:root {
  --paper: #f4f1e9;
  --paper-raised: #fbfaf6;
  --ink: #1a242d;
  --ink-muted: #647079;
  --line: rgba(26, 36, 45, 0.16);
  --blue: #238eed;
  --blue-deep: #0b5fae;
  --blue-wash: rgba(35, 142, 237, 0.1);
  --red: #b34b3f;
  --shadow: 0 24px 70px rgba(42, 51, 57, 0.1);
  font-family: "Iowan Old Style", "Songti SC", "STSong", Georgia, serif;
  color: var(--ink);
  background: var(--paper);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #171a1d;
    --paper-raised: #20252a;
    --ink: #edf0ed;
    --ink-muted: #a4adb3;
    --line: rgba(237, 240, 237, 0.16);
    --blue: #6ab5ff;
    --blue-deep: #99cbff;
    --blue-wash: rgba(106, 181, 255, 0.11);
    --red: #f49b90;
    --shadow: 0 28px 80px rgba(0, 0, 0, 0.28);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 88% 4%, rgba(35, 142, 237, 0.09), transparent 32rem),
    linear-gradient(90deg, transparent 0 7%, rgba(35, 142, 237, 0.025) 7% 7.1%, transparent 7.1% 100%),
    var(--paper);
}

.paper-grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.22;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.06'/%3E%3C/svg%3E");
}

.skip-link {
  position: fixed;
  z-index: 10;
  top: 8px;
  left: 8px;
  transform: translateY(-150%);
  padding: 10px 14px;
  color: white;
  background: var(--blue-deep);
}

.skip-link:focus { transform: translateY(0); }

.shell {
  width: min(100% - 32px, 760px);
  margin: 0 auto;
  padding: max(32px, env(safe-area-inset-top)) 0 max(48px, env(safe-area-inset-bottom));
}

.masthead {
  padding: 18px 0 34px;
  border-bottom: 1px solid var(--ink);
}

.kicker, .eyebrow, .edition, .section-number, button, select, input, textarea, label {
  font-family: "Avenir Next", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.kicker, .eyebrow {
  margin: 0 0 12px;
  color: var(--blue-deep);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.16em;
}

.masthead-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: end;
}

h1 {
  margin: 0;
  font-size: clamp(2.35rem, 10vw, 5.25rem);
  font-weight: 600;
  letter-spacing: -0.055em;
  line-height: 0.96;
}

.tagline {
  margin: 16px 0 0;
  color: var(--ink-muted);
  font-size: 1.02rem;
}

.edition {
  display: grid;
  gap: 5px;
  padding-bottom: 4px;
  color: var(--ink-muted);
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-align: right;
}

.summary {
  max-width: 42rem;
  margin: 28px 0 0;
  font-size: clamp(1.08rem, 3.6vw, 1.35rem);
  line-height: 1.8;
}

.state-card {
  margin: 32px 0;
  padding: 24px;
  border: 1px solid var(--line);
  background: var(--paper-raised);
  box-shadow: var(--shadow);
}

.loading-mark {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 10px;
  border-radius: 50%;
  background: var(--blue);
  animation: breathe 1.2s ease-in-out infinite alternate;
}

@keyframes breathe { to { transform: scale(0.55); opacity: 0.45; } }

.section {
  padding: 42px 0;
  border-bottom: 1px solid var(--line);
}

.section-heading {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  margin-bottom: 26px;
}

.section-number {
  margin: 2px 0 0;
  color: var(--blue);
  font-size: 0.75rem;
  font-weight: 800;
}

.section-heading h2, .error-card h2 {
  margin: 0;
  font-size: clamp(1.65rem, 6vw, 2.4rem);
  font-weight: 600;
  letter-spacing: -0.035em;
}

.section-note, .fine-print {
  color: var(--ink-muted);
  font-size: 0.84rem;
  line-height: 1.7;
}

.editorial-list { display: grid; gap: 28px; }

.update-item {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 18px;
}

.update-meta {
  color: var(--blue-deep);
  font-family: "Avenir Next", sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
}

.update-item h3, .roadmap-item h3, .recommendation h3 {
  margin: 0 0 8px;
  font-size: 1.12rem;
}

.update-item p, .roadmap-item p, .recommendation p {
  margin: 0;
  color: var(--ink-muted);
  line-height: 1.72;
}

.poll-card, .feedback-form {
  padding: clamp(22px, 6vw, 34px);
  border: 1px solid var(--ink);
  background: var(--paper-raised);
  box-shadow: 10px 10px 0 var(--blue-wash);
}

fieldset { min-width: 0; margin: 0; padding: 0; border: 0; }

legend {
  margin-bottom: 20px;
  font-size: 1.2rem;
  font-weight: 650;
  line-height: 1.5;
}

.poll-options { display: grid; gap: 10px; }

.poll-option {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  min-height: 48px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
}

.poll-option input { width: 20px; height: 20px; accent-color: var(--blue); }
.vote-count { color: var(--ink-muted); font-size: 0.78rem; }

.roadmap-list {
  display: grid;
  gap: 0;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: roadmap;
}

.roadmap-item {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) auto;
  gap: 14px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
  counter-increment: roadmap;
}

.roadmap-item::before {
  content: counter(roadmap, decimal-leading-zero);
  color: var(--blue);
  font-family: "Avenir Next", sans-serif;
  font-size: 0.72rem;
  font-weight: 800;
}

.status-chip {
  align-self: start;
  padding: 5px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-muted);
  font-family: "Avenir Next", sans-serif;
  font-size: 0.68rem;
  white-space: nowrap;
}

.feedback-form { display: grid; gap: 10px; }

label { margin-top: 8px; font-size: 0.8rem; font-weight: 700; }
label span { color: var(--ink-muted); font-weight: 500; }

select, input, textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 13px;
  border: 1px solid var(--line);
  border-radius: 0;
  color: var(--ink);
  background: var(--paper);
  font-size: 1rem;
}

textarea { resize: vertical; line-height: 1.6; }

select:focus, input:focus, textarea:focus, button:focus-visible, a:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--blue) 45%, transparent);
  outline-offset: 2px;
}

.consent-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  margin: 12px 0;
  color: var(--ink-muted);
  font-weight: 500;
  line-height: 1.55;
}

.consent-row input { width: 20px; min-height: 20px; accent-color: var(--blue); }

.ink-button {
  justify-self: start;
  min-height: 48px;
  padding: 12px 20px;
  border: 1px solid var(--ink);
  color: var(--paper);
  background: var(--ink);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 150ms ease-out, box-shadow 150ms ease-out;
}

.ink-button:hover { box-shadow: 5px 5px 0 var(--blue); transform: translate(-2px, -2px); }
.ink-button:active { transform: scale(0.98); }
.ink-button:disabled { cursor: wait; opacity: 0.55; box-shadow: none; transform: none; }

.form-status { min-height: 1.5em; margin: 5px 0 0; color: var(--blue-deep); }
.form-status[data-error="true"] { color: var(--red); }

.recommendations { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }

.recommendation {
  min-height: 150px;
  padding: 20px;
  border: 1px solid var(--line);
  color: inherit;
  background: var(--paper-raised);
  text-decoration: none;
}

.recommendation:hover { border-color: var(--blue); }
.recommendation .open-label { display: block; margin-top: 18px; color: var(--blue-deep); font: 700 0.75rem "Avenir Next", sans-serif; }

.footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 32px 0 0;
  color: var(--ink-muted);
  font-size: 0.8rem;
  line-height: 1.6;
}

.footer p { max-width: 26rem; margin: 0; }
.footer nav { display: flex; gap: 16px; }
a { color: var(--blue-deep); text-underline-offset: 3px; }

@media (max-width: 520px) {
  .shell { width: min(100% - 28px, 760px); }
  .masthead-grid { grid-template-columns: 1fr; }
  .edition { grid-template-columns: auto auto; justify-content: start; text-align: left; }
  .update-item { grid-template-columns: 1fr; gap: 6px; }
  .roadmap-item { grid-template-columns: 28px minmax(0, 1fr); }
  .status-chip { grid-column: 2; justify-self: start; }
  .recommendations { grid-template-columns: 1fr; }
  .footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}