:root {
  color-scheme: dark;
  --bg: #090c09;
  --bg-soft: #0f130f;
  --surface: #141912;
  --surface-2: #1a2118;
  --surface-3: #20291e;
  --border: #2b3729;
  --border-strong: #43513d;
  --text: #edf3e9;
  --muted: #a7b19f;
  --faint: #737f6e;
  --accent: #9ee493;
  --accent-2: #63c7bd;
  --warm: #efc36b;
  --rose: #e28b97;
  --x: #63c7bd;
  --podcast: #efc36b;
  --blog: #9ee493;
  --icon-all: url("./icons/icon-brief.svg");
  --icon-x: url("./icons/icon-x.svg");
  --icon-podcast: url("./icons/icon-podcast.svg");
  --icon-blog: url("./icons/icon-blog.svg");
  --radius: 8px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 78% 0%, rgba(99, 199, 189, 0.13), transparent 28rem),
    linear-gradient(180deg, #0d110d 0%, var(--bg) 48rem);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
}

a {
  color: var(--accent);
  text-decoration: none;
  text-underline-offset: 3px;
}

a:hover { text-decoration: underline; }

button { font: inherit; }

/* ---------------- topbar ---------------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(67, 81, 61, 0.72);
  background: rgba(9, 12, 9, 0.82);
  backdrop-filter: blur(14px);
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: min(1180px, calc(100% - 40px));
  min-height: 58px;
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: var(--text);
}

.brand:hover { text-decoration: none; }

.brand__mark {
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(158, 228, 147, 0.12), 0 0 22px rgba(158, 228, 147, 0.45);
}

.brand__text {
  overflow: hidden;
  font-weight: 700;
  letter-spacing: 0;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.stats {
  display: flex;
  gap: 18px;
  margin: 0;
}

.stats div {
  display: grid;
  gap: 1px;
  min-width: 84px;
}

.stats dt,
.metric__label,
.eyebrow,
.sidebar__title,
.badge {
  font-family: var(--mono);
  text-transform: uppercase;
}

.stats dt {
  color: var(--faint);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.stats dd {
  margin: 0;
  color: var(--text);
  font-family: var(--mono);
  font-size: 12px;
  white-space: nowrap;
}

/* ---------------- hero ---------------- */
.hero {
  border-bottom: 1px solid rgba(67, 81, 61, 0.52);
}

.hero__inner {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 54px 0 34px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--warm);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.hero h1 {
  max-width: 860px;
  margin: 0;
  color: var(--text);
  font-size: clamp(34px, 6vw, 68px);
  font-weight: 760;
  line-height: 1.02;
  letter-spacing: 0;
}

.hero__lead {
  max-width: 820px;
  margin: 22px 0 0;
  color: #d9e1d3;
  font-size: 18px;
  line-height: 1.7;
}

.hero__note {
  max-width: 880px;
  margin: 18px 0 0;
  color: var(--faint);
  font-size: 13px;
}

/* ---------------- overview ---------------- */
.overview {
  border-bottom: 1px solid rgba(67, 81, 61, 0.48);
  background: rgba(15, 19, 15, 0.76);
}

.overview__inner {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.metric {
  min-height: 96px;
  padding: 20px 22px;
  border-left: 1px solid rgba(67, 81, 61, 0.52);
}

.metric:last-child { border-right: 1px solid rgba(67, 81, 61, 0.52); }

.metric__label {
  display: block;
  color: var(--faint);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.metric strong {
  display: block;
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 28px;
  line-height: 1;
}

.metric--x strong { color: var(--x); }
.metric--podcast strong { color: var(--podcast); }
.metric--blog strong { color: var(--blog); }

/* ---------------- layout ---------------- */
.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 270px;
  gap: 28px;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 26px 0 42px;
}

.content { min-width: 0; }

/* ---------------- notice and toolbar ---------------- */
.notice {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 58px;
  margin-bottom: 14px;
  padding: 12px 16px;
  border: 1px solid rgba(239, 195, 107, 0.32);
  border-radius: var(--radius);
  background: linear-gradient(90deg, rgba(239, 195, 107, 0.11), rgba(99, 199, 189, 0.06));
}

.notice strong {
  margin-right: 10px;
  color: var(--warm);
}

.notice span {
  color: #dce4d8;
  font-size: 14px;
}

.notice a {
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: 12px;
}

.toolbar {
  position: sticky;
  top: 58px;
  z-index: 15;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
  padding: 10px;
  border: 1px solid rgba(67, 81, 61, 0.78);
  border-radius: var(--radius);
  background: rgba(14, 18, 13, 0.88);
  backdrop-filter: blur(12px);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-width: 0;
}

.filter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 34px;
  padding: 6px 11px;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.14s, border-color 0.14s, color 0.14s;
}

.filter:hover {
  color: var(--text);
  border-color: var(--border-strong);
}

.filter[aria-pressed="true"] {
  color: #071007;
  background: var(--accent);
  border-color: var(--accent);
}

.filter::before,
.badge::before {
  display: inline-block;
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
  background: currentColor;
  content: "";
  -webkit-mask: var(--icon-all) center / contain no-repeat;
  mask: var(--icon-all) center / contain no-repeat;
}

.filter[data-type="x"]::before,
.card[data-type="x"] .badge::before {
  -webkit-mask-image: var(--icon-x);
  mask-image: var(--icon-x);
}

.filter[data-type="podcast"]::before,
.card[data-type="podcast"] .badge::before {
  -webkit-mask-image: var(--icon-podcast);
  mask-image: var(--icon-podcast);
}

.filter[data-type="blog"]::before,
.card[data-type="blog"] .badge::before {
  -webkit-mask-image: var(--icon-blog);
  mask-image: var(--icon-blog);
}

.filter__count {
  min-width: 22px;
  padding: 1px 7px;
  border-radius: 999px;
  background: rgba(9, 12, 9, 0.82);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  text-align: center;
}

.filter[aria-pressed="true"] .filter__count {
  color: var(--text);
  background: rgba(9, 12, 9, 0.68);
}

.lang {
  display: inline-grid;
  grid-template-columns: repeat(2, minmax(58px, 1fr));
  flex: 0 0 auto;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #0c100c;
}

.lang__btn {
  min-height: 28px;
  padding: 4px 10px;
  color: var(--muted);
  background: none;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
}

.lang__btn:hover { color: var(--text); }

.lang__btn[aria-pressed="true"] {
  color: #071007;
  background: var(--accent);
}

/* ---------------- feed cards ---------------- */
.feed {
  display: grid;
  gap: 12px;
}

.card {
  position: relative;
  overflow: hidden;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-left: 4px solid var(--border);
  border-radius: var(--radius);
  background: rgba(20, 25, 18, 0.92);
}

.card::before {
  position: absolute;
  inset: 0 0 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(237, 243, 233, 0.14), transparent);
  content: "";
}

.card[data-type="x"] { border-left-color: var(--x); }
.card[data-type="podcast"] { border-left-color: var(--podcast); }
.card[data-type="blog"] { border-left-color: var(--blog); }

.card__head {
  display: flex;
  align-items: center;
  gap: 8px 10px;
  margin-bottom: 10px;
}

.avatar {
  position: relative;
  display: grid;
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(99, 199, 189, 0.48);
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(99, 199, 189, 0.18), rgba(158, 228, 147, 0.14));
}

.avatar__fallback {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 700;
}

.avatar__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: var(--surface);
}

.card__identity {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 7px 9px;
  min-width: 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  flex: 0 0 auto;
  padding: 2px 7px;
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.06em;
}

.badge::before {
  width: 12px;
  height: 12px;
}

.card[data-type="x"] .badge {
  color: var(--x);
  border-color: rgba(99, 199, 189, 0.45);
}

.card[data-type="podcast"] .badge {
  color: var(--podcast);
  border-color: rgba(239, 195, 107, 0.45);
}

.card[data-type="blog"] .badge {
  color: var(--blog);
  border-color: rgba(158, 228, 147, 0.45);
}

.card__source {
  min-width: 0;
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card__handle {
  color: var(--faint);
  font-family: var(--mono);
  font-size: 12px;
}

.card__time {
  margin-left: auto;
  flex: 0 0 auto;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 12px;
  white-space: nowrap;
}

.card__title {
  margin: 3px 0 8px;
  color: var(--text);
  font-size: 17px;
  font-weight: 720;
  line-height: 1.38;
}

.card__title a { color: inherit; }

.card__body {
  color: #e2e9de;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.card__body.is-clamped {
  position: relative;
  max-height: 6.6em;
  overflow: hidden;
}

.card__body.is-clamped::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2.5em;
  background: linear-gradient(transparent, var(--surface));
  content: "";
}

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

.translation__pane {
  min-width: 0;
}

.translation__label {
  display: block;
  margin-bottom: 6px;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.translation__pane--original {
  padding-left: 14px;
  border-left: 1px dashed rgba(67, 81, 61, 0.9);
  color: var(--muted);
}

.bio {
  margin: -4px 0 10px;
  color: var(--faint);
  font-size: 12px;
  line-height: 1.45;
  white-space: pre-wrap;
}

.card__foot {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 16px;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid rgba(67, 81, 61, 0.48);
}

.metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 12px;
}

.metrics span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.metrics b {
  color: var(--muted);
  font-weight: 650;
}

.toggle {
  padding: 0;
  color: var(--accent);
  background: none;
  border: 0;
  cursor: pointer;
  font-size: 12px;
}

.toggle:hover { text-decoration: underline; }

.link-out {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 12px;
}

.quote {
  margin: 9px 0 0;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 12px;
}

/* ---------------- sidebar / history ---------------- */
.sidebar {
  align-self: start;
  position: sticky;
  top: 84px;
}

.sidebar__section {
  margin-bottom: 14px;
  padding: 0 0 12px;
  border-bottom: 1px solid rgba(67, 81, 61, 0.5);
}

.sidebar__section--muted {
  margin-top: 16px;
  color: var(--faint);
}

.sidebar__title {
  margin: 0 0 8px;
  color: var(--faint);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.08em;
}

.sidebar__copy {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.history {
  display: grid;
  gap: 5px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.history__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  width: 100%;
  min-height: 36px;
  padding: 8px 10px;
  color: var(--muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  text-align: left;
}

.history__item:hover {
  color: var(--text);
  background: rgba(20, 25, 18, 0.9);
  border-color: var(--border);
}

.history__item[aria-current="true"] {
  color: #071007;
  background: var(--accent);
  border-color: var(--accent);
}

.history__date,
.history__count {
  font-family: var(--mono);
}

.history__date {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.history__count {
  min-width: 24px;
  color: inherit;
  font-size: 11px;
  text-align: right;
}

/* ---------------- misc ---------------- */
.empty {
  margin: 0;
  padding: 44px 20px;
  color: var(--faint);
  text-align: center;
}

.footer {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 18px 0 44px;
  border-top: 1px solid rgba(67, 81, 61, 0.58);
  color: var(--faint);
  font-size: 12px;
}

/* ---------------- responsive ---------------- */
@media (max-width: 900px) {
  .topbar__inner,
  .hero__inner,
  .overview__inner,
  .layout,
  .footer {
    width: min(100% - 28px, 720px);
  }

  .topbar__inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 12px 0;
  }

  .topbar__stats {
    width: 100%;
    justify-content: space-between;
  }

  .hero__inner { padding: 38px 0 28px; }
  .hero__lead { font-size: 16px; }

  .overview__inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metric:nth-child(2n) { border-right: 1px solid rgba(67, 81, 61, 0.52); }
  .metric:nth-child(n + 3) { border-top: 1px solid rgba(67, 81, 61, 0.52); }

  .layout { grid-template-columns: 1fr; }
  .sidebar {
    position: static;
    order: -1;
  }

  .history {
    grid-template-columns: repeat(auto-fit, minmax(138px, 1fr));
  }

  .toolbar {
    top: 91px;
    align-items: stretch;
    flex-direction: column;
  }

  .lang { width: 100%; }
}

@media (max-width: 620px) {
  body { font-size: 14px; }

  .topbar__stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
  }

  .stats div { min-width: 0; }
  .stats dd { overflow: hidden; text-overflow: ellipsis; }

  .overview__inner { grid-template-columns: 1fr; }
  .metric {
    min-height: 82px;
    border-right: 1px solid rgba(67, 81, 61, 0.52);
  }
  .metric + .metric { border-top: 1px solid rgba(67, 81, 61, 0.52); }

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

  .filter {
    flex: 1 1 calc(50% - 8px);
    min-width: 0;
  }

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

  .translation__pane--original {
    padding-top: 10px;
    padding-left: 0;
    border-top: 1px dashed rgba(67, 81, 61, 0.9);
    border-left: 0;
  }

  .card__time {
    width: 100%;
    margin-left: 0;
  }

  .card[data-type="x"] .card__time { padding-left: 48px; }

  .link-out {
    width: 100%;
    margin-left: 0;
  }
}