/* CSS variables for theme */
:root {
  --bg: #121316; /* темно-серый/светло-черный */
  --bg-elev: #181a1f;
  --text: #ffffff;
  --muted: #aeb4c0;
  --brand: #7c5cff;
  --brand-600: #6a4bff;
  --accent: #23d5ab;
  --danger: #ff6b6b;
  --surface: #1d2026;
  --border: #2a2e36;
  --chip: #23262d;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --radius: 14px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.skip-link:focus {
  left: 12px;
  top: 12px;
  width: auto;
  height: auto;
  background: var(--brand);
  color: #fff;
  padding: 8px 12px;
  border-radius: 8px;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(18,19,22,.7);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
}
.logo__mark {
  display: inline-block;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  display: grid;
  place-items: center;
  color: #0b0c0f;
  font-weight: 800;
}
.logo__text { font-weight: 800; letter-spacing: 0.2px; font-size: 20px; }
.logo--small .logo__mark { width: 24px; height: 24px; font-size: 12px; }
.logo--small .logo__text { font-size: 16px; }

.nav { display: none; }
.nav__list { display: flex; gap: 18px; list-style: none; padding: 0; margin: 0; }
.nav__link { color: var(--muted); text-decoration: none; font-weight: 600; }
.nav__link:hover, .nav__link.is-active { color: var(--text); }

.burger {
  display: inline-grid;
  place-items: center;
  width: 40px; height: 40px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
}
.burger__line {
  width: 20px; height: 2px; background: var(--text); display: block; margin: 3px 0;
}

.mobile-menu { border-top: 1px solid var(--border); background: var(--bg-elev); }
.mobile-menu__nav { display: grid; padding: 12px; gap: 6px; }
.mobile-menu__link { color: var(--text); text-decoration: none; padding: 12px; border-radius: 10px; background: var(--chip); }
.mobile-menu__link.is-active { outline: 2px solid var(--brand); }

/* Hero & search */
.hero { padding: 28px 0 16px; }
.hero__title { font-size: 26px; line-height: 1.2; margin: 0 0 8px; font-weight: 800; }
.hero__subtitle { margin: 0 0 16px; color: var(--muted); font-weight: 600; }

.search__bar { display: flex; gap: 8px; }
.input {
  flex: 1;
  height: 44px;
  padding: 0 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
}
.btn { height: 44px; padding: 0 14px; border-radius: 10px; border: 1px solid var(--border); background: var(--brand); color: #0b0c0f; font-weight: 700; cursor: pointer; }
.btn--ghost { background: var(--chip); color: var(--text); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.chip { padding: 8px 12px; background: var(--chip); border: 1px solid var(--border); border-radius: 999px; color: var(--muted); cursor: pointer; font-weight: 600; }
.chip[aria-selected="true"] { color: var(--text); outline: 2px solid var(--brand); }

/* Cards */
.cards { padding: 10px 0 32px; }
.grid { display: grid; grid-template-columns: 1fr; gap: 12px; }
.content-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.card { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.card__inner { display: grid; grid-template-columns: 64px 1fr; gap: 12px; padding: 14px; }
.card__logo { width: 64px; height: 64px; border-radius: 12px; background: var(--surface); display: grid; place-items: center; font-weight: 800; color: var(--muted); }
.card__title { margin: 0; font-size: 16px; font-weight: 700; }
.card__meta { margin: 6px 0 0; color: var(--muted); font-size: 14px; }
.card__actions { display: flex; gap: 8px; align-items: center; margin-top: 10px; }
.code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
  background: #0f1115;
  color: #c3d1ff;
  border: 1px dashed #334;
  padding: 8px 10px;
  border-radius: 10px;
}
.btn--copy { background: linear-gradient(135deg, var(--brand), var(--accent)); color: #0b0c0f; }
.btn--save { background: var(--chip); color: var(--text); }

/* Empty */
.empty { text-align: center; color: var(--muted); padding: 20px 0; }

/* About */
.about { padding: 24px 0 40px; border-top: 1px solid var(--border); background: var(--bg-elev); }
.section-title { font-size: 22px; font-weight: 800; margin: 0 0 12px; }
.about__text { margin: 0; color: var(--muted); }

/* Footer */
.footer { border-top: 1px solid var(--border); background: var(--bg-elev); }
.footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 18px 0; }
.footer__note { margin: 8px 0 0; color: var(--muted); }
.footer__link { color: var(--muted); text-decoration: none; margin-left: 16px; }
.footer__link:hover { color: var(--text); }

/* Toast */
.toast { position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); background: var(--surface); color: var(--text); border: 1px solid var(--border); border-radius: 12px; padding: 12px 16px; box-shadow: var(--shadow); }

/* Responsive */
@media (min-width: 600px) {
  .hero { padding: 44px 0 20px; }
  .hero__title { font-size: 36px; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
  .nav { display: block; }
  .burger { display: none; }
  .mobile-menu { display: none !important; }
}

@media (min-width: 960px) {
  .hero__title { font-size: 44px; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
  .content-grid { grid-template-columns: 1fr 320px; align-items: start; }
  .sidebar { position: sticky; top: 84px; }
}

/* Sidebar */
.sidebar { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 14px; }
.sidebar__title { margin: 0 0 10px; font-size: 16px; font-weight: 800; }
.sidebar__block { display: grid; gap: 8px; color: var(--muted); }
.sidebar__row a { color: var(--text); text-decoration: none; }
.sidebar__row a:hover { text-decoration: underline; }