:root {
  --bg: #071018;
  --ink: #eef4f8;
  --muted: #b7c4d0;
  --faint: #93a2b0;
  --line: color-mix(in srgb, #d7e6f2 16%, transparent);
  --accent: #3ee0c8;
  --accent-2: #8b93ff;
  --accent-ink: #04241f;
  --danger: #ff9b94;
  --ok: #6eecc0;
  --paper: color-mix(in srgb, #162433 88%, transparent);
  --paper-solid: #162433;
  --shadow: 0 1px 0 color-mix(in srgb, #fff 5%, transparent) inset,
            0 1.4rem 2.8rem color-mix(in srgb, #000 32%, transparent);
  --r: 1.15rem;
  --max: 72rem;
  --font: "Microsoft YaHei UI", "Microsoft YaHei", "PingFang SC",
          "Hiragino Sans GB", "Noto Sans SC", "Segoe UI", sans-serif;
}

@media (prefers-reduced-motion: no-preference) {
  @view-transition { navigation: auto; }
}

* { box-sizing: border-box; }
html {
  color-scheme: dark;
  background: var(--bg);
}
body {
  margin: 0;
  min-block-size: 100dvb;
  color: var(--ink);
  background: var(--bg);
  font-family: var(--font);
  font-size: 1.125rem;
  line-height: 1.75;
  letter-spacing: 0;
  font-weight: 400;
  font-optical-sizing: auto;
  text-rendering: optimizeLegibility;
}
a { color: var(--accent); }
a:hover { color: color-mix(in srgb, var(--accent) 72%, white); }
:focus-visible {
  outline: 0.16rem solid color-mix(in srgb, var(--accent) 80%, white);
  outline-offset: 0.16rem;
}

.gpu-bg,
.page-wash {
  position: fixed;
  inset: 0;
  inline-size: 100%;
  block-size: 100%;
  pointer-events: none;
}
.gpu-bg { z-index: 0; display: block; }
.page-wash {
  z-index: 0;
  background:
    radial-gradient(80rem 42rem at 12% -8%, color-mix(in srgb, var(--accent-2) 22%, transparent), transparent 58%),
    radial-gradient(64rem 36rem at 92% 0%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 52%),
    linear-gradient(180deg, #08131d 0%, #071018 48%, #08141c 100%);
}
.has-gpu .page-wash {
  background:
    linear-gradient(180deg, color-mix(in srgb, #071018 28%, transparent), #071018 86%);
}

.skip {
  position: absolute;
  inset-inline-start: 0.7rem;
  inset-block-start: -4rem;
  background: var(--paper-solid);
  color: var(--ink);
  padding: 0.4rem 0.75rem;
  z-index: 30;
  border-radius: 0.5rem;
}
.skip:focus { inset-block-start: 0.7rem; }

.app { position: relative; z-index: 1; min-block-size: 100dvb; }

.sticky-wrap {
  position: sticky;
  inset-block-start: 0;
  z-index: 20;
  container-type: scroll-state;
  container-name: site-header;
}
.top {
  border-block-end: 1px solid var(--line);
  background: color-mix(in srgb, #0b1520 86%, transparent);
  backdrop-filter: blur(1.1rem) saturate(1.2);
}
@supports not (backdrop-filter: blur(1rem)) {
  .top { background: #0b1520; }
}
@container site-header scroll-state(stuck: top) {
  .top {
    box-shadow: 0 1rem 2rem color-mix(in srgb, #000 28%, transparent);
    border-block-end-color: color-mix(in srgb, var(--accent) 26%, var(--line));
  }
}
.top-inner {
  max-inline-size: var(--max);
  margin-inline: auto;
  padding: 0.85rem 1.25rem;
  display: flex;
  gap: 1rem 1.25rem;
  align-items: safe center;
  flex-wrap: wrap;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--ink);
  letter-spacing: 0.01em;
}
.brand-mark {
  inline-size: 0.85rem;
  block-size: 0.85rem;
  border-radius: 0.22rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 0 0.22rem color-mix(in srgb, var(--accent) 22%, transparent);
}
.nav {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}
.nav a {
  text-decoration: none;
  color: var(--muted);
  padding: 0.28rem 0.72rem;
  border-radius: 999px;
  border: 1px solid transparent;
}
.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--ink);
  border-color: var(--line);
  background: color-mix(in srgb, #fff 5%, transparent);
}
.nav a[aria-current="page"] {
  box-shadow: 0 0 0 0.08rem color-mix(in srgb, var(--accent) 35%, transparent);
}
.who {
  margin-inline-start: auto;
  display: flex;
  gap: 0.7rem;
  align-items: center;
  color: var(--muted);
  font-size: 1rem;
}
.who-name { max-inline-size: 16rem; overflow-wrap: anywhere; }
.who form { margin: 0; }

.who button, .bulk button, .ops button, .ops a, .copy-all, .pw-toggle, .ghost {
  border: 1px solid var(--line);
  background: color-mix(in srgb, #fff 4%, transparent);
  border-radius: 999px;
  padding: 0.32rem 0.8rem;
  font: inherit;
  font-size: 1rem;
  cursor: pointer;
  color: var(--ink);
  text-decoration: none;
}
.who button:hover, .bulk button:hover, .ops button:hover, .copy-all:hover,
.pw-toggle:hover, .ghost:hover {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
}

.main {
  max-inline-size: var(--max);
  margin-inline: auto;
  padding: 2rem 1.25rem 4.5rem;
}
.hero, .catalog-head { margin-block-end: 1.6rem; }
.kicker {
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--accent);
  font-weight: 700;
  margin: 0 0 0.4rem;
}
h1, h2, h3, h4 {
  line-height: 1.4;
  letter-spacing: 0;
  text-wrap: balance;
  font-weight: 700;
}
h1 {
  font-size: clamp(1.7rem, 1.2rem + 1.6vw, 2.4rem);
  margin: 0 0 0.7rem;
}
h2 { font-size: 1.35rem; margin: 0 0 0.55rem; }
h3 { font-size: 1.2rem; margin: 0 0 0.4rem; }
h4 { font-size: 1.12rem; margin: 0 0 0.25rem; }
.lede, .muted, .card-blurb { color: var(--muted); }
.lede {
  max-inline-size: 42rem;
  margin: 0 0 0.2rem;
  line-height: 1.75;
  text-wrap: pretty;
}
.hint {
  display: block;
  color: var(--faint);
  font-size: 0.95rem;
  font-weight: 400;
  margin-block-end: 0.35rem;
}
kbd {
  font: inherit;
  font-weight: 700;
  border: 1px solid var(--line);
  border-block-end-width: 0.14rem;
  border-radius: 0.4rem;
  padding: 0 0.32rem;
  background: color-mix(in srgb, #fff 5%, transparent);
}

.flashes { list-style: none; padding: 0; margin: 0 0 1rem; }
.flashes li, .error, .issued {
  background: color-mix(in srgb, var(--ok) 12%, var(--paper-solid));
  border: 1px solid color-mix(in srgb, var(--ok) 36%, transparent);
  color: var(--ok);
  border-radius: 0.9rem;
  padding: 0.85rem 1.05rem;
}
.error {
  background: color-mix(in srgb, var(--danger) 12%, var(--paper-solid));
  border-color: color-mix(in srgb, var(--danger) 38%, transparent);
  color: var(--danger);
}

.login-card, .card, .panel, .empty, .deck-card, .stat {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--shadow);
  backdrop-filter: blur(1.15rem);
}
@supports not (backdrop-filter: blur(1rem)) {
  .login-card, .card, .panel, .empty, .deck-card, .stat { background: var(--paper-solid); }
}
.login-card, .card, .empty, .panel { padding: 1.35rem 1.4rem; }
.card { margin-block-end: 1.1rem; }
.login-card form p, .stack p { margin: 0 0 1.05rem; }
.narrow { max-inline-size: 32rem; }
label { display: block; font-weight: 700; margin-block-end: 0.35rem; }
input[type="text"], input[type="password"], select {
  inline-size: 100%;
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  padding: 0.72rem 0.8rem;
  font: inherit;
  color: var(--ink);
  background: color-mix(in srgb, #000 28%, var(--paper-solid));
}
.pw-field { position: relative; }
.pw-toggle {
  position: absolute;
  inset-inline-end: 0.5rem;
  inset-block-end: 0.5rem;
}
.primary {
  appearance: none;
  border: 0;
  background: var(--accent);
  color: var(--accent-ink);
  font: inherit;
  font-weight: 700;
  padding: 0.72rem 1.2rem;
  border-radius: 999px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
.primary:hover { filter: brightness(1.06); }

.shell-login .main {
  display: grid;
  place-content: center;
  min-block-size: calc(100dvb - 5.5rem);
  padding-block: 2.4rem;
}
.login-card { inline-size: min(34rem, 100%); }

.catalog {
  scroll-margin-block-start: 5.5rem;
  border-radius: calc(var(--r) + 0.2rem);
}
.catalog.is-flash, .hero.is-flash, .main.is-flash {
  animation: flash 0.9s ease;
}
@keyframes flash {
  30% { box-shadow: 0 0 0 0.22rem color-mix(in srgb, var(--accent) 50%, transparent); }
}

.subject { margin-block-start: 1.8rem; }
.subject-head { margin-block-end: 1rem; }
.subject-head p { margin: 0; color: var(--muted); max-inline-size: 48rem; }

.deck-grid, .action-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18.5rem), 1fr));
}
.deck-card, .panel {
  display: grid;
  grid-template-rows: auto auto auto 1fr auto;
  gap: 0.15rem;
  text-decoration: none;
  color: inherit;
  min-block-size: 100%;
  padding: 1.2rem 1.25rem 1.25rem;
  transition: transform 0.16s ease, border-color 0.16s ease;
}
.panel { grid-template-rows: auto 1fr; }
.deck-card:hover, .panel:hover {
  transform: translateY(-0.12rem);
  border-color: color-mix(in srgb, var(--accent) 48%, var(--line));
}
.deck-card .en, .viewer-meta .en {
  color: var(--accent);
  font-size: 0.98rem;
  margin: 0 0 0.4rem;
}
.card-blurb { margin: 0; }
.go {
  display: inline-block;
  margin-block-start: 0.85rem;
  color: var(--accent);
  font-weight: 700;
}
.badge {
  display: inline-flex;
  align-items: center;
  inline-size: fit-content;
  padding: 0.12rem 0.55rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-block-end: 0.55rem;
  border: 1px solid var(--line);
  color: var(--muted);
}
.badge-week {
  color: var(--accent-ink);
  background: var(--accent);
  border-color: transparent;
}
.badge-lab {
  color: #211246;
  background: #c9c4ff;
  border-color: transparent;
}
.badge-ref {
  color: var(--ink);
  background: color-mix(in srgb, #fff 8%, transparent);
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9.5rem, 1fr));
  gap: 0.85rem;
  margin: 0 0 1.4rem;
}
.stat { padding: 1.05rem 1.15rem; }
.stat strong { display: block; font-size: 1.85rem; letter-spacing: -0.02em; }
.stat span { color: var(--muted); }

.issued { margin-block-end: 1.2rem; color: var(--ink); }
.issued dl { display: grid; gap: 0.45rem; }
.issued div { display: flex; gap: 1rem; }
.issued dt { inline-size: 4rem; color: var(--muted); }
.issued dd { margin: 0; }
.check { display: flex; gap: 0.55rem; align-items: flex-start; }
.check input { width: auto; margin-block-start: 0.35rem; }
.check label { font-weight: 500; }

.table-wrap { overflow: auto; }
table { inline-size: 100%; border-collapse: collapse; }
th, td {
  text-align: start;
  padding: 0.7rem 0.5rem;
  border-block-end: 1px solid var(--line);
  vertical-align: top;
}
.ops { display: flex; flex-wrap: wrap; gap: 0.45rem; align-items: center; }
.ops form { display: flex; gap: 0.35rem; margin: 0; }
.ops input { inline-size: 11rem; padding: 0.35rem 0.5rem; }

.inline-form {
  display: flex;
  gap: 0.7rem;
  align-items: center;
  margin-block-end: 1rem;
  flex-wrap: wrap;
}
.inline-form select { inline-size: min(32rem, 100%); }
.check-list { list-style: none; padding: 0; margin: 0.65rem 0 0; display: grid; gap: 0.5rem; }
.check-list label { display: flex; gap: 0.65rem; font-weight: 500; align-items: flex-start; }
.check-list input { width: auto; margin-block-start: 0.35rem; }
.check-list em { display: block; color: var(--muted); font-style: normal; font-size: 0.95rem; }
.bulk { display: flex; gap: 0.45rem; }
legend { font-weight: 700; padding: 0 0.35rem; }

.pills { display: flex; gap: 0.45rem; margin: 0 0 1rem; flex-wrap: wrap; }
.pills a {
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.28rem 0.85rem;
  color: var(--muted);
}
.pills a.on { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }

.bars { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.85rem; }
.bar-label { display: flex; justify-content: space-between; gap: 1rem; margin-block-end: 0.3rem; }
.bar {
  block-size: 0.55rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 16%, var(--line));
  overflow: hidden;
}
.bar::after {
  content: "";
  display: block;
  block-size: 100%;
  inline-size: calc(100% * var(--n) / max(var(--max), 1));
  background: var(--accent);
}

.sr {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

html:has(.shell-viewer) {
  block-size: 100%;
}
.shell-viewer,
.shell-viewer .app {
  block-size: 100dvb;
  min-block-size: 100dvb;
}
.shell-viewer .app {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: auto minmax(0, 1fr);
  justify-items: stretch;
}
.shell-viewer .sticky-wrap,
.shell-viewer .top,
.shell-viewer .main {
  inline-size: 100%;
  max-inline-size: none;
  margin-inline: 0;
}
.shell-viewer .main {
  display: flex;
  flex-direction: column;
  min-block-size: 0;
  min-inline-size: 0;
  block-size: 100%;
  padding: 0;
}
.shell-viewer .gpu-bg { display: none; }
.shell-viewer .page-wash {
  background: #071018;
}
.viewer-chrome {
  display: flex;
  justify-content: space-between;
  gap: 1rem 1.5rem;
  align-items: safe center;
  flex-wrap: wrap;
  padding: 0.85rem 1.25rem;
  border-block-end: 1px solid var(--line);
  background: color-mix(in srgb, #0b1520 90%, transparent);
}
.viewer-meta h1 { font-size: 1.2rem; margin: 0 0 0.15rem; }
.viewer-meta .en { margin: 0; }
.viewer-ops { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.viewer-stage {
  position: relative;
  flex: 1 1 auto;
  min-block-size: 0;
  block-size: 0;
  inline-size: 100%;
  background: #f3f7f6;
  color-scheme: light;
}
.deck-frame {
  position: absolute;
  inset: 0;
  display: block;
  inline-size: 100%;
  block-size: 100%;
  border: 0;
  background: #f3f7f6;
}

@media (prefers-reduced-motion: reduce) {
  .deck-card, .panel { transition: none; }
  .catalog.is-flash, .hero.is-flash, .main.is-flash { animation: none; }
}
@media (prefers-contrast: more) {
  :root {
    --muted: #d5deE6;
    --line: color-mix(in srgb, #fff 36%, transparent);
    --paper: #101c28;
  }
  .top, .login-card, .card, .panel, .empty, .deck-card, .stat {
    backdrop-filter: none;
  }
}
@media (max-width: 46rem) {
  h1 { font-size: 1.6rem; }
  .who { inline-size: 100%; margin-inline-start: 0; }
  .ops input { inline-size: 8rem; }
  .bar-label { flex-direction: column; gap: 0.15rem; }
  .viewer-meta h1 { font-size: 1.05rem; }
}