/* Infoverse – main stylesheet. Topic colours live in themes.css */
:root{
  --bg:#f6f7fb; --surface:#fff; --surface2:#eef0f6; --text:#14192b; --muted:#5b6479; --line:#e0e4ee;
  --brand:#0b1b3a; --accent:#f59e0b; --link:#1d4ed8; --radius:16px; --shadow:0 6px 24px rgba(15,23,42,.08);
  --t1:#0b1b3a; --t2:#2563eb; --ta:#1d4ed8; --tfont:inherit;
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans",Arial,sans-serif;
}
[data-theme="dark"]{
  --bg:#0c111b; --surface:#151c2b; --surface2:#1c2538; --text:#e8ecf6; --muted:#9aa5bd; --line:#26314a;
  --brand:#0a1020; --link:#7aa2ff; --shadow:0 6px 24px rgba(0,0,0,.4); --ta:#7aa2ff;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;-webkit-text-size-adjust:100%}
img{max-width:100%;display:block}
a{color:var(--link)}
.wrap{width:min(1180px,100% - 32px);margin-inline:auto}
.sr{position:absolute;left:-9999px}
h1,h2,h3{line-height:1.2;margin:0 0 .5em}
.muted{color:var(--muted)}
.btn{display:inline-flex;align-items:center;gap:.4rem;border:0;border-radius:999px;padding:.65rem 1.1rem;font:600 .95rem var(--font);cursor:pointer;background:var(--brand);color:#fff;text-decoration:none}
[data-theme="dark"] .btn{background:#2b3a5c}
.btn.alt{background:var(--surface);color:var(--text);border:1px solid var(--line)}
.btn.small{padding:.4rem .8rem;font-size:.85rem}
.btn.danger{background:#b91c1c}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:var(--brand);color:#fff}
.bar{display:flex;align-items:center;gap:14px;padding:10px 0}
.brand{display:flex;align-items:center;gap:8px;color:#fff;text-decoration:none;font-size:1.4rem;font-weight:500;letter-spacing:.2px}
.brand b{color:var(--accent);font-weight:800}
.brand svg{width:30px;height:30px}
.search{flex:1;display:flex;max-width:460px;margin-left:auto}
.search input{flex:1;min-width:0;border:0;border-radius:999px 0 0 999px;padding:.55rem 1rem;font:inherit;background:#fff;color:#14192b}
.search button{border:0;border-radius:0 999px 999px 0;padding:0 1rem;background:var(--accent);cursor:pointer;font-size:1rem}
.main-nav{display:flex;gap:4px}
.main-nav a{color:#dbe3f5;text-decoration:none;padding:.45rem .7rem;border-radius:8px;font-weight:600;font-size:.95rem;white-space:nowrap}
.main-nav a:hover,.main-nav a.on{background:rgba(255,255,255,.12);color:#fff}
.icon-btn{background:rgba(255,255,255,.12);border:0;color:#fff;width:38px;height:38px;border-radius:50%;cursor:pointer;font-size:1.05rem}
#menu-toggle{display:none}
.topic-strip{background:var(--surface);border-bottom:1px solid var(--line)}
.topic-strip .wrap{display:flex;gap:8px;overflow-x:auto;padding:8px 0;scrollbar-width:none}
.topic-strip .wrap::-webkit-scrollbar{display:none}
.pill{flex:none;display:inline-flex;align-items:center;gap:6px;padding:.35rem .85rem;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--text);text-decoration:none;font-weight:600;font-size:.88rem;cursor:pointer}
.pill:hover,.pill.on{background:var(--ta);border-color:var(--ta);color:#fff}
@media (max-width:860px){
  .bar{flex-wrap:wrap}
  .search{order:5;max-width:none;flex-basis:100%;margin:0}
  .main-nav{display:none;order:6;flex-basis:100%;flex-direction:column}
  .main-nav.open{display:flex}
  #menu-toggle{display:inline-block;margin-left:auto}
  .brand{font-size:1.25rem}
}

/* ---------- hero (home) ---------- */
.hero{background:radial-gradient(900px 400px at 85% -10%,#2b4fa8 0,transparent 60%),linear-gradient(135deg,#0b1b3a,#13306b);color:#fff;padding:56px 0 64px;position:relative;overflow:hidden}
.hero h1{font-size:clamp(2rem,5vw,3.4rem);max-width:15ch}
.hero h1 span{color:var(--accent)}
.hero p{max-width:56ch;color:#cfd9f1;font-size:1.1rem}
.hero .cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.hero .btn{background:var(--accent);color:#14192b}
.hero .btn.alt{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.25)}
.orbit{position:absolute;right:-60px;top:-40px;width:420px;height:420px;opacity:.5;pointer-events:none}
@media (max-width:700px){.orbit{width:260px;height:260px;opacity:.3}}

/* ---------- sections / grids ---------- */
.section{padding:36px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:12px;margin-bottom:16px}
.section-head h2{margin:0;font-size:1.5rem}
.section-head a{font-weight:600;text-decoration:none;white-space:nowrap}
.topic-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}
.topic-tile{position:relative;overflow:hidden;border-radius:var(--radius);padding:18px 14px;min-height:118px;color:#fff;text-decoration:none;background:linear-gradient(135deg,var(--t1),var(--t2));display:flex;flex-direction:column;justify-content:space-between;transition:transform .2s}
.topic-tile::before{content:"";position:absolute;inset:0;background:var(--pattern);opacity:.9}
.topic-tile:hover{transform:translateY(-4px)}
.topic-tile .ic{font-size:1.9rem;position:relative}
.topic-tile b{position:relative;font-size:1.05rem}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow);transition:transform .2s}
.card:hover{transform:translateY(-3px)}
.card a.cover{display:block;aspect-ratio:16/9;background:linear-gradient(135deg,var(--t1),var(--t2));position:relative;overflow:hidden}
.card a.cover::before{content:"";position:absolute;inset:0;background:var(--pattern)}
.card .cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.card .cover .big{position:absolute;inset:0;display:grid;place-items:center;font-size:3rem}
.card .body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:8px;flex:1}
.badge{align-self:flex-start;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:#fff;background:var(--ta);padding:.15rem .55rem;border-radius:999px;text-decoration:none}
.card h3{font-size:1.1rem;margin:0}
.card h3 a{color:var(--text);text-decoration:none}
.card h3 a:hover{color:var(--ta)}
.card p{margin:0;color:var(--muted);font-size:.93rem}
.meta{margin-top:auto;font-size:.8rem;color:var(--muted)}
.feature{display:grid;grid-template-columns:1.4fr 1fr;gap:18px}
.feature .card:first-child{grid-row:span 2}
.feature .card:first-child .cover{aspect-ratio:16/10}
@media (max-width:800px){.feature{grid-template-columns:1fr}}
.band{padding:30px 0;border-top:1px solid var(--line)}
.band .section-head h2{display:flex;align-items:center;gap:10px}
.band .section-head h2 .ic{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--t1),var(--t2));font-size:1.2rem}
.empty{padding:28px;border:2px dashed var(--line);border-radius:var(--radius);text-align:center;color:var(--muted)}
.loading{color:var(--muted);padding:20px}

/* ---------- topic page ---------- */
.topic-hero{position:relative;color:#fff;padding:54px 0 46px;background:linear-gradient(135deg,var(--t1),var(--t2));overflow:hidden;font-family:var(--tfont)}
.topic-hero::before{content:"";position:absolute;inset:0;background:var(--pattern)}
.topic-hero .wrap{position:relative}
.crumbs{font-size:.85rem;opacity:.9;margin-bottom:14px}
.crumbs a{color:inherit}
.topic-hero h1{font-size:clamp(2rem,6vw,3.6rem);display:flex;align-items:center;gap:14px;margin:0 0 6px}
.topic-hero h1 .ic{font-size:.9em}
.topic-hero p{font-size:1.15rem;max-width:56ch;margin:0 0 18px;opacity:.95}
.kw{display:flex;gap:10px;flex-wrap:wrap}
.kw span{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.16);backdrop-filter:blur(4px);border:1px solid rgba(255,255,255,.25);padding:.4rem .85rem;border-radius:999px;font-weight:600;font-size:.9rem}
.theme-page{font-family:var(--tfont)}
.theme-history .card h3,.theme-history .article h1,.theme-history .article h2{font-family:Georgia,serif}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin:22px 0 4px}
.more{text-align:center;margin:26px 0}

/* ---------- article ---------- */
.progress{position:fixed;left:0;top:0;height:4px;width:0;background:var(--ta,var(--accent));z-index:100}
.article-wrap{display:grid;grid-template-columns:minmax(0,740px) 260px;gap:40px;justify-content:center;padding:28px 0 40px}
@media (max-width:1000px){.article-wrap{grid-template-columns:minmax(0,1fr)}.toc-box{order:-1}}
.article h1{font-size:clamp(1.8rem,4.5vw,2.7rem);margin:.4em 0 .3em}
.article .lead{font-size:1.15rem;color:var(--muted)}
.byline{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:.88rem;color:var(--muted);margin:10px 0 18px}
.article .cover-img{border-radius:var(--radius);margin:16px 0;width:100%;max-height:440px;object-fit:cover}
.prose{font-size:1.08rem}
.prose h2{margin-top:1.6em;font-size:1.6rem}
.prose h3{margin-top:1.3em;font-size:1.25rem}
.prose img{border-radius:12px;margin:1em auto}
.prose blockquote{margin:1.2em 0;padding:.4em 1.1em;border-left:4px solid var(--ta);background:var(--surface);border-radius:0 12px 12px 0;color:var(--muted)}
.prose pre{background:#0f172a;color:#e2e8f0;padding:14px;border-radius:12px;overflow:auto;font-size:.9rem}
.prose code{background:var(--surface2);padding:.1em .35em;border-radius:6px;font-size:.92em}
.prose pre code{background:none;padding:0}
.prose table{border-collapse:collapse;width:100%;display:block;overflow:auto;margin:1.2em 0}
.prose th,.prose td{border:1px solid var(--line);padding:.5em .8em;text-align:left}
.prose th{background:var(--surface2)}
.prose hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.toc-box{position:sticky;top:130px;align-self:start;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;font-size:.92rem}
.toc-box h4{margin:0 0 8px}
.toc-box a{display:block;color:var(--muted);text-decoration:none;padding:3px 0}
.toc-box a.l3{padding-left:14px;font-size:.88rem}
.toc-box a:hover{color:var(--ta)}
.share{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0}
.notice{background:var(--surface2);border:1px solid var(--line);border-radius:12px;padding:12px 14px;font-size:.9rem;color:var(--muted);margin:18px 0}
#top-btn{position:fixed;right:16px;bottom:16px;width:44px;height:44px;border-radius:50%;border:0;background:var(--brand);color:#fff;font-size:1.2rem;cursor:pointer;box-shadow:var(--shadow);display:none;z-index:60}

/* ---------- tools / forms ---------- */
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px}
.tool-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px;text-align:left;cursor:pointer;font:inherit;color:inherit;display:flex;flex-direction:column;gap:4px}
.tool-card:hover,.tool-card.on{border-color:var(--ta,var(--link));box-shadow:var(--shadow)}
.tool-card .ic{font-size:1.6rem}
.tool-card small{color:var(--muted)}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-top:20px;box-shadow:var(--shadow)}
.panel h3{margin-top:0}
.row{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin-bottom:12px}
label{display:block;font-weight:600;font-size:.88rem;margin-bottom:4px}
input,select,textarea{width:100%;font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:.55rem .7rem}
textarea{min-height:140px;resize:vertical}
input[type=checkbox]{width:auto}
input:focus,select:focus,textarea:focus{outline:2px solid var(--ta,var(--link));outline-offset:1px}
.result{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-top:14px}
.result div{background:var(--surface2);border-radius:12px;padding:10px 12px}
.result b{display:block;font-size:1.25rem}
.result small{color:var(--muted)}
.btns{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0}
.out{white-space:pre-wrap;background:var(--surface2);border-radius:12px;padding:14px;margin-top:12px;min-height:60px}
.engines{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.ai-out{margin-top:14px}
.status{font-size:.9rem;margin-top:8px;min-height:1.2em}
.status.err{color:#dc2626}.status.ok{color:#16a34a}

.askai{border-left:5px solid var(--ta);margin:28px 0}

/* ---------- footer ---------- */
.site-footer{background:var(--brand);color:#c8d2ec;margin-top:40px;padding:36px 0 18px}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px}
@media (max-width:760px){.fgrid{grid-template-columns:1fr 1fr}.fgrid>:first-child{grid-column:1/-1}}
.site-footer h4{color:#fff;margin:0 0 10px}
.site-footer a{display:block;color:#c8d2ec;text-decoration:none;padding:2px 0}
.site-footer a:hover{color:#fff}
.copy{border-top:1px solid rgba(255,255,255,.12);margin-top:24px;padding-top:14px;font-size:.85rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

/* ---------- static pages ---------- */
.page{max-width:780px;margin:0 auto;padding:36px 0}
.page h1{font-size:2.2rem}
.page h2{margin-top:1.6em;font-size:1.35rem}
.big-404{font-size:6rem;font-weight:800;color:var(--accent);margin:0}

/* ---------- admin ---------- */
.admin-bar{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.admin-grid{display:grid;grid-template-columns:320px 1fr;gap:20px;align-items:start}
@media (max-width:900px){.admin-grid{grid-template-columns:1fr}}
.alist{max-height:70vh;overflow:auto;display:flex;flex-direction:column;gap:8px}
.aitem{border:1px solid var(--line);border-radius:12px;padding:10px 12px;background:var(--surface);cursor:pointer}
.aitem:hover,.aitem.on{border-color:var(--link)}
.aitem small{color:var(--muted)}
.tag{font-size:.7rem;font-weight:700;padding:.1rem .45rem;border-radius:999px;background:var(--surface2);margin-left:6px}
.tag.pub{background:#dcfce7;color:#166534}
.editor-split{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:1100px){.editor-split{grid-template-columns:1fr}}
#content{min-height:380px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.92rem}
.preview{border:1px solid var(--line);border-radius:12px;padding:14px;background:var(--bg);min-height:380px;overflow:auto}

/* ---------- print (CV / AI output) ---------- */
@media print{
  body *{visibility:hidden}
  .print-area,.print-area *{visibility:visible}
  .print-area{position:absolute;left:0;top:0;width:100%;background:#fff;color:#000;padding:0}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* owner dashboard */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px;margin-bottom:16px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px;display:flex;flex-direction:column;gap:2px}
.stat b{font-size:1.5rem}.stat span{color:var(--muted);font-size:.8rem}.stat.wide{grid-column:span 2}
.seo{margin:10px 0;border:1px dashed var(--line);border-radius:12px;padding:10px 12px}.seo summary{cursor:pointer;font-weight:600}
.aitem+.aitem{margin-top:8px}
/* recently viewed / filters */
.filterbar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}.filterbar select{width:auto;min-width:150px}
.rv-list{display:flex;flex-wrap:wrap;gap:8px}.rv{display:inline-flex;gap:8px;align-items:center;padding:.4rem .8rem;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--text);text-decoration:none;font-size:.9rem;max-width:100%}
.rv:hover{border-color:var(--link)}.rv span{flex:none}
.ai-grid .tool-card{text-decoration:none}
.ai-quick{display:flex;gap:8px;margin-bottom:16px;max-width:640px}.ai-quick input{flex:1}