:root{--bg:#05060a;--panel:#0b1320;--panel2:#0e1a2e;--ocean:#1f6feb;--sky:#58a6ff;
--foam:#dbeafe;--mist:#7fb0d6;--ok:#56d364;--bad:#ff7b72;--line:#1f3a5f;
--accent:#22d3ee;--accent2:#7c3aed}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--foam);
font:16px/1.6 ui-sans-serif,system-ui,Segoe UI,Roboto,sans-serif;
background-image:radial-gradient(1200px 600px at 80% -10%, rgba(34,211,238,.08), transparent 60%),
radial-gradient(900px 500px at 0% 0%, rgba(124,58,237,.08), transparent 55%);}
.top{display:flex;align-items:center;justify-content:space-between;
padding:16px 26px;border-bottom:1px solid var(--line);
backdrop-filter:blur(8px);position:sticky;top:0;z-index:10;
background:rgba(5,6,10,.7)}
.brand{color:var(--sky);font-weight:700;font-size:19px;text-decoration:none;letter-spacing:.5px}
.brand:hover{color:var(--accent)}
nav a{color:var(--mist);text-decoration:none;margin-left:16px;transition:.15s}
nav a:hover{color:var(--foam)}
.wrap{max-width:1080px;margin:0 auto;padding:34px 20px}

/* ---------- HERO ---------- */
.hero{position:relative;text-align:center;padding:70px 16px 50px;overflow:hidden}
.hero-glow{position:absolute;inset:-20% 0 auto 0;height:340px;margin:auto;
width:680px;max-width:90%;border-radius:50%;
background:conic-gradient(from 0deg,var(--accent),var(--ocean),var(--accent2),var(--accent));
filter:blur(90px);opacity:.28;animation:spin 14s linear infinite;z-index:0}
@keyframes spin{to{transform:rotate(360deg)}}
.hero-kicker{position:relative;z-index:1;color:var(--accent);font-family:ui-monospace,Menlo,monospace;
font-size:13px;letter-spacing:2px;margin:0 0 14px;text-transform:uppercase}
.hero-name{position:relative;z-index:1;margin:0;font-size:clamp(2.4rem,7vw,4.2rem);
font-weight:800;letter-spacing:-1px;line-height:1.05;
background:linear-gradient(100deg,var(--foam),var(--sky) 45%,var(--accent));
-webkit-background-clip:text;background-clip:text;color:transparent;
animation:fadeUp .7s ease both}
.hero-tag{position:relative;z-index:1;max-width:680px;margin:18px auto 0;
color:var(--mist);font-size:clamp(1rem,2.4vw,1.2rem)}
.hero-socials{position:relative;z-index:1;margin-top:26px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
/* botões do hero no estilo icon-separator (ref: botões com ícone em caixa) */
.social{position:relative;display:inline-flex;align-items:center;justify-content:center;
text-decoration:none;color:#fff;font:700 15px/1 'Lato',ui-sans-serif,system-ui,sans-serif;
text-transform:uppercase;letter-spacing:1px;padding:16px 30px 16px 62px;border-radius:10px;
overflow:hidden;transition:all .25s;box-shadow:0 6px 18px rgba(0,0,0,.35)}
.social .social-ic{position:absolute;left:0;top:0;height:100%;width:46px;display:flex;
align-items:center;justify-content:center;font-size:20px;background:rgba(0,0,0,.18)}
.social .social-tx{position:relative;z-index:1}
.social:hover{filter:brightness(1.12)}
.social:active{transform:translateY(2px)}
.social--gh{background:linear-gradient(120deg,#1f6feb,#2563eb)}
.social--gh:hover{background:linear-gradient(120deg,#1b5fcc,#1d4fd0)}
.social--mail{background:linear-gradient(120deg,#7c3aed,#6d28d9)}
.social--mail:hover{background:linear-gradient(120deg,#6b2fcf,#5b21c4)}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

/* ---------- SOBRE ---------- */
.about{display:grid;grid-template-columns:1.4fr 1fr;gap:26px;align-items:start;
margin:10px 0 46px;padding:26px;border:1px solid var(--line);border-radius:16px;
background:linear-gradient(180deg,var(--panel),var(--panel2));
animation:fadeUp .8s ease both}
.about-bio p{margin:0 0 12px;color:var(--foam)}
.about-bio p:last-child{margin-bottom:0}
.facts{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.facts li{display:flex;align-items:center;gap:12px;background:var(--bg);
border:1px solid var(--line);border-radius:12px;padding:10px 14px;transition:.15s}
.facts li:hover{border-color:var(--sky);transform:translateX(4px)}
.fact-ic{font-size:20px}
.fact-tx{color:var(--mist);font-size:14px}

.sec-title{color:var(--sky);font-size:1.6rem;margin:30px 0 6px;
position:relative;padding-left:14px}
.sec-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
border-radius:4px;background:linear-gradient(var(--accent),var(--ocean))}
.lead{color:var(--mist)}

/* ---------- GRID DE CARDS ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:18px;margin-top:18px}
.card{display:block;background:linear-gradient(180deg,var(--panel),var(--panel2));
border:1px solid var(--line);border-radius:14px;padding:18px;text-decoration:none;
color:var(--foam);transition:.2s;min-height:172px;position:relative;overflow:hidden}
.card::after{content:"";position:absolute;inset:0;border-radius:14px;padding:1px;
background:linear-gradient(135deg,transparent,var(--accent),transparent);
-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:.2s}
.card:hover{transform:translateY(-5px);box-shadow:0 16px 40px rgba(31,111,235,.18)}
.card:hover::after{opacity:1}
.card-top{display:flex;justify-content:space-between;font-size:12px;margin-bottom:6px}
.lang{color:var(--sky)}.cat{color:var(--mist);background:var(--bg);padding:1px 8px;border-radius:8px}
.card h3{margin:.4em 0 .25em;color:var(--foam);font-size:1.15rem}
.card p{color:var(--mist);font-size:13px;margin:.2em 0}
.card-foot{margin-top:12px}
.badge{padding:2px 9px;border-radius:9px;font-size:12px}
.badge.ok{background:#0c2a16;color:var(--ok)}
.badge.bad{background:#2a0c10;color:var(--bad)}
.badge.none{background:#1a1a1a;color:var(--mist)}
/* ---------- CARD DESTAQUE (TUIs) ---------- */
.card.featured{background:linear-gradient(160deg,#0b1320,#13234a 60%,#1a1740);
border-color:var(--accent);box-shadow:0 0 0 1px var(--accent),0 14px 40px rgba(34,211,238,.22);
animation:featGlow 3.4s ease-in-out infinite}
.card.featured:hover{transform:translateY(-6px)}
.card.featured h3{background:linear-gradient(100deg,var(--foam),var(--accent));
-webkit-background-clip:text;background-clip:text;color:transparent;font-size:1.3rem}
.card.featured::before{content:"★";position:absolute;top:10px;right:12px;
color:var(--accent);font-size:18px;filter:drop-shadow(0 0 6px var(--accent))}
@keyframes featGlow{0%,100%{box-shadow:0 0 0 1px var(--accent),0 14px 40px rgba(34,211,238,.18)}
50%{box-shadow:0 0 0 1px var(--accent),0 14px 52px rgba(124,58,237,.30)}}
.tag.feat{display:inline-block;margin-left:8px;padding:2px 9px;border-radius:9px;
font-size:11px;font-weight:700;letter-spacing:.5px;color:#04121a;
background:linear-gradient(120deg,var(--accent),var(--accent2));vertical-align:middle}

/* ---------- PÁGINA DE PROJETO ---------- */
.tags .lang,.tags .cat{padding:2px 9px;border-radius:9px;font-size:12px;margin-right:6px}
.tags .cat{background:var(--bg);color:var(--mist)}.tags .lang{background:var(--bg);color:var(--sky)}
.repo{color:var(--sky);text-decoration:none;float:right}
.phead{border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:16px}
.tabs{display:flex;gap:8px;margin-bottom:14px;flex-wrap:wrap}
.tab{background:var(--panel);color:var(--mist);border:1px solid var(--line);
border-radius:9px;padding:9px 18px;cursor:pointer;transition:.15s}
.tab:hover{color:var(--foam)}
.tab.active{background:linear-gradient(120deg,var(--ocean),var(--accent));color:#fff;border-color:transparent}
.pane{display:none;animation:fadeUp .35s ease both}.pane.active{display:block}
.tests{list-style:none;padding:0;margin:0}
.trow{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;
background:var(--panel);margin-bottom:6px;flex-wrap:wrap;transition:.15s}
.trow:hover{background:var(--panel2)}
.trow .dot{width:10px;height:10px;border-radius:50%}
.trow.pass .dot{background:var(--ok)}.trow.fail .dot{background:var(--bad)}
.trow.skip .dot{background:var(--mist)}
.tname{font-family:ui-monospace,Menlo,monospace;flex:1}
.ttime{color:var(--mist);font-size:12px}
.tdetail{flex-basis:100%}
.tb{background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:10px;
max-height:240px;overflow:auto;color:var(--mist);font-size:12px;white-space:pre-wrap}
.summary{color:var(--foam)}.ok{color:var(--ok)}.bad{color:var(--bad)}.muted{color:var(--mist)}
details{margin:4px 0;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:6px 10px}
summary{cursor:pointer;color:var(--sky)}
.eps,.tree,.tree li{list-style:square;color:var(--mist)}
.algo{overflow:auto;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px}
.flow .box{fill:#0b1f3a;stroke:var(--line);stroke-width:1.6}
.flow .dia{fill:#06122a;stroke:var(--sky);stroke-width:1.6}
.flow .oval{fill:#06122a;stroke:var(--ok);stroke-width:1.6}
.flow .oval.end{stroke:var(--bad)}
.flow .para{fill:#0b1f3a;stroke:var(--mist);stroke-width:1.6}
.flow .lbl{fill:var(--foam);font:13px ui-sans-serif;dominant-baseline:middle;text-anchor:middle}
.flow .flow-title{fill:var(--sky);font:14px ui-sans-serif;text-anchor:middle;font-weight:700}
.flow .edge-lbl{font:11px ui-sans-serif;text-anchor:middle;font-weight:700}
.readme{background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:14px;
color:var(--mist);white-space:pre-wrap;font-size:13px;max-height:420px;overflow:auto}
.back{color:var(--mist);text-decoration:none}.back:hover{color:var(--accent)}
.ex{background:var(--bg);border:1px solid var(--line);border-radius:10px;margin:12px 0;overflow:hidden;
transition:.15s}.ex:hover{border-color:var(--sky)}
.ex-cmd{background:var(--panel2);padding:9px 13px;color:var(--sky);font-family:ui-monospace,Menlo,monospace;font-size:13px;border-bottom:1px solid var(--line)}
.ex-cmd .prompt{color:var(--ok)}
.ex-out{padding:11px 13px}
.ex-out pre{margin:0;color:var(--foam);font-family:ui-monospace,Menlo,monospace;font-size:12.5px;white-space:pre-wrap;line-height:1.45}
.foot{padding:26px 20px;text-align:center;color:var(--mist);font-size:12px;border-top:1px solid var(--line);margin-top:40px}

/* SVG do algoritmo fluido */
.algo .flow{width:100%;height:auto;max-width:100%;display:block;margin:0 auto}

/* ---------- responsivo: tablet ---------- */
@media (max-width:880px){
  .wrap{padding:26px 16px}
  .about{grid-template-columns:1fr;gap:18px}
  .grid{grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}
  .card{min-height:150px;padding:15px}
  .tabs{flex-wrap:wrap}.tab{padding:8px 14px;font-size:13px}
}
/* ---------- responsivo: celular ---------- */
@media (max-width:560px){
  .top{padding:12px 14px;flex-wrap:wrap;gap:6px}
  .brand{font-size:16px}
  .wrap{padding:18px 13px}
  .hero{padding:48px 10px 34px}
  .lead{font-size:14px}
  .grid{grid-template-columns:1fr}
  .card{min-height:0;padding:15px}
  h1{font-size:1.3rem}
  .phead .tags .lang,.phead .tags .cat{font-size:11px}
  .readme,.tb,.ex-out pre{font-size:12px}
  .trow{flex-wrap:wrap}.ttime{flex-basis:100%}
  .foot{font-size:11px;padding:18px 10px}
}