@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;600&family=Noto+Serif+SC:wght@500;600;700&display=swap");

:root {
  --page: #f1eff9;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-strong: rgba(255, 255, 255, 0.94);
  --ink: #29243e;
  --ink-soft: #615a75;
  --muted: #898197;
  --line: rgba(88, 72, 126, 0.15);
  --accent: #6f5cc6;
  --accent-soft: #eee9ff;
  --blue: #7193b9;
  --warm: #c28c60;
  --sans: "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  --serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
  --shadow: 0 20px 60px rgba(54, 42, 89, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 16% 4%, rgba(255, 255, 255, 0.94), transparent 28%),
    radial-gradient(circle at 86% 18%, rgba(210, 224, 246, 0.56), transparent 25%),
    linear-gradient(155deg, #f7f5fb 0%, var(--page) 48%, #eef4f8 100%);
  font-family: var(--sans);
  line-height: 1.65;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
  font: inherit;
}

a {
  color: inherit;
}

[hidden] {
  display: none !important;
}

.plaza-header {
  position: relative;
  z-index: 20;
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(22px, 4vw, 58px);
  border-bottom: 1px solid var(--line);
  background: rgba(245, 243, 251, 0.82);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(88, 72, 126, 0.28);
  border-radius: 50%;
  color: var(--accent);
  background: var(--surface);
}

.brand-mark i {
  font-size: 21px;
}

.plaza-home-link {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.58);
  font-size: 13px;
  text-decoration: none;
}

.plaza-home-link:hover,
.plaza-home-link:focus-visible {
  color: var(--ink);
  background: var(--surface-strong);
  outline: none;
}

.plaza-main {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(44px, 7vw, 84px) 0 72px;
}

.plaza-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 390px);
  align-items: end;
  gap: clamp(36px, 7vw, 92px);
  padding: 0 clamp(4px, 2vw, 24px) clamp(42px, 6vw, 70px);
}

.plaza-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.plaza-hero h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(48px, 8vw, 86px);
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.06;
}

.plaza-lead {
  margin: 18px 0 0;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: clamp(20px, 3vw, 29px);
}

.plaza-description {
  max-width: 620px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
}

.plaza-council-link {
  width: min(100%, 520px);
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  margin-top: 26px;
  padding: 15px 17px;
  border: 1px solid rgba(88, 72, 126, 0.16);
  border-radius: 20px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.62);
  box-shadow: 0 14px 34px rgba(64, 53, 99, 0.07);
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.plaza-council-link:hover,
.plaza-council-link:focus-visible {
  border-color: rgba(88, 72, 126, 0.32);
  box-shadow: 0 18px 40px rgba(64, 53, 99, 0.12);
  transform: translateY(-2px);
}

.plaza-council-link-icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  color: var(--accent);
  background: var(--accent-soft);
  font-size: 22px;
}

.plaza-council-link small,
.plaza-council-link strong,
.plaza-council-link em {
  display: block;
}

.plaza-council-link small {
  color: var(--muted);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.13em;
}

.plaza-council-link strong {
  margin-top: 2px;
  font-family: var(--serif);
  font-size: 18px;
}

.plaza-council-link em {
  margin-top: 3px;
  color: var(--muted);
  font-size: 11px;
  font-style: normal;
}

.plaza-council-link > i {
  color: var(--accent);
  font-size: 18px;
}

.plaza-status {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  align-items: center;
  gap: 14px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.54);
  box-shadow: 0 14px 38px rgba(64, 53, 99, 0.07);
}

.plaza-status-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 17px;
  color: var(--accent);
  background: var(--accent-soft);
  font-size: 23px;
}

.plaza-status strong,
.plaza-status span {
  display: block;
}

.plaza-status strong {
  font-size: 14px;
}

.plaza-status div > span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}

.plaza-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.plaza-card {
  min-height: 330px;
  padding: clamp(24px, 4vw, 36px);
  border: 1px solid var(--line);
  border-radius: 30px;
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.tide-card {
  background:
    radial-gradient(circle at 90% 6%, rgba(214, 204, 250, 0.38), transparent 28%),
    var(--surface);
}

.topic-card {
  background:
    radial-gradient(circle at 90% 9%, rgba(208, 226, 244, 0.5), transparent 28%),
    var(--surface);
}

.message-card {
  background:
    radial-gradient(circle at 10% 100%, rgba(238, 218, 205, 0.46), transparent 33%),
    var(--surface);
}

.sharing-card {
  background:
    radial-gradient(circle at 88% 100%, rgba(218, 230, 220, 0.48), transparent 34%),
    var(--surface);
}

.plaza-card-heading {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
}

.plaza-card-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(111, 92, 198, 0.12);
  border-radius: 15px;
  color: var(--accent);
  background: rgba(255, 255, 255, 0.7);
  font-size: 20px;
}

.plaza-card-heading p,
.plaza-card-heading h2 {
  margin: 0;
}

.plaza-card-heading p {
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.plaza-card-heading h2 {
  margin-top: 1px;
  font-family: var(--serif);
  font-size: 23px;
  letter-spacing: 0.04em;
}

.plaza-card-heading time {
  align-self: start;
  color: var(--muted);
  font-size: 11px;
}

.tide-card blockquote {
  margin: 34px 0;
  color: #423a58;
  font-family: var(--serif);
  font-size: clamp(19px, 2.4vw, 25px);
  line-height: 1.85;
}

.tide-card footer,
.message-meta,
.topic-answer {
  display: flex;
  align-items: center;
  gap: 11px;
}

.resident-mini-avatar {
  width: 35px;
  height: 35px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  color: #5f4e9c;
  background: #e9e3fa;
  font-family: var(--serif);
  font-size: 13px;
}

.tide-card footer span:last-child,
.message-meta span:last-child {
  display: grid;
}

.tide-card footer strong,
.message-meta strong {
  font-size: 12px;
}

.tide-card footer small,
.message-meta small {
  color: var(--muted);
  font-size: 10px;
}

.topic-card > h3 {
  margin: 32px 0 22px;
  font-family: var(--serif);
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 600;
  line-height: 1.65;
}

.topic-answer {
  align-items: flex-start;
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.54);
}

.topic-answer p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.75;
}

.topic-answer strong {
  display: block;
  margin-bottom: 4px;
  color: var(--ink);
}

.plaza-future-note,
.sharing-intro {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.plaza-message-list {
  display: grid;
  gap: 12px;
  max-height: 420px;
  margin-top: 28px;
  padding-right: 3px;
  overflow-y: auto;
  scrollbar-color: rgba(111, 92, 198, 0.24) transparent;
}

.message-bubble {
  padding: 19px;
  border: 1px solid rgba(194, 140, 96, 0.15);
  border-radius: 20px 20px 20px 7px;
  background: rgba(255, 255, 255, 0.6);
}

.message-bubble.is-placeholder {
  border-style: dashed;
  color: var(--muted);
  text-align: center;
}

.message-bubble > p {
  margin: 15px 0 0;
  color: var(--ink-soft);
  font-size: 14px;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.message-bubble.is-placeholder > p {
  margin-top: 0;
}

.plaza-quiet-button {
  width: 100%;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 18px;
  border: 1px dashed rgba(88, 72, 126, 0.22);
  border-radius: 14px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.42);
  cursor: pointer;
}

.plaza-quiet-button:hover,
.plaza-quiet-button:focus-visible {
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.7);
  outline: none;
}

.plaza-quiet-button small {
  padding: 2px 6px;
  border-radius: 999px;
  background: rgba(88, 72, 126, 0.08);
  font-size: 9px;
}

.plaza-inline-note {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 11px;
  text-align: center;
}

.sharing-intro {
  margin-top: 28px;
  font-size: 13px;
  line-height: 1.8;
}

.sharing-links {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.sharing-links a {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) 20px;
  align-items: center;
  gap: 11px;
  padding: 13px;
  border: 1px solid rgba(88, 72, 126, 0.12);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.54);
  text-decoration: none;
}

.sharing-links a:hover,
.sharing-links a:focus-visible {
  border-color: rgba(111, 92, 198, 0.25);
  background: rgba(255, 255, 255, 0.82);
  outline: none;
}

.sharing-links a > i:first-child {
  color: var(--accent);
  font-size: 20px;
}

.sharing-links span {
  display: grid;
}

.sharing-links strong {
  font-size: 12px;
}

.sharing-links small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 10px;
}

.sharing-links a > i:last-child {
  color: var(--muted);
}

.plaza-horizon {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  align-items: center;
  gap: 18px;
  margin-top: 18px;
  padding: 25px clamp(24px, 4vw, 38px);
  border: 1px dashed rgba(88, 72, 126, 0.2);
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.34);
}

.plaza-horizon-mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 17px;
  color: var(--warm);
  background: rgba(255, 255, 255, 0.64);
  font-size: 21px;
}

.plaza-horizon p,
.plaza-horizon h2,
.plaza-horizon span {
  margin: 0;
}

.plaza-horizon p {
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.plaza-horizon h2 {
  margin-top: 3px;
  font-family: var(--serif);
  font-size: 19px;
}

.plaza-horizon div > span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
}

@media (max-width: 820px) {
  .plaza-hero,
  .plaza-grid {
    grid-template-columns: 1fr;
  }

  .plaza-status {
    width: min(100%, 460px);
  }
}

@media (max-width: 560px) {
  .plaza-header {
    min-height: 66px;
    padding: 10px 14px;
  }

  .brand {
    font-size: 17px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
  }

  .plaza-home-link {
    width: 38px;
    min-height: 38px;
    justify-content: center;
    padding: 0;
  }

  .plaza-home-link span {
    display: none;
  }

  .plaza-main {
    width: min(100% - 24px, 1180px);
    padding-top: 42px;
  }

  .plaza-hero {
    gap: 30px;
    padding: 0 8px 38px;
  }

  .plaza-hero h1 {
    font-size: 46px;
  }

  .plaza-council-link {
    grid-template-columns: 42px minmax(0, 1fr) auto;
    padding: 13px 14px;
  }

  .plaza-council-link-icon {
    width: 42px;
    height: 42px;
  }

  .plaza-card {
    min-height: auto;
    padding: 23px 20px;
    border-radius: 24px;
  }

  .plaza-card-heading {
    grid-template-columns: 40px minmax(0, 1fr) auto;
  }

  .tide-card blockquote {
    margin: 28px 0;
  }

  .plaza-horizon {
    grid-template-columns: 42px minmax(0, 1fr);
    padding: 22px 20px;
  }

  .plaza-horizon-mark {
    width: 42px;
    height: 42px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}