:root {
  --bg: #070b14;
  --bg-elev: #0d1422;
  --bg-card: #111827;
  --bg-card-hover: #151e30;
  --ink: #e8eef8;
  --muted: #8b97ab;
  --line: rgba(255,255,255,.08);
  --line-strong: rgba(255,255,255,.14);
  --accent: #5b8cff;
  --accent-2: #ff6b4a;
  --accent-glow: rgba(91,140,255,.28);
  --ok: #3ecf8e;
  --habr: #8bc34a;
  --techcrunch: #3ddc84;
  --verge: #5b8cff;
  --wired: #ff6b4a;
  --nplus1: #6ec6ff;
  --ixbt: #f0b429;
  --computerra: #c084fc;
  --sans: "IBM Plex Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  --display: "Manrope", "IBM Plex Sans", system-ui, sans-serif;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 12px 40px rgba(0,0,0,.35);
  --top-h: 0px;
  color-scheme: dark;
}

[data-theme="light"] {
  --bg: #f3f1eb;
  --bg-elev: #fffcf7;
  --bg-card: #ffffff;
  --bg-card-hover: #fff;
  --ink: #121820;
  --muted: #5c6570;
  --line: rgba(18,24,32,.1);
  --line-strong: rgba(18,24,32,.18);
  --accent: #2759c7;
  --accent-2: #c2410c;
  --accent-glow: rgba(39,89,199,.18);
  --shadow: 0 10px 30px rgba(18,24,32,.08);
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(91,140,255,.16), transparent 55%),
    radial-gradient(900px 420px at 100% 0%, rgba(255,107,74,.1), transparent 50%),
    var(--bg);
  line-height: 1.55;
  min-height: 100vh;
}
a { color: var(--accent); transition: color .15s ease; }
a:hover { color: var(--accent-2); }
.skip {
  position: absolute; left: -999px; top: 0;
  background: #000; color: #fff; padding: .5rem .8rem; z-index: 20;
}
.skip:focus { left: .5rem; top: .5rem; }
.hidden { display: none !important; }
.muted { color: var(--muted); }

/* ===== Header (compact sticky) ===== */
.top {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg-elev) 88%, transparent);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .2s ease, background .2s ease;
}
.top.is-scrolled {
  box-shadow: 0 8px 24px rgba(0,0,0,.25);
  background: color-mix(in srgb, var(--bg-elev) 94%, transparent);
}
.top__bar {
  width: min(1120px, calc(100% - 1.25rem));
  margin: 0 auto;
  padding: .55rem 0 .4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  text-decoration: none;
  color: var(--ink);
  min-width: 0;
}
.logo__mark {
  width: 28px; height: 28px; flex: 0 0 auto;
  border-radius: 8px;
  background:
    linear-gradient(145deg, var(--accent), #31407a 55%, var(--bg-card)),
    var(--accent);
  box-shadow: 0 0 0 1px var(--line-strong), 0 0 18px var(--accent-glow);
  position: relative;
}
.logo__mark::after {
  content: "";
  position: absolute;
  inset: 7px 9px 7px 9px;
  border: 2px solid #fff;
  border-bottom: 0;
  border-radius: 2px 2px 0 0;
  opacity: .9;
}
.logo__text {
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.top__actions {
  display: flex;
  align-items: center;
  gap: .35rem;
  flex: 0 0 auto;
}
.top__updated {
  margin: 0 .35rem 0 0;
  font-size: .72rem;
  color: var(--muted);
  white-space: nowrap;
  max-width: 11rem;
  overflow: hidden;
  text-overflow: ellipsis;
}
.icon-btn {
  width: 34px; height: 34px;
  display: inline-grid; place-items: center;
  border: 1px solid var(--line);
  background: var(--bg-card);
  color: var(--ink);
  border-radius: 10px;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease, transform .15s ease;
}
.icon-btn:hover { border-color: var(--line-strong); background: var(--bg-card-hover); }
.icon-btn:active { transform: scale(.96); }
.icon-btn.is-spin svg { animation: spin .7s linear; }
@keyframes spin { to { transform: rotate(360deg); } }
[data-theme="light"] .i-sun { display: none; }
[data-theme="dark"] .i-moon,
:root:not([data-theme]) .i-moon { display: none; }
[data-theme="light"] .i-moon { display: block; }
[data-theme="dark"] .i-sun,
:root:not([data-theme]) .i-sun { display: block; }

.filters {
  width: min(1120px, calc(100% - 1.25rem));
  margin: 0 auto;
  padding: 0 0 .55rem;
  display: flex;
  gap: .4rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  mask-image: linear-gradient(90deg, #000 92%, transparent);
}
.filters::-webkit-scrollbar { display: none; }
.chip {
  flex: 0 0 auto;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  padding: .28rem .7rem;
  font: inherit;
  font-size: .8rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: 999px;
  transition: background .15s ease, color .15s ease, border-color .15s ease, transform .15s ease;
}
.chip:hover { color: var(--ink); border-color: var(--line-strong); }
.chip.is-active {
  background: var(--accent);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 40%, transparent), 0 6px 18px var(--accent-glow);
}
.chip:active { transform: scale(.97); }

/* ===== Hero ===== */
.hero {
  width: min(1120px, calc(100% - 1.25rem));
  margin: 1rem auto 1.4rem;
  display: grid;
  grid-template-columns: 1.55fr .85fr;
  gap: 1rem;
}
.lead, .rail {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.15rem 1.2rem 1.25rem;
  box-shadow: var(--shadow);
}
.lead {
  position: relative;
  overflow: hidden;
  min-height: 220px;
}
.lead::before {
  content: "";
  position: absolute;
  inset: auto -20% -40% 40%;
  height: 70%;
  background: radial-gradient(circle, var(--accent-glow), transparent 65%);
  pointer-events: none;
}
.lead h1 {
  margin: .4rem 0 .7rem;
  font-family: var(--display);
  font-size: clamp(1.35rem, 3.2vw, 2.05rem);
  line-height: 1.18;
  letter-spacing: -.02em;
  font-weight: 800;
  position: relative;
}
.lead p { margin: 0 0 .95rem; color: var(--muted); position: relative; max-width: 46ch; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  font-size: .68rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  font-weight: 700;
  padding: .22rem .5rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
}
.badge.habr { color: var(--habr); background: color-mix(in srgb, var(--habr) 14%, transparent); border-color: color-mix(in srgb, var(--habr) 28%, transparent); }
.badge.techcrunch { color: var(--techcrunch); background: color-mix(in srgb, var(--techcrunch) 14%, transparent); border-color: color-mix(in srgb, var(--techcrunch) 28%, transparent); }
.badge.verge { color: var(--verge); background: color-mix(in srgb, var(--verge) 14%, transparent); border-color: color-mix(in srgb, var(--verge) 28%, transparent); }
.badge.wired { color: var(--wired); background: color-mix(in srgb, var(--wired) 14%, transparent); border-color: color-mix(in srgb, var(--wired) 28%, transparent); }
.badge.nplus1 { color: var(--nplus1); background: color-mix(in srgb, var(--nplus1) 14%, transparent); border-color: color-mix(in srgb, var(--nplus1) 28%, transparent); }
.badge.ixbt { color: var(--ixbt); background: color-mix(in srgb, var(--ixbt) 14%, transparent); border-color: color-mix(in srgb, var(--ixbt) 28%, transparent); }
.badge.computerra { color: var(--computerra); background: color-mix(in srgb, var(--computerra) 14%, transparent); border-color: color-mix(in srgb, var(--computerra) 28%, transparent); }
.meta-line {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem .75rem;
  font-size: .78rem;
  color: var(--muted);
  margin-bottom: .45rem;
  position: relative;
  align-items: center;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: linear-gradient(135deg, var(--accent), #3a66d4);
  color: #fff !important;
  text-decoration: none;
  padding: .62rem 1.05rem;
  font-weight: 700;
  font-size: .92rem;
  border-radius: 12px;
  position: relative;
  box-shadow: 0 8px 22px var(--accent-glow);
  transition: transform .15s ease, filter .15s ease;
}
.btn:hover { filter: brightness(1.06); transform: translateY(-1px); color: #fff !important; }
.rail__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  margin-bottom: .55rem;
}
.rail h2 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.05rem;
  font-weight: 800;
}
.pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--ok) 55%, transparent);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--ok) 55%, transparent); }
  70% { box-shadow: 0 0 0 8px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}
.rail p { margin: 0 0 .75rem; color: var(--muted); font-size: .9rem; }
.sources {
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
}
.sources li a {
  display: inline-block;
  font-size: .78rem;
  text-decoration: none;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: .22rem .55rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--bg) 40%, transparent);
}
.sources li a:hover { color: var(--ink); border-color: var(--line-strong); }
.rail__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .55rem;
  border-top: 1px solid var(--line);
  padding-top: .85rem;
}
.rail__stats div {
  background: color-mix(in srgb, var(--bg) 55%, transparent);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: .55rem .65rem;
}
.rail__stats strong {
  display: block;
  font-family: var(--display);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -.02em;
}
.rail__stats span {
  font-size: .72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .04em;
}

/* Skeleton */
.lead__skeleton { display: grid; gap: .55rem; }
.sk {
  display: block;
  height: .85rem;
  border-radius: 6px;
  background: linear-gradient(90deg, var(--line), color-mix(in srgb, var(--ink) 8%, transparent), var(--line));
  background-size: 200% 100%;
  animation: shimmer 1.2s ease-in-out infinite;
}
.sk-badge { width: 5rem; height: 1.1rem; border-radius: 999px; }
.sk-title { height: 1.45rem; width: 92%; }
.sk-short { width: 62%; }
.sk-line { width: 100%; }
.sk-mid { width: 78%; }
@keyframes shimmer {
  0% { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

/* ===== Feed ===== */
.feed-wrap {
  width: min(1120px, calc(100% - 1.25rem));
  margin: 0 auto 2.2rem;
}
.feed-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: .75rem;
  padding: .15rem 0 .85rem;
  margin-bottom: .15rem;
  border-bottom: 1px solid var(--line);
}
.feed-head h2 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -.02em;
}
.feed {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .85rem;
  margin-top: .95rem;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.05rem 1.05rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  min-height: 100%;
  transition: transform .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease, opacity .2s ease;
  opacity: 1;
  transform: none;
}
.card.is-enter {
  opacity: 0;
  transform: translateY(10px);
}
.card.is-in {
  opacity: 1;
  transform: none;
}
.card:hover {
  border-color: var(--line-strong);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.card.is-enter:hover {
  transform: translateY(10px);
}
.card__actions, .lead__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .55rem .75rem;
  margin-top: .15rem;
}
.tr-btn {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: .8rem;
  font-weight: 700;
  padding: .35rem .7rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.tr-btn:hover:not(:disabled) {
  color: var(--ink);
  border-color: var(--line-strong);
}
.tr-btn.is-on {
  color: #fff;
  background: var(--accent);
  border-color: transparent;
}
.tr-btn.is-busy,
.tr-btn:disabled {
  opacity: .65;
  cursor: wait;
}
.lead__actions .tr-btn {
  padding: .55rem .85rem;
}
.card h3 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.05rem;
  line-height: 1.28;
  font-weight: 700;
  letter-spacing: -.015em;
}
.card h3 a {
  color: var(--ink);
  text-decoration: none;
}
.card h3 a:hover { color: var(--accent); }
.card .summary {
  margin: 0;
  color: var(--muted);
  flex: 1;
  font-size: .9rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card .more {
  font-size: .84rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: .25rem;
}
.card .more::after { content: "→"; transition: transform .15s ease; }
.card .more:hover::after { transform: translateX(3px); }
.empty {
  margin-top: 1rem;
  padding: 1.2rem;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  color: var(--muted);
  text-align: center;
}
.more-btn {
  display: block;
  width: 100%;
  margin-top: 1rem;
  padding: .85rem 1rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg-card);
  color: var(--ink);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease;
}
.more-btn:hover { border-color: var(--line-strong); background: var(--bg-card-hover); }

/* ===== Footer ===== */
.foot {
  width: min(1120px, calc(100% - 1.25rem));
  margin: 0 auto;
  padding: 1rem 0 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .82rem;
}
.foot__inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
}
.foot p { margin: 0; max-width: 42rem; }
.foot__top {
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
  font-weight: 600;
}
.foot__top:hover { color: var(--ink); }

/* ===== Mobile ===== */
@media (max-width: 860px) {
  .top__bar { padding: .45rem 0 .3rem; }
  .logo__text { font-size: 1.02rem; }
  .logo__mark { width: 24px; height: 24px; border-radius: 7px; }
  .top__updated { display: none; }
  .filters { padding-bottom: .45rem; mask-image: linear-gradient(90deg, #000 85%, transparent); }
  .chip { font-size: .76rem; padding: .24rem .62rem; }
  .hero, .feed { grid-template-columns: 1fr; }
  .hero { margin-top: .75rem; }
  .lead { min-height: 0; padding: 1rem; }
  .lead h1 { font-size: 1.28rem; }
  .rail { padding: .95rem 1rem; }
  .foot__inner { flex-direction: column; gap: .55rem; }
}

@media (max-width: 420px) {
  .top__bar, .filters, .hero, .feed-wrap, .foot {
    width: calc(100% - 1rem);
  }
  .icon-btn { width: 32px; height: 32px; }
}