:root {
  color-scheme: light;
  --bg: #f6f7f4;
  --panel: #ffffff;
  --ink: #1b211d;
  --muted: #667065;
  --line: #dce2d9;
  --green: #1f8a5b;
  --green-dark: #14613f;
  --amber: #c88316;
  --red: #b13b35;
  --blue: #2e6f95;
  --shadow: 0 16px 44px rgba(32, 39, 33, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(246, 247, 244, 0.92)),
    radial-gradient(circle at top right, rgba(46, 111, 149, 0.16), transparent 34%),
    var(--bg);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

.public-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 22px 0 42px;
}

.topbar,
.section-head,
.hero-grid,
.model-strip,
.signal-band,
.disclaimer-band,
.status-line {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(16px);
}

.topbar {
  position: sticky;
  top: 12px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 72px;
  padding: 12px 16px;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  font-weight: 800;
}

.brand strong,
.brand em {
  display: block;
}

.brand em {
  color: var(--muted);
  font-style: normal;
  font-size: 0.82rem;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.top-nav a {
  padding: 9px 11px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.92rem;
}

.top-nav a:hover {
  background: #eef3ee;
  color: var(--ink);
}

.status-line {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 18px 0 10px;
  padding: 11px 14px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.92rem;
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--amber);
}

.status-line.ready .status-dot {
  background: var(--green);
}

.status-line.error .status-dot {
  background: var(--red);
}

.model-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.64fr);
  gap: 12px;
  align-items: stretch;
  margin-bottom: 18px;
  padding: 12px;
  border-radius: 8px;
}

.model-summary {
  display: grid;
  grid-template-columns: minmax(185px, 0.38fr) minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  min-width: 0;
}

.model-summary h2 {
  margin: 0;
  font-size: 1.08rem;
  letter-spacing: 0;
}

.model-chips {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  align-self: center;
  align-items: center;
  gap: 8px;
}

.model-chips .method-card {
  align-self: center;
  min-height: 46px;
  padding: 8px 9px;
}

.model-chips .method-card span {
  white-space: nowrap;
}

.model-chips .method-card small {
  margin-top: 3px;
  line-height: 1.25;
}

.fee-form {
  display: grid;
  grid-template-columns: minmax(104px, 0.34fr) minmax(0, 1fr);
  align-items: center;
  gap: 9px;
  min-width: 0;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfa;
}

.fee-form-head {
  display: grid;
  justify-items: start;
  gap: 6px;
}

.fee-form-head .eyebrow {
  margin-bottom: 2px;
}

.fee-form-head strong {
  display: block;
  font-size: 0.95rem;
}

.fee-form-head button {
  min-height: 28px;
  padding: 0 9px;
  border: 1px solid #cdd8cf;
  border-radius: 8px;
  background: #eef3ee;
  color: var(--green-dark);
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 800;
}

.fee-inputs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.fee-inputs label {
  display: grid;
  gap: 4px;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
}

.fee-inputs input {
  width: 100%;
  min-height: 34px;
  padding: 6px 8px;
  border: 1px solid #cfd8cf;
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 22px;
  align-items: stretch;
  margin-top: 18px;
  padding: 28px;
  border-radius: 8px;
}

.hero-grid h1 {
  max-width: 680px;
  margin: 0;
  font-size: clamp(2.1rem, 4.8vw, 4.8rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-grid p {
  max-width: 670px;
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.7;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--green-dark);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero-metrics,
.method-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.metric-card,
.method-card {
  min-height: 118px;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfa;
}

.metric-card span,
.method-card span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.metric-card strong {
  display: block;
  margin-top: 10px;
  font-size: 1.72rem;
  line-height: 1;
}

.metric-card small,
.method-card small {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.45;
}

.signal-band {
  margin-top: 18px;
  padding: 18px;
  border-radius: 8px;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
  padding: 12px;
  border-radius: 8px;
}

.section-head h2 {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 6px 10px;
  border: 1px solid #cdd8cf;
  border-radius: 8px;
  background: #eef6f0;
  color: var(--green-dark);
  font-size: 0.82rem;
  font-weight: 700;
  white-space: nowrap;
}

.badge.safe {
  background: #edf5f9;
  color: var(--blue);
}

section[id] {
  scroll-margin-top: 120px;
}

.feed-layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.92fr) minmax(360px, 1.08fr);
  gap: 16px;
  align-items: start;
  overflow-x: auto;
  padding-bottom: 4px;
}

.signal-list {
  display: grid;
  gap: 10px;
}

.signal-card-shell {
  min-width: 0;
}

.signal-card {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  width: 100%;
  min-height: 126px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}

.signal-card:hover,
.signal-card.active {
  border-color: rgba(31, 138, 91, 0.48);
  box-shadow: 0 12px 34px rgba(31, 138, 91, 0.12);
}

.signal-card.locked {
  opacity: 0.72;
}

.mobile-detail {
  display: none;
}

.signal-card-body {
  display: block;
  min-width: 0;
}

.signal-thumb,
.detail-image,
.card-image-placeholder {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f7f8f5;
}

.signal-thumb {
  width: 78px;
  aspect-ratio: 63 / 88;
  object-fit: contain;
  box-shadow: 0 8px 22px rgba(32, 39, 33, 0.09);
}

.card-image-placeholder {
  display: grid;
  place-items: center;
  color: var(--muted);
  font-weight: 800;
}

.signal-card .card-image-placeholder {
  width: 78px;
  aspect-ratio: 63 / 88;
}

.card-top,
.card-metrics,
.detail-metrics,
.access-layout {
  display: grid;
  gap: 10px;
}

.card-top {
  grid-template-columns: 1fr auto;
  align-items: start;
}

.card-top strong {
  display: block;
  font-size: 1rem;
}

.card-top span,
.card-subtitle {
  color: var(--muted);
  font-size: 0.84rem;
}

.card-metrics,
.detail-metrics {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 12px;
}

.mini-metric {
  min-height: 58px;
  padding: 9px;
  border-radius: 8px;
  background: #f5f7f3;
}

.mini-metric span {
  display: block;
  color: var(--muted);
  font-size: 0.72rem;
}

.mini-metric strong {
  display: block;
  margin-top: 4px;
  font-size: 0.96rem;
}

.detail-panel {
  min-height: 480px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.detail-hero {
  display: grid;
  grid-template-columns: 116px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.detail-image,
.detail-panel .card-image-placeholder {
  width: 116px;
  aspect-ratio: 63 / 88;
  object-fit: contain;
  box-shadow: 0 12px 30px rgba(32, 39, 33, 0.12);
}

.detail-title {
  min-width: 0;
}

.detail-panel h3 {
  margin: 0;
  font-size: 1.8rem;
  letter-spacing: 0;
}

.detail-thesis {
  margin: 14px 0;
  padding: 14px;
  border-left: 4px solid var(--green);
  background: #f0f7f1;
  color: #24342a;
  line-height: 1.6;
}

.detail-lock {
  margin-top: 16px;
  padding: 14px;
  border: 1px solid #ead7b9;
  border-radius: 8px;
  background: #fff8ed;
  color: #6e4f1f;
}

.flag-row,
.source-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.flag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 5px 8px;
  border-radius: 8px;
  background: #f0f2ef;
  color: #435046;
  font-size: 0.78rem;
}

.flag.good {
  background: #e7f6ec;
  color: var(--green-dark);
}

.flag.warn {
  background: #fff3dd;
  color: #7a510c;
}

.flag.danger {
  background: #fce8e6;
  color: var(--red);
}

.method-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.access-layout {
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.75fr);
}

.access-copy {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfa;
}

.access-copy p {
  margin: 0 0 12px;
  color: var(--muted);
  line-height: 1.65;
}

.invite-form {
  display: grid;
  gap: 9px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.form-head h3 {
  margin: 0;
}

.invite-form label {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.invite-form input {
  width: 100%;
  min-height: 42px;
  padding: 9px 10px;
  border: 1px solid #cfd8cf;
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
}

.invite-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.invite-form button {
  min-height: 42px;
  padding: 0 14px;
  border: 0;
  border-radius: 8px;
  background: var(--green);
  color: #fff;
  cursor: pointer;
  font-weight: 800;
}

.invite-form button:disabled {
  cursor: wait;
  opacity: 0.68;
}

#inviteNote {
  min-height: 22px;
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.invite-form.has-error #inviteNote {
  color: var(--red);
}

.disclaimer-band {
  margin-top: 18px;
  padding: 16px;
  border-radius: 8px;
  color: var(--muted);
  line-height: 1.6;
}

.disclaimer-band strong {
  color: var(--ink);
}

.disclaimer-band p {
  margin: 6px 0 0;
}

@media (max-width: 920px) {
  .hero-grid,
  .model-strip,
  .access-layout {
    grid-template-columns: 1fr;
  }

  .method-grid,
  .model-chips {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .model-summary,
  .fee-form {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .model-strip,
  .model-summary,
  .fee-form {
    grid-template-columns: 1fr;
  }

  .feed-layout {
    grid-template-columns: 1fr;
    overflow-x: visible;
    padding-bottom: 0;
  }

  .detail-panel {
    display: none;
  }

  .signal-card {
    min-height: 0;
    padding: 12px;
  }

  .signal-card .card-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
  }

  .signal-card .mini-metric {
    min-height: 50px;
    padding: 7px;
  }

  .signal-card .mini-metric span {
    font-size: 0.68rem;
  }

  .signal-card .mini-metric strong {
    font-size: 0.88rem;
  }

  .signal-card-shell.active .signal-card .card-metrics {
    display: none;
  }

  .signal-card-shell.active .signal-card .card-subtitle {
    display: none;
  }

  .signal-card-shell.active .signal-card {
    border-bottom-color: rgba(31, 138, 91, 0.16);
    border-bottom-right-radius: 0;
    border-bottom-left-radius: 0;
    box-shadow: none;
  }

  .mobile-detail {
    display: block;
    margin-top: -1px;
    padding: 0 12px 14px;
    border: 1px solid rgba(31, 138, 91, 0.36);
    border-top: 0;
    border-bottom-right-radius: 8px;
    border-bottom-left-radius: 8px;
    background: var(--panel);
    box-shadow: 0 12px 34px rgba(31, 138, 91, 0.1);
  }

  .mobile-detail .detail-thesis {
    margin: 0 0 12px;
    padding: 12px;
    font-size: 0.88rem;
  }

  .mobile-detail .detail-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 0;
  }

  .mobile-detail .mini-metric {
    min-height: 54px;
    padding: 8px;
  }

  .mobile-detail .flag-row,
  .mobile-detail .source-row {
    gap: 6px;
    margin-top: 10px;
  }

  .fee-inputs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .public-shell {
    width: min(100% - 20px, 1180px);
    padding-top: 10px;
  }

  section[id] {
    scroll-margin-top: 162px;
  }

  .topbar,
  .section-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .top-nav {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
  }

  .top-nav a {
    padding: 8px 6px;
    text-align: center;
  }

  .hero-grid,
  .model-strip,
  .signal-band {
    padding: 14px;
  }

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

  .signal-card {
    grid-template-columns: 64px minmax(0, 1fr);
  }

  .signal-thumb,
  .signal-card .card-image-placeholder {
    width: 64px;
  }

  .model-chips,
  .fee-inputs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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