header.unified-hdr{position:fixed;top:0;left:0;right:0;z-index:100;transition:.4s;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}header.unified-hdr.s{background:var(--hdr-bg);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-bottom:1px solid var(--b)}header.unified-hdr nav{max-width:1320px;margin:0 auto;padding:.75rem 2.5rem;display:flex;align-items:center;justify-content:space-between}header.unified-hdr .logo{font-family:var(--f-display);font-weight:700;font-size:1.125rem;color:var(--dark);display:flex;align-items:center;gap:.375rem;letter-spacing:-.02em;text-decoration:none}header.unified-hdr .logo-d{font-family:var(--f-mono);font-size:.5625rem;font-weight:500;color:var(--teal);opacity:.8}header.unified-hdr .nv{display:flex;gap:1.75rem;list-style:none;margin:0;padding:0;justify-content:center}header.unified-hdr .nv a{color:var(--dark4);font-size:.8125rem;font-weight:500;transition:.25s;display:flex;align-items:center;gap:.375rem;text-decoration:none}header.unified-hdr .nv a:hover{color:var(--dark2)}header.unified-hdr .nav-ic{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0;opacity:.6}header.unified-hdr .nv a:hover .nav-ic{opacity:1}header.unified-hdr .nr{display:flex;gap:.5rem;align-items:center}header.unified-hdr .bt{padding:.4375rem 1rem;border-radius:6px;font-weight:600;font-size:.8125rem;transition:.25s;border:none;cursor:pointer;font-family:var(--f-body);display:inline-flex;align-items:center;gap:.375rem;line-height:1.4;text-decoration:none;background:none;color:var(--dark4)}header.unified-hdr .bt:hover{color:var(--dark2)}header.unified-hdr .bt-t{background:var(--teal);color:#fff;box-shadow:0 2px 8px rgba(13,148,136,.2)}header.unified-hdr .bt-t:hover{background:var(--teal2);box-shadow:0 4px 16px rgba(13,148,136,.25);transform:translateY(-1px)}header.unified-hdr .bt-gh{background:var(--card2);color:var(--dark2);border:1px solid var(--b2)}header.unified-hdr .bt-gh:hover{border-color:var(--b3);color:var(--dark)}header.unified-hdr .bt-gh svg{width:16px;height:16px;fill:var(--dark2)}header.unified-hdr .gh-star-badge{font-family:var(--f-mono);font-size:.6875rem;color:var(--dark3);background:var(--bg4);padding:.0625rem .375rem;border-radius:3px;margin-left:.125rem;display:inline-flex;align-items:center;gap:.1875rem}header.unified-hdr .gh-star-icon{color:#fbbf24;font-size:.75rem}header.unified-hdr .theme-toggle{width:26px;height:26px;border-radius:50%;border:1px solid var(--b2);background:var(--card2);display:grid;place-items:center;cursor:pointer;transition:.25s;padding:0;color:var(--amber);opacity:.4;flex-shrink:0}header.unified-hdr .theme-toggle:hover{border-color:var(--amber);opacity:.8;box-shadow:0 0 10px rgba(251,191,36,.12)}header.unified-hdr .theme-toggle svg{width:12px;height:12px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}header.unified-hdr .lang-sw{position:relative}header.unified-hdr .lang-cur{font-family:var(--f-mono);font-size:.625rem;font-weight:600;color:var(--dark4);padding:.3rem .5rem;border:1px solid var(--b2);border-radius:5px;display:flex;align-items:center;gap:.25rem;transition:.25s;cursor:pointer;background:none;margin:0;line-height:1.4}header.unified-hdr .lang-cur:hover{border-color:var(--b3);color:var(--dark2)}header.unified-hdr .lang-dd{position:absolute;top:calc(100% + 6px);right:0;background:var(--card);border:1px solid var(--b2);border-radius:8px;box-shadow:0 8px 24px rgba(0,0,0,.08);padding:.25rem;min-width:130px;z-index:110}header.unified-hdr .lang-opt{display:flex;align-items:center;gap:.5rem;padding:.375rem .625rem;font-family:var(--f-mono);font-size:.5625rem;color:var(--dark3);border-radius:5px;transition:.15s;cursor:pointer;background:none;border:none;width:100%;margin:0;line-height:1.4;text-align:left}header.unified-hdr .lang-opt:hover{background:var(--bg2);color:var(--dark)}header.unified-hdr .lang-opt.active{color:var(--teal);font-weight:700}header.unified-hdr .bt-logout{color:var(--coral,#e74c3c)}header.unified-hdr .bt-logout:hover{opacity:.7}html.light header.unified-hdr.s{background:var(--hdr-bg);box-shadow:0 1px 0 var(--b);border-bottom:none}html.light header.unified-hdr .bt-gh{background:#fff;color:var(--dark2);border:1px solid var(--b2)}html.light header.unified-hdr .bt-gh svg{fill:var(--dark2)}html.light header.unified-hdr .bt-gh:hover{border-color:var(--b3);box-shadow:0 2px 8px rgba(0,0,0,.06)}html.light header.unified-hdr .theme-toggle{color:var(--amber);opacity:.6}html.light header.unified-hdr .theme-toggle:hover{border-color:var(--amber);opacity:1;box-shadow:0 0 10px rgba(217,119,6,.12)}html.light header.unified-hdr .lang-dd{background:#fff;box-shadow:0 8px 24px rgba(0,0,0,.1)}@media(max-width:1024px){header.unified-hdr .bt-gh,header.unified-hdr .lang-sw,header.unified-hdr .nv{display:none!important}}