/* ============================================================
   blog.css — Блог CROAK. Тёмная тема, фирменный неон-зелёный.
   Обычный CSS, без фреймворков. Токены согласованы с main.css.
   ============================================================ */

:root {
  --bg:            #010302;
  --accent:        #9cff1f;
  --accent-soft:   #baff45;
  --accent-rgb:    156, 255, 31;
  --text:          #f3f6ef;
  --text-dim:      rgba(243, 246, 239, 0.64);
  --text-muted:    rgba(243, 246, 239, 0.40);
  --card:          rgba(12, 15, 12, 0.66);
  --card-hover:    rgba(18, 26, 16, 0.86);
  --border:        rgba(255, 255, 255, 0.08);
  --border-green:  rgba(var(--accent-rgb), 0.30);
  --r:             22px;
  --r-sm:          13px;
  --font:          'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono:          'IBM Plex Mono', 'SFMono-Regular', monospace;
  --display:       'Space Grotesk', var(--font);
  --maxw:          1120px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse at 80% 0%, rgba(var(--accent-rgb), 0.10) 0%, transparent 46%),
    radial-gradient(ellipse at 5% 100%, rgba(var(--accent-rgb), 0.06) 0%, transparent 40%),
    linear-gradient(135deg, #010302 0%, #020504 50%, #061006 74%, #010302 100%);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.bg { position: fixed; inset: 0; z-index: -1; pointer-events: none; }

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

::selection { background: rgba(var(--accent-rgb), 0.30); color: #fff; }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.08); border-radius: 8px; }

/* ── Topbar ──────────────────────────────────────────────── */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 20px;
  padding: 14px clamp(18px, 4vw, 40px);
  border-bottom: 1px solid var(--border);
  background: rgba(2, 4, 3, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.brand { display: inline-flex; align-items: center; gap: 9px; }
.frog { width: 26px; height: 26px; }
.wordmark { font-family: var(--display); display: inline-flex; align-items: baseline; gap: 6px; }
.wordmark b { font-weight: 700; font-size: 18px; letter-spacing: 0.02em; }
.wordmark i { font-style: normal; font-weight: 600; font-size: 11px; letter-spacing: 0.22em; color: var(--accent); }
.topnav { margin-left: auto; display: flex; gap: 22px; font-size: 14px; }
.topnav a { color: var(--text-dim); transition: color 0.15s ease; }
.topnav a:hover { color: var(--text); }
.topnav a[aria-current="page"] { color: var(--accent); }

/* ── Layout ──────────────────────────────────────────────── */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 36px clamp(18px, 4vw, 40px) 80px; }

.crumbs {
  display: flex; gap: 9px; align-items: center;
  font-family: var(--mono); font-size: 12px; color: var(--text-muted);
  letter-spacing: 0.02em; margin-bottom: 30px;
}
.crumbs a { color: var(--text-dim); }
.crumbs a:hover { color: var(--accent-soft); }

/* ── Hero ────────────────────────────────────────────────── */
.hero { margin-bottom: 38px; }
.eyebrow {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 14px;
}
.hero h1 {
  font-family: var(--display); font-weight: 700;
  font-size: clamp(34px, 6vw, 56px); line-height: 1.05;
  letter-spacing: -0.015em; margin-bottom: 14px;
}
.hero-sub { font-size: 18px; color: var(--text-dim); max-width: 60ch; }

/* ── Toolbar (поиск + фильтры + сортировка) ──────────────── */
.toolbar {
  display: flex; flex-wrap: wrap; gap: 14px; align-items: center;
  margin-bottom: 18px;
}
.search {
  position: relative; flex: 1 1 280px; min-width: 240px;
}
.search svg {
  position: absolute; left: 16px; top: 50%; transform: translateY(-50%);
  width: 18px; height: 18px; fill: none; stroke: var(--text-muted);
  stroke-width: 2; stroke-linecap: round; pointer-events: none;
}
.search input {
  width: 100%; height: 48px; padding: 0 16px 0 46px;
  font-family: var(--font); font-size: 15px; color: var(--text);
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r-sm); outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
.search input::placeholder { color: var(--text-muted); }
.search input:focus {
  border-color: var(--border-green);
  box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.12);
  background: var(--card-hover);
}
.search input::-webkit-search-cancel-button { filter: invert(0.7); }

.controls { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; }

.chip {
  display: inline-flex; align-items: center; gap: 7px;
  height: 38px; padding: 0 16px;
  font-family: var(--font); font-size: 13.5px; font-weight: 500; color: var(--text-dim);
  background: var(--card); border: 1px solid var(--border);
  border-radius: 999px; cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease, transform 0.1s ease;
}
.chip:hover { color: var(--text); border-color: var(--border-green); }
.chip:active { transform: scale(0.97); }
.chip.active {
  color: #06140a; background: var(--accent); border-color: var(--accent);
  font-weight: 600; box-shadow: 0 0 22px rgba(var(--accent-rgb), 0.28);
}
.chip svg {
  width: 15px; height: 15px; fill: none; stroke: currentColor;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}
.chip-sort { color: var(--text); }

.count {
  font-family: var(--mono); font-size: 12.5px; color: var(--text-muted);
  letter-spacing: 0.03em; margin-bottom: 22px;
}

/* ── Grid + Cards ────────────────────────────────────────── */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 18px;
}

.card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.card::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  border-radius: var(--r); opacity: 0; transition: opacity 0.25s ease;
  background: radial-gradient(120% 80% at 90% 0%, rgba(var(--accent-rgb), 0.10), transparent 55%);
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--border-green);
  background: var(--card-hover);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(var(--accent-rgb), 0.10);
}
.card:hover::after { opacity: 1; }

.card-link {
  display: flex; flex-direction: column; gap: 12px;
  height: 100%; padding: 22px 22px 20px;
}

.card-top { display: flex; align-items: center; gap: 12px; min-height: 24px; }
.card-cat {
  font-family: var(--mono); font-size: 11px; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent); padding: 4px 10px; border-radius: 999px;
  background: rgba(var(--accent-rgb), 0.10); border: 1px solid var(--border-green);
}
.card-date {
  margin-left: auto; font-family: var(--mono); font-size: 12px; color: var(--text-muted);
}

.card-title {
  font-family: var(--display); font-weight: 600; font-size: 19px;
  line-height: 1.28; letter-spacing: -0.01em; color: var(--text);
}
.card:hover .card-title { color: var(--accent-soft); }

.card-desc {
  font-size: 14px; color: var(--text-dim); line-height: 1.6;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}

.card-foot {
  margin-top: auto; padding-top: 14px;
  display: flex; align-items: center; justify-content: space-between;
  border-top: 1px solid var(--border);
}
.card-read {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--display); font-weight: 600; font-size: 14px; color: var(--accent);
}
.card-read svg {
  width: 16px; height: 16px; fill: none; stroke: currentColor;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
  transition: transform 0.18s ease;
}
.card:hover .card-read svg { transform: translateX(3px); }
.card-time { font-family: var(--mono); font-size: 12px; color: var(--text-muted); }

.card-empty { grid-column: 1 / -1; }
.card-empty .card-desc code {
  font-family: var(--mono); font-size: 13px; color: var(--accent-soft);
  background: rgba(var(--accent-rgb), 0.08); padding: 1px 6px; border-radius: 6px;
}

/* ── Empty search state ──────────────────────────────────── */
.empty {
  text-align: center; color: var(--text-muted); font-size: 15px;
  padding: 48px 20px;
}

/* ── Footer ──────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 24px; text-align: center;
  font-family: var(--mono); font-size: 12.5px; color: var(--text-muted);
}
.site-footer a { color: var(--text-dim); }
.site-footer a:hover { color: var(--accent-soft); }

/* ── Reveal animation ────────────────────────────────────── */
.reveal { opacity: 0; animation: cardUp 0.5s ease forwards; }
@keyframes cardUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 720px) {
  .topnav { gap: 16px; font-size: 13px; }
  .grid { grid-template-columns: 1fr; }
  .toolbar { flex-direction: column; align-items: stretch; }
  .controls { justify-content: space-between; }
}

@media (max-width: 420px) {
  .topnav a[href="/"] { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; animation: none; }
  .card, .card-read svg { transition: none; }
}