:root {
  color-scheme: light;
  --ink: #233238;
  --muted: #66767d;
  --paper: rgba(255, 255, 255, 0.78);
  --paper-strong: #ffffff;
  --line: rgba(35, 50, 56, 0.12);
  --mint: #74d6bd;
  --coral: #ff927c;
  --sun: #ffd66e;
  --sky: #84c8ff;
  --rose: #f7a4b8;
  --shadow: 0 24px 70px rgba(51, 75, 86, 0.16);
  --radius: 8px;
}

body[data-theme="evening"] {
  --ink: #263047;
  --muted: #65708b;
  --paper: rgba(255, 255, 255, 0.82);
  --line: rgba(38, 48, 71, 0.13);
  --mint: #8edcc7;
  --coral: #ff9d8b;
  --sun: #ffe08a;
  --sky: #9bc6ff;
  --rose: #e9a8d6;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  background:
    linear-gradient(116deg, rgba(255, 214, 110, 0.52) 0 18%, transparent 18% 36%, rgba(132, 200, 255, 0.34) 36% 58%, transparent 58%),
    linear-gradient(152deg, transparent 0 12%, rgba(255, 146, 124, 0.22) 12% 25%, transparent 25% 48%, rgba(116, 214, 189, 0.42) 48% 76%, transparent 76%),
    linear-gradient(135deg, rgba(255, 249, 225, 0.82), rgba(234, 249, 245, 0.92) 48%, rgba(245, 250, 255, 0.86)),
    #f8fbf7;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.28;
  background-image:
    linear-gradient(120deg, transparent 0 44%, rgba(255, 255, 255, 0.55) 45% 46%, transparent 47%),
    linear-gradient(30deg, transparent 0 47%, rgba(35, 50, 56, 0.08) 48% 49%, transparent 50%);
  background-size: 140px 140px, 180px 180px;
  mask-image: linear-gradient(to bottom, black, transparent 76%);
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.page-shell {
  position: relative;
  overflow: hidden;
}

.hero {
  padding: 24px clamp(18px, 4vw, 58px) 34px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  max-width: 1180px;
  margin: 0 auto;
}

.brand,
.primary-link {
  color: inherit;
  text-decoration: none;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--paper);
  font-family: "Songti SC", "STSong", "SimSun", serif;
}

.nav-actions {
  display: flex;
  gap: 10px;
}

.icon-button {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink);
  background: var(--paper);
  box-shadow: 0 12px 26px rgba(35, 50, 56, 0.08);
}

.icon-button svg,
.search-box svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.9;
}

.hero-grid {
  display: grid;
  align-content: center;
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(48px, 8vw, 82px) 0 18px;
}

.eyebrow {
  margin: 0 0 12px;
  color: #3c7a72;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  font-family: "Songti SC", "STSong", "SimSun", Georgia, serif;
}

h1 {
  max-width: 1040px;
  font-size: clamp(2.6rem, 6.2vw, 5.9rem);
  line-height: 1.02;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.8rem);
}

.hero-quotes {
  display: grid;
  max-width: 760px;
  gap: 12px;
  margin: 28px 0 0;
  color: #43565e;
}

.hero-quotes blockquote {
  margin: 0;
}

.hero-quotes p {
  margin: 0;
  font-size: clamp(1rem, 1.9vw, 1.18rem);
  font-weight: 600;
  line-height: 1.58;
}

.hero-quotes cite {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.88rem;
  font-style: normal;
}

.hero-tools {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  width: min(100%, 430px);
  min-height: 50px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 18px 42px rgba(35, 50, 56, 0.12);
}

.search-box input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  color: var(--ink);
  background: transparent;
}

.primary-link {
  display: inline-flex;
  align-items: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  color: #142727;
  font-weight: 800;
  background: var(--sun);
  box-shadow: 0 16px 34px rgba(214, 145, 45, 0.22);
}

.stats-band {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  max-width: 620px;
  margin: 0 0 32px;
  padding: 0;
}

.stats-band button {
  display: flex;
  min-height: 74px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-align: center;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 12px 26px rgba(35, 50, 56, 0.08);
  backdrop-filter: blur(16px);
  cursor: pointer;
}

.stats-band button + button {
  border-left: 1px solid var(--line);
}

.stats-band button:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 32px rgba(35, 50, 56, 0.11);
}

.stats-band strong {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  line-height: 1;
}

.stats-band span {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.category-home,
.collection,
.contribute-panel {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 58px) 80px;
}

.contribute-panel {
  display: grid;
  grid-template-columns: minmax(240px, 0.74fr) minmax(320px, 1fr);
  gap: 24px;
  align-items: start;
  padding-bottom: 64px;
}

.contribute-copy {
  padding: 24px 0;
}

.contribute-copy h2 {
  font-size: clamp(1.8rem, 3vw, 3rem);
}

.contribute-copy p:last-child {
  max-width: 480px;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.75;
}

.contribute-form {
  display: grid;
  gap: 12px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 14px 34px rgba(35, 50, 56, 0.08);
  backdrop-filter: blur(16px);
}

.contribute-form label {
  display: grid;
  gap: 7px;
}

.contribute-form label span {
  color: #3f5f68;
  font-size: 0.78rem;
  font-weight: 800;
}

.contribute-form textarea,
.contribute-form input,
.contribute-form select {
  width: 100%;
  border: 1px solid rgba(35, 50, 56, 0.14);
  border-radius: var(--radius);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.72);
}

.contribute-form textarea {
  min-height: 76px;
  padding: 10px 12px;
  resize: vertical;
  line-height: 1.55;
}

.contribute-form input,
.contribute-form select {
  min-height: 42px;
  padding: 0 12px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(180px, 1fr));
  gap: 12px;
}

.contribute-form .primary-link {
  justify-content: center;
  width: fit-content;
  min-height: 42px;
  border: 0;
}

.form-status {
  min-height: 20px;
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.collection[hidden],
.category-home[hidden] {
  display: none;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 22px;
}

.section-heading > p {
  margin: 0 0 8px;
  color: var(--muted);
}

.section-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: end;
}

#resultCount {
  margin: 0;
  color: var(--muted);
  white-space: nowrap;
}

.source-note {
  max-width: 860px;
  margin: -10px 0 24px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.back-link {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 800;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.68);
}

.filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 26px;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.7);
}

.filter-chip.is-active {
  border-color: transparent;
  color: #123432;
  font-weight: 800;
  background: var(--mint);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 14px;
}

.category-card {
  position: relative;
  min-height: 150px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: inherit;
  text-decoration: none;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.52)),
    linear-gradient(135deg, rgba(116, 214, 189, 0.22), rgba(255, 214, 110, 0.18));
  box-shadow: 0 12px 30px rgba(35, 50, 56, 0.08);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.category-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 38px rgba(35, 50, 56, 0.12);
}

.category-card strong {
  display: block;
  margin-bottom: 12px;
  font-family: "Songti SC", "STSong", "SimSun", Georgia, serif;
  font-size: 1.5rem;
}

.category-card span {
  color: var(--muted);
  font-size: 0.92rem;
}

.category-card em {
  position: absolute;
  right: 16px;
  bottom: 14px;
  color: rgba(35, 50, 56, 0.4);
  font-style: normal;
  font-weight: 800;
}

.quote-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
}

.quote-card {
  position: relative;
  display: flex;
  min-height: 156px;
  flex-direction: column;
  gap: 10px;
  padding: 15px 15px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: 0 10px 26px rgba(35, 50, 56, 0.07);
  backdrop-filter: blur(14px);
}

.quote-card.long {
  min-height: 190px;
}

.quote-card.is-targeted {
  outline: 3px solid rgba(116, 214, 189, 0.85);
  outline-offset: 4px;
  box-shadow: 0 20px 46px rgba(35, 50, 56, 0.16);
}

.quote-card::after {
  content: "";
  position: absolute;
  inset: auto 14px 0;
  height: 3px;
  border-radius: 999px 999px 0 0;
  background: linear-gradient(90deg, var(--mint), var(--sun), var(--coral));
}

.quote-body {
  display: grid;
  flex: 1;
  gap: 8px;
  align-content: start;
}

.quote-text {
  margin: 0;
  white-space: pre-line;
}

.quote-zh {
  font-family: "Songti SC", "STSong", "SimSun", Georgia, serif;
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.62;
}

.quote-en {
  padding-top: 8px;
  border-top: 1px solid rgba(35, 50, 56, 0.09);
  color: #536a72;
  font-size: 0.84rem;
  font-weight: 500;
  line-height: 1.58;
}

.quote-body .quote-en:first-child {
  padding-top: 0;
  border-top: 0;
}

.reader-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.reader-actions {
  justify-content: start;
  gap: 6px;
  flex-wrap: wrap;
  padding-top: 0;
}

.reaction-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-height: 28px;
  padding: 0 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.66);
}

.reaction-btn svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.reaction-btn.is-active {
  border-color: rgba(255, 146, 124, 0.42);
  color: #d94c62;
  background: rgba(255, 146, 124, 0.16);
}

.reaction-btn.is-active svg {
  fill: currentColor;
}

.note-action {
  color: #38635e;
  background: rgba(116, 214, 189, 0.18);
}

.comment-board {
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px dashed rgba(35, 50, 56, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.42);
}

.comment-board span {
  color: #3f5f68;
  font-size: 0.78rem;
  font-weight: 800;
}

.comment-board p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.55;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(35, 50, 56, 0.28);
  backdrop-filter: blur(10px);
}

.modal-backdrop[hidden] {
  display: none;
}

.proofread-dialog {
  width: min(100%, 620px);
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow);
}

.dialog-head,
.dialog-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.dialog-head {
  margin-bottom: 18px;
}

.dialog-head h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
}

.dialog-close {
  flex: 0 0 auto;
  font-size: 1.4rem;
}

.proofread-dialog textarea {
  width: 100%;
  min-height: 132px;
  margin-bottom: 16px;
  padding: 14px 16px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  outline: 0;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.72);
}

.secondary-button {
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  font-weight: 800;
  background: rgba(255, 255, 255, 0.76);
}

.empty-state {
  display: none;
  margin: 42px 0;
  color: var(--muted);
  text-align: center;
}

.empty-state.is-visible {
  display: block;
}

@media (max-width: 900px) {
  .hero {
    min-height: auto;
  }

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

  .contribute-panel {
    grid-template-columns: 1fr;
  }

  .stats-band {
    max-width: none;
    margin-inline: 18px;
    padding: 0;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 18px;
  }

  .hero-grid {
    padding-top: 48px;
  }

  .hero-tools,
  .search-box,
  .primary-link {
    width: 100%;
  }

  .primary-link {
    justify-content: center;
  }

  .stats-band {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .stats-band button + button {
    border-left: 1px solid var(--line);
  }

  .stats-band button {
    min-height: 62px;
    flex-direction: column;
    gap: 4px;
    padding: 10px 6px;
  }

  .stats-band span {
    font-size: 0.78rem;
  }

  .section-heading {
    align-items: start;
    flex-direction: column;
  }

  .section-actions {
    justify-content: start;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  #resultCount {
    white-space: normal;
  }
}