e6e6e6;
}

button:active,
body.download a.button:active {
  background: #d4d4d4;
}

button.secondary,
body.download a.button.secondary {
  color: #fff;
  background: transparent;
  box-shadow: inset 0 0 0 1px var(--line-strong);
}

button.secondary:hover,
body.download a.button.secondary:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

button:disabled {
  opacity: 0.45;
  cursor: default;
}

.field-note {
  margin: 4px 0 0;
  color: var(--ink-dim);
  font-size: 13px;
}

textarea { min-height: 96px; }

.ticket,
.device {
  margin-top: 18px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.device h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 500;
  overflow-wrap: anywhere;
}

h2.group {
  margin: 22px 0 0;
  font-size: 15px;
  font-weight: 500;
}

.device p { overflow-wrap: anywhere; }

[hidden] { display: none !important; }

.message { min-height: 0; margin: 0; color: var(--ink); }

body.account .message:not(:empty) {
  margin-top: 12px;
}

main a { color: #fff; }

footer {
  width: 100%;
  max-width: none;
  padding: 3.5rem 4vw 2.75rem;
  border-top: 0;
  color: var(--ink-dim);
  font-size: 15px;
  text-align: center;
}

footer p {
  margin: 0.35rem 0;
}

footer .policy {
  color: var(--ink-dim);
  font-size: 13px;
}

footer a {
  color: #fff;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
}

footer a:hover { border-bottom-color: #fff; }

body.doc main.panel {
  width: min(42em, calc(100% - 8vw));
}

body.download main.panel {
  width: min(36em, calc(100% - 8vw));
  padding-top: 4.75rem;
  text-align: center;
}

body.download h1 {
  font-size: clamp(2.5rem, 6vw, 3.5rem);
}

body.download .lead {
  max-width: none;
  margin: 0.4rem 0 0;
  color: var(--ink);
  font-size: 1.05rem;
}

body.download .card {
  margin: 3.25rem auto 0;
  padding: 2rem 1.35rem 1.6rem;
  max-width: 28em;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 0;
}

body.download .card h2 {
  margin: 0;
  color: #fff;
  font-size: 1.2rem;
  font-weight: 500;
}

body.download .ver {
  margin: 0.7rem 0 0;
  color: var(--ink-dim);
  font-size: 15px;
}

body.download .card .actions {
  justify-content: center;
  margin-top: 1.15rem;
}

body.download .card .actions a.button {
  margin: 0;
}

body.download .fine,
body.download .soon {
  max-width: 34em;
  margin: 1.15rem auto 0;
  color: var(--ink-dim);
  font-size: 14px;
}

body.download .soon {
  margin-top: 0.2rem;
}

body.download .fine + .soon {
  margin-top: 2.75rem;
}

.release {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.release h2 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 500;
}

.release dl {
  display: grid;
  grid-template-columns: 5.5em 1fr;
  gap: 8px 16px;
  margin: 12px 0 0;
}

.release dt {
  margin: 0;
  color: var(--ink-dim);
  font-size: 13px;
}

.release dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.release .actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.later {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 1.5rem;
}

.later article {
  margin: 0;
  padding: 14px 16px 16px;
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: 0;
}

.later h2 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 500;
}

.later p {
  margin: 0;
  color: var(--ink-dim);
  font-size: 15px;
}

.legal h2 {
  margin: 1.7em 0 0.45em;
  font-size: 1.25rem;
}

.legal p,
.legal li { margin: 8px 0; }

.legal ul { padding-left: 1.25em; }

@media (max-width: 640px) {
  .bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 0.85rem 5vw;
  }

  main.panel { padding: 2rem 0 1.5rem; }

  .release dl,
  .later { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .code-row {
    flex-direction: column;
    align-items: stretch;
  }

  .code-row button { width: 100%; }
}