:root{--bg:#fff;--text:#1f2937;--muted:#6b7280;--primary:#0ea5e9;--ring:rgba(14,165,233,.2);--card:#f8fafc;--border:#e5e7eb}
*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial}
a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}
.container{max-width:1000px;margin:0 auto;padding:0 16px}
.site-header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.9);backdrop-filter:saturate(140%) blur(6px);border-bottom:1px solid var(--border)}
.site-header .container{display:flex;align-items:center;gap:16px;padding:10px 16px}.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:inherit}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:14px}.btn{padding:8px 12px;background:var(--primary);color:#fff;border-radius:10px;border:none}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}.card{background:var(--card);border:1px solid var(--border);padding:16px;border-radius:12px}
.hero{padding:32px 0;display:grid;gap:12px}.kicker{color:var(--muted);text-transform:uppercase;letter-spacing:.1em;font-size:.85rem}.meta{color:var(--muted);font-size:.85rem}
.article{display:grid;gap:10px}.article h1{margin-bottom:0}.article img{width:100%;height:auto;border-radius:10px}
.grid-2{display:grid;grid-template-columns:1fr;gap:24px}@media (min-width:800px){.grid-2{grid-template-columns:2fr 1fr}}
.breadcrumbs{font-size:.9rem;margin:6px 0 4px;color:var(--muted)}.breadcrumbs a{color:var(--muted)}
.sidebar{position:sticky;top:82px;display:grid;gap:12px}.list{list-style:none;margin:0;padding:0;display:grid;gap:8px}.list li{padding:10px 12px;background:#fff;border:1px dashed var(--border);border-radius:8px}
.notice{padding:12px;background:#ecfeff;border:1px solid #cffafe;border-radius:8px}.site-footer{border-top:1px solid var(--border);margin-top:40px;padding:20px 0;color:var(--muted)}
.search{display:flex;gap:8px}input[type=search],input[type=text],input[type=email]{width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--border);outline:none}
input[type=search]:focus{border-color:var(--primary);box-shadow:0 0 0 4px var(--ring)}table{border-collapse:collapse;width:100%}td,th{border:1px solid var(--border);padding:8px;text-align:left}

/* THEME TOGGLE */
body.theme-boy { --primary:#0ea5e9; --ring: rgba(14,165,233,.2); }
body.theme-girl { --primary:#ec4899; --ring: rgba(236,72,153,.2); }
.gender-toggle{display:flex;align-items:center;gap:6px;margin-left:8px}
.gender-toggle .toggle{padding:6px 10px;border:1px solid var(--border);background:#fff;border-radius:999px;cursor:pointer;font:inherit}
.gender-toggle .toggle.active{background:var(--primary);color:#fff;border-color:var(--primary)}

/* background: double twist */
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:url('/assets/bg-twist-double.svg');background-repeat:no-repeat;background-size:cover;background-position:top left;opacity:.28;
}
@media (max-width: 640px){ body::before{ opacity:.22 } }