/* Free Portal — hand-written layer on top of Tailwind (CDN). */
:root { color-scheme: dark; --accent: 99 102 241; --emerald: 16 185 129; }
[hidden] { display: none !important; }
html { -webkit-tap-highlight-color: transparent; }
body { text-rendering: optimizeLegibility; }

.glow-bg {
  background:
    radial-gradient(600px 300px at 20% -10%, rgba(99,102,241,.22), transparent 70%),
    radial-gradient(500px 260px at 85% 0%, rgba(16,185,129,.12), transparent 70%);
}
.grid-lines {
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse at 50% 0%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 0%, #000 30%, transparent 75%);
}
.text-gradient {
  background: linear-gradient(110deg, #fff 20%, #a5b4fc 55%, #6ee7b7 90%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.focus-ring:focus-visible, .btn-card:focus-visible, .btn-primary:focus-visible, .btn-ghost:focus-visible, .tab:focus-visible {
  outline: 2px solid rgb(var(--accent)); outline-offset: 2px;
}

/* ── Bento grid ─────────────────────────────────────────── */
.bento { grid-auto-flow: dense; grid-auto-rows: minmax(13.5rem, auto); }
.card {
  transition: transform .25s cubic-bezier(.2,.8,.2,1), border-color .25s, background-color .25s, box-shadow .25s;
  animation: rise .45s cubic-bezier(.2,.8,.2,1) both;
}
.card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; opacity: 0; transition: opacity .3s;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(99,102,241,.14), transparent 45%);
}
@media (hover: hover) {
  .card:hover { transform: translateY(-3px); border-color: rgba(129,140,248,.35); background-color: rgba(18,24,41,.95);
    box-shadow: 0 20px 40px -24px rgba(99,102,241,.45); }
  .card:hover::before { opacity: 1; }
}
.card:active { transform: scale(.99); }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ── Buttons ────────────────────────────────────────────── */
.btn-card {
  display: inline-flex; align-items: center; gap: .35rem; min-height: 36px; padding: 0 .85rem;
  border-radius: .65rem; font-size: .8125rem; font-weight: 600; color: #fff; white-space: nowrap;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
  transition: background-color .2s, border-color .2s, transform .15s;
}
.btn-card:hover { background: rgb(var(--accent)); border-color: rgb(var(--accent)); }
.btn-card:active { transform: scale(.96); }
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem; min-height: 44px; padding: 0 1.25rem;
  border-radius: .8rem; font-weight: 600; color: #fff; background: rgb(var(--accent));
  box-shadow: 0 8px 24px -10px rgba(99,102,241,.8), inset 0 1px 0 rgba(255,255,255,.18);
  transition: filter .2s, transform .15s;
}
.btn-primary:hover { filter: brightness(1.12); }
.btn-primary:active { transform: scale(.97); }
.btn-ghost {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem; min-height: 44px; padding: 0 1.1rem;
  border-radius: .8rem; font-weight: 500; color: #e2e8f0; border: 1px solid rgba(255,255,255,.1); background: rgba(255,255,255,.03);
  transition: background-color .2s, border-color .2s;
}
.btn-ghost:hover { background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.18); }

/* ── Tabs ───────────────────────────────────────────────── */
.tabs { scrollbar-width: none; -webkit-overflow-scrolling: touch; scroll-snap-type: x proximity; }
.tabs::-webkit-scrollbar { display: none; }
.tab {
  scroll-snap-align: start; display: inline-flex; align-items: center; gap: .45rem; min-height: 40px; padding: 0 .95rem;
  border-radius: 999px; font-size: .875rem; font-weight: 500; white-space: nowrap; color: #94a3b8;
  border: 1px solid transparent; transition: color .2s, background-color .2s, border-color .2s;
}
.tab:hover { color: #fff; background: rgba(255,255,255,.04); }
.tab[aria-selected="true"] { color: #fff; background: rgba(99,102,241,.16); border-color: rgba(129,140,248,.35); }
.tab .count { font-family: "JetBrains Mono", ui-monospace, monospace; font-size: 11px; color: #64748b; }
.tab[aria-selected="true"] .count { color: #a5b4fc; }

/* ── Search ─────────────────────────────────────────────── */
.search-wrap { transition: border-color .2s, box-shadow .2s, background-color .2s; }
.search-wrap:focus-within { border-color: rgba(129,140,248,.55); box-shadow: 0 0 0 4px rgba(99,102,241,.15); background: rgba(15,20,36,.95); }
.kbd { font-family: "JetBrains Mono", monospace; font-size: 11px; padding: 2px 6px; border-radius: 6px; border: 1px solid rgba(255,255,255,.12); color: #94a3b8; }

/* ── Ads ────────────────────────────────────────────────── */
.ad-slot { position: relative; }
.ad-label { display: block; margin-bottom: .4rem; font-size: 10px; letter-spacing: .16em; text-transform: uppercase; color: #475569; }
.ad-body { overflow: hidden; border-radius: 1rem; }

/* ── Article prose (How-To guides) ──────────────────────── */
.prose-dark { color: #cbd5e1; line-height: 1.75; font-size: 1rem; }
.prose-dark > * + * { margin-top: 1.1em; }
.prose-dark h2 { margin-top: 2em; font-size: 1.35rem; font-weight: 700; color: #fff; letter-spacing: -.01em; }
.prose-dark h3 { margin-top: 1.6em; font-size: 1.1rem; font-weight: 600; color: #fff; }
.prose-dark ul, .prose-dark ol { padding-left: 1.3rem; }
.prose-dark ul { list-style: disc; } .prose-dark ol { list-style: decimal; }
.prose-dark li + li { margin-top: .4em; }
.prose-dark li::marker { color: #818cf8; }
.prose-dark a { color: #a5b4fc; text-decoration: underline; text-underline-offset: 3px; text-decoration-color: rgba(165,180,252,.4); }
.prose-dark a:hover { color: #fff; }
.prose-dark strong { color: #fff; font-weight: 600; }
.prose-dark code { font-family: "JetBrains Mono", monospace; font-size: .85em; padding: .15em .4em; border-radius: .35rem; background: rgba(255,255,255,.07); color: #e0e7ff; }
.prose-dark pre { overflow-x: auto; padding: 1rem 1.1rem; border-radius: .9rem; background: #070a12; border: 1px solid rgba(255,255,255,.07); }
.prose-dark pre code { background: none; padding: 0; font-size: .85rem; color: #cbd5e1; }

.pulse-dot { animation: pulse 2.2s ease-in-out infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 0 rgba(16,185,129,.6); } 50% { box-shadow: 0 0 0 5px rgba(16,185,129,0); } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}
.prose-dark em { font-style: italic; color: #fcd34d; }