:root {
  --paper: #f5f6f8;
  --slate: #171a1f;
  --muted: #e4e8ee;
  --ink-soft: #556070;
  --card: #ffffff;
  --trust: #6ca9bf;
  --shadow: 0 10px 30px rgba(18, 26, 38, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--slate);
  font-family: "Inter", "Geist", system-ui, -apple-system, sans-serif;
  text-rendering: optimizeLegibility;
  color-scheme: light;
}

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

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 1.25rem 1rem 2rem;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(26, 29, 32, 0.08);
  backdrop-filter: blur(10px);
  background: rgba(245, 246, 248, 0.85);
}

.topbar-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
}

.brand {
  font-weight: 700;
}

.category-nav {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
}

.category-nav a {
  font-size: 0.84rem;
  color: var(--ink-soft);
}

.category-nav a:hover {
  color: var(--slate);
}

.topbar-controls {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.chip {
  border: 1px solid rgba(26, 29, 32, 0.14);
  background: #fff;
  color: #344155;
  border-radius: 999px;
  padding: 0.34rem 0.62rem;
  font-size: 0.76rem;
  cursor: pointer;
}

.tier-pill {
  border-radius: 999px;
  background: rgba(59, 130, 246, 0.12);
  color: #1d4ed8;
  font-size: 0.74rem;
  font-weight: 700;
  padding: 0.32rem 0.62rem;
}

.hero {
  background: var(--card);
  border: 1px solid rgba(26, 29, 32, 0.08);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 1.1rem 1.2rem 1.15rem;
  margin: 0.2rem 0 1rem;
}

.hero-kicker {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0.4rem 0 0.55rem;
  font-size: clamp(1.35rem, 2.5vw, 2rem);
  line-height: 1.2;
}

.hero ul {
  margin: 0;
  padding-left: 1.1rem;
}

.hero li {
  margin: 0 0 0.42rem;
  line-height: 1.5;
}

.hero-meta {
  margin: 0.5rem 0 0;
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.display-case {
  background: var(--card);
  border: 1px solid rgba(26, 29, 32, 0.08);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 0.8rem;
  margin-bottom: 1rem;
}

.ad-label {
  display: inline-block;
  font-size: 0.74rem;
  color: var(--ink-soft);
  margin-bottom: 0.35rem;
}

.ad-box {
  border-radius: 10px;
  border: 1px dashed #9da8b8;
  background: #edf2f8;
}

.ad-billboard {
  min-height: 160px;
}

.ad-cta {
  display: inline-block;
  margin-top: 0.45rem;
  color: #365f9c;
  font-size: 0.8rem;
}

.home-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.15rem;
  margin-top: 0.35rem;
}

.story-card {
  grid-column: span 6;
  border: 1px solid rgba(26, 29, 32, 0.08);
  border-radius: 16px;
  padding: 0.9rem 0.95rem 1rem;
  background: var(--card);
  box-shadow: var(--shadow);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.story-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(18, 26, 38, 0.12);
}

.story-kicker {
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 0.35rem;
}

.story-card h2 {
  margin: 0 0 0.55rem;
  font-size: 1.13rem;
  line-height: 1.28;
}

.story-summary {
  margin: 0;
  color: #313a47;
  line-height: 1.5;
}

.story-meta {
  margin: 0.7rem 0 0.8rem;
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.story-link {
  color: var(--trust);
  font-weight: 700;
}

.trust-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--trust);
  vertical-align: middle;
  margin-right: 0.35rem;
}

.end-state {
  color: var(--ink-soft);
  text-align: center;
  font-size: 0.84rem;
  margin: 1rem 0 0.25rem;
}

.article-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) 260px;
  gap: 1.1rem;
  align-items: start;
}

.ad-case {
  min-height: 210px;
  background: #eef2f7;
  border: 1px dashed #9da8b8;
  border-radius: 12px;
  padding: 0.8rem;
  font-size: 0.8rem;
  color: #344155;
}

.article-main {
  background: var(--card);
  border: 1px solid rgba(26, 29, 32, 0.08);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 1.1rem 1.15rem 1.25rem;
}

.article-main h1 {
  margin: 0 0 0.9rem;
  font-size: clamp(1.35rem, 2.3vw, 2rem);
  line-height: 1.2;
}

.lede-box {
  border: 1px solid rgba(26, 29, 32, 0.12);
  border-radius: 12px;
  padding: 0.75rem 0.85rem;
  margin-bottom: 1rem;
  background: #f9fbfd;
}

.article-body p {
  margin: 0 0 0.85rem;
  color: #202734;
  line-height: 1.72;
  font-size: 1.01rem;
  font-family: "Spectral", "Lora", Georgia, Cambria, "Times New Roman", serif;
}

.aside-note {
  font-size: 0.84rem;
  color: var(--ink-soft);
}

.meta-card {
  border: 1px solid rgba(26, 29, 32, 0.08);
  background: #f8fafc;
  border-radius: 12px;
  padding: 0.7rem 0.75rem;
  margin: 0.45rem 0 0.8rem;
  font-size: 0.83rem;
  color: #324256;
}

.meta-card p {
  margin: 0 0 0.45rem;
}

.meta-card p:last-child {
  margin-bottom: 0;
}

.locked-panel {
  position: relative;
  border: 1px solid rgba(26, 29, 32, 0.12);
  border-radius: 12px;
  padding: 0.85rem;
  background: rgba(255, 255, 255, 0.7);
}

.synthesis-panel {
  position: sticky;
  top: 74px;
}

.ring-wrap {
  display: flex;
  gap: 0.7rem;
  align-items: center;
}

.ring {
  width: 74px;
  height: 74px;
  border-radius: 50%;
  display: grid;
  place-items: center;
}

.ring-inner {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #fff;
  display: grid;
  place-items: center;
  font-size: 0.78rem;
}

.panel-title {
  margin: 0;
  font-weight: 700;
}

.panel-subtle {
  margin: 0.2rem 0 0;
  color: var(--ink-soft);
  font-size: 0.78rem;
}

.source-list {
  margin: 0.2rem 0 0;
  padding-left: 1rem;
}

.blur-content {
  opacity: 0.9;
}

.locked-panel .veil {
  position: absolute;
  inset: 0;
  backdrop-filter: blur(8px);
  border-radius: 12px;
  pointer-events: none;
}

.veil-link {
  position: absolute;
  inset: 0;
  border-radius: 12px;
  z-index: 1;
}

.bottom-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  display: none;
  z-index: 30;
  background: rgba(255, 255, 255, 0.92);
  border-top: 1px solid rgba(26, 29, 32, 0.1);
  backdrop-filter: blur(12px);
  padding: 0.55rem 0.8rem calc(0.55rem + env(safe-area-inset-bottom));
  justify-content: space-between;
}

.bottom-nav a {
  font-size: 0.78rem;
  color: #3a4658;
}

.auth-card {
  max-width: 520px;
  margin: 2rem auto;
  border: 1px solid rgba(26, 29, 32, 0.1);
  border-radius: 14px;
  background: #fff;
  padding: 1rem;
  display: grid;
  gap: 0.7rem;
}

.auth-form {
  display: grid;
  gap: 0.7rem;
}

.auth-card input {
  border: 1px solid rgba(26, 29, 32, 0.2);
  border-radius: 8px;
  padding: 0.6rem 0.7rem;
  font-size: 0.95rem;
}

.auth-card button {
  border: 0;
  border-radius: 8px;
  background: #365f9c;
  color: #fff;
  padding: 0.62rem 0.75rem;
  font-weight: 600;
  cursor: pointer;
}

.auth-card button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.auth-error {
  color: #b91c1c;
  margin: 0;
  font-size: 0.9rem;
}

html.is-dark .auth-card {
  background: #172131;
  border-color: rgba(226, 236, 254, 0.12);
  color: #e8eef9;
  box-shadow: none;
}

html.is-dark .auth-card h1 + p {
  color: #b2bfd7;
}

html.is-dark .auth-card input {
  background: #111b2b;
  color: #e8eef9;
  border-color: rgba(211, 222, 242, 0.2);
}

html.is-dark .auth-card button {
  background: #4a7ab8;
}

html.is-dark .auth-error {
  color: #fca5a5;
}

html.is-dark body {
  background: #11161f;
  color: #e8eef9;
}

html.is-dark .topbar {
  background: rgba(17, 22, 31, 0.82);
  border-bottom-color: rgba(227, 236, 251, 0.1);
}

html.is-dark .category-nav a {
  color: #b2bfd7;
}

html.is-dark .hero,
html.is-dark .story-card,
html.is-dark .display-case,
html.is-dark .article-main,
html.is-dark .locked-panel {
  background: #172131;
  border-color: rgba(226, 236, 254, 0.12);
  box-shadow: none;
}

html.is-dark .story-summary,
html.is-dark .story-meta,
html.is-dark .article-body p,
html.is-dark .aside-note {
  color: #d4def2;
}

html.is-dark .lede-box,
html.is-dark .meta-card,
html.is-dark .ad-case,
html.is-dark .ad-box {
  background: #111b2b;
  color: #c0cee7;
  border-color: rgba(211, 222, 242, 0.2);
}

html.is-zen img,
html.is-zen .display-case,
html.is-zen .ad-case,
html.is-zen .story-meta,
html.is-zen .meta-card,
html.is-zen .locked-panel {
  display: none !important;
}

@media (max-width: 1080px) {
  .article-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .article-layout > aside {
    order: 2;
  }

  .article-layout > article {
    order: 1;
  }

  .locked-panel {
    order: 3;
  }

  .category-nav {
    display: none;
  }
}

@media (max-width: 820px) {
  .story-card {
    grid-column: span 12;
  }

  .bottom-nav {
    display: flex;
  }

  body {
    padding-bottom: 58px;
  }
}