:root{--bg: #f6f7f9;--surface: #ffffff;--surface-border: #dfdfdf;--text: #19191a;--muted: #5e6168;--primary: #1f6feb;--primary-hover: #1458bf;--danger: #b42318;--ok: #0f9d58;--radius: 14px;--shadow: 0 12px 28px rgba(0, 0, 0, .05)}*{box-sizing:border-box}body{margin:0;font-family:SF Pro Text,Segoe UI,sans-serif;color:var(--text);background:radial-gradient(circle at 12% 18%,#f0f6ff 0,transparent 42%),radial-gradient(circle at 88% 2%,#f7f8ff 0,transparent 28%),var(--bg);min-height:100vh}a{color:inherit}#root{min-height:100vh}.app-shell{min-height:100vh;display:grid;grid-template-rows:auto 1fr}.site-header{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.25rem;border-bottom:1px solid var(--surface-border);background:#ffffffd9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);position:sticky;top:0;z-index:5}.brand{font-weight:700;text-decoration:none;letter-spacing:.02em}.container{width:min(920px,100% - 2rem);margin:2.25rem auto}.page-stack,.auth-layout{background:var(--surface);border:1px solid var(--surface-border);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.5rem}.auth-layout{max-width:480px}.page-stack h1{margin:0;font-size:clamp(1.5rem,2vw,2rem)}.eyebrow{margin:0;font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}.helper-text{margin:0;color:var(--muted)}.helper-text.tiny{font-size:.85rem}.helper-link{text-decoration:none;color:var(--primary)}.row{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center}.form{display:grid;gap:.9rem}label{display:grid;gap:.35rem;font-weight:600}input{border:1px solid var(--surface-border);border-radius:10px;padding:.65rem .8rem;font:inherit}input:focus-visible{outline:2px solid color-mix(in srgb,var(--primary) 45%,white);border-color:var(--primary)}.btn{border:none;border-radius:10px;padding:.62rem .95rem;font:inherit;font-weight:600;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}.btn:disabled{opacity:.45;cursor:not-allowed}.btn.primary{background:var(--primary);color:#fff}.btn.primary:hover:enabled{background:var(--primary-hover)}.btn.secondary{background:#eef4ff;color:#1c428a}.btn.ghost{background:transparent;border:1px solid var(--surface-border)}.notice{border-radius:10px;padding:.7rem .8rem;font-size:.93rem;border:1px solid var(--surface-border)}.notice.ok{background:#ebfff3;border-color:#b0eac4;color:var(--ok)}.notice.error{background:#fff1f1;border-color:#ffd0cc;color:var(--danger)}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:.85rem}.card{background:#fcfcfd;border:1px solid var(--surface-border);border-radius:12px;padding:1rem}.card h2{margin:0 0 .5rem;font-size:.95rem;color:var(--muted)}.card p{margin:0;font-size:1.1rem;font-weight:600}@media(max-width:640px){.site-header{flex-direction:column;align-items:flex-start;gap:.65rem}.container{width:min(920px,100% - 1rem);margin:1rem auto}.page-stack,.auth-layout{padding:1rem}}