:root,:root[data-theme=dark]{--bg: #0a0e1a;--bg2: #121a30;--panel: #141d34;--border: #243154;--text: #e6ebf5;--muted: #8b97b3;--accent: #5eead4;--accent2: #a78bfa;--danger: #f87171;--bg-glow: #1b2547;--header-bg: rgba(10, 14, 26, .7);--btn-fg: #0a0e1a;--tint: rgba(255, 255, 255, .05);--radius: 10px;--maxw: 960px}:root[data-theme=light]{--bg: #f6f8fc;--bg2: #ffffff;--panel: #ffffff;--border: #d6dcea;--text: #14203a;--muted: #586585;--accent: #0d9488;--accent2: #7c3aed;--danger: #dc2626;--bg-glow: #e3ebf9;--header-bg: rgba(246, 248, 252, .8);--btn-fg: #ffffff;--tint: rgba(20, 32, 58, .05)}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:radial-gradient(1200px 700px at 70% -10%,var(--bg-glow) 0%,var(--bg) 55%) fixed;color:var(--text);min-height:100vh;display:flex;flex-direction:column;line-height:1.6}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.skip-link{position:absolute;left:-999px;top:0;z-index:100;background:var(--panel);color:var(--text);padding:.6rem 1rem;border:1px solid var(--border);border-radius:0 0 8px}.skip-link:focus{left:0}.site-header{border-bottom:1px solid var(--border);background:var(--header-bg);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);position:sticky;top:0;z-index:10}.nav-top{max-width:var(--maxw);margin:0 auto;display:flex;align-items:center;gap:1rem;padding:.75rem 1rem .5rem;flex-wrap:wrap}.nav-main{max-width:var(--maxw);margin:0 auto;display:flex;align-items:center;gap:1rem;padding:.25rem 1rem .75rem;flex-wrap:wrap}.brand{font-weight:800;font-size:1.15rem;background:linear-gradient(120deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}.nav-top .spacer{flex:1}.nav-top a,.nav-main a{color:var(--text)}.nav-top a.active,.nav-main a.active{color:var(--accent);font-weight:700}.nav-main a.active{box-shadow:inset 0 -2px 0 var(--accent)}.icon-link{display:inline-flex;align-items:center;color:var(--muted)}.icon-link:hover{color:var(--text)}main{flex:1;width:100%;max-width:var(--maxw);margin:0 auto;padding:1.5rem 1rem 3rem}.site-footer{border-top:1px solid var(--border);color:var(--muted);font-size:.82rem;padding:1.25rem 1rem}.site-footer .inner{max-width:var(--maxw);margin:0 auto;display:flex;flex-direction:column;gap:.5rem}.site-footer .links{display:flex;gap:1rem;flex-wrap:wrap}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem}.btn{display:inline-block;background:linear-gradient(120deg,var(--accent),var(--accent2));color:var(--btn-fg);font-weight:700;border:none;border-radius:var(--radius);padding:.6rem 1rem;cursor:pointer;font-size:1rem}.btn.secondary{background:transparent;color:var(--text);border:1px solid var(--border)}.btn.link{background:none;color:var(--accent);padding:0}form.stack{display:flex;flex-direction:column;gap:.9rem;max-width:420px}label{display:flex;flex-direction:column;gap:.3rem;font-size:.9rem;color:var(--muted)}input,select,textarea{background:var(--bg2);border:1px solid var(--border);border-radius:8px;color:var(--text);padding:.6rem;font-size:1rem;font-family:inherit;max-width:100%}.error{color:var(--danger);font-size:.9rem}.notice{color:var(--accent);font-size:.9rem}h1{font-size:clamp(1.8rem,4vw,2.4rem);line-height:1.15}