:root { --max: 1100px; --border: #e6e8eb; --muted:#667085; --bg:#f6f7f8; --text:#0b0f17; }
* { box-sizing: border-box; }
html, body { margin:0; padding:0; font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji"; color: var(--text); background: white; }
a { color: inherit; text-decoration: none; }
.container { max-width: var(--max); margin: 0 auto; padding: 24px; }
.nav { display:flex; align-items:center; justify-content:space-between; gap:16px; padding: 18px 24px; border-bottom:1px solid var(--border); background: #fbfcfd; position: sticky; top:0; z-index: 20; }
.nav .left { display:flex; align-items:center; gap:14px; }
.brand { font-weight: 650; letter-spacing: .2px; }
.navlinks { display:flex; align-items:center; gap:18px; flex-wrap:wrap; color:#4b5563; }
.navlinks a { padding: 8px 10px; border-radius: 10px; }
.navlinks a:hover { background: #eef2f6; }
.actions { display:flex; align-items:center; gap:10px; }
.btn { display:inline-flex; align-items:center; justify-content:center; gap:8px; padding: 10px 14px; border-radius: 12px; border: 1px solid var(--border); background: white; cursor:pointer; font-weight: 600; }
.btn.primary { background:#0b2545; border-color:#0b2545; color:white; }
.btn.ghost { background: transparent; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.hero { padding: 56px 0; border-bottom: 1px solid var(--border); background: var(--bg); }
.h1 { font-size: 56px; line-height: 1.05; margin: 0 0 12px; letter-spacing: -1px; }
.p { color: var(--muted); font-size: 18px; margin: 0 0 16px; }
.card { background: white; border: 1px solid var(--border); border-radius: 16px; padding: 18px; box-shadow: 0 1px 0 rgba(16,24,40,.04); }
.grid { display:grid; grid-template-columns: 1fr; gap:16px; }
@media(min-width: 900px){ .grid { grid-template-columns: 1.2fr .8fr; } }
label { display:block; font-weight: 600; margin: 12px 0 6px; }
input, select, textarea { width:100%; padding: 10px 12px; border-radius: 12px; border:1px solid var(--border); font-size: 14px; }
small { color: var(--muted); display:block; margin-top: 6px; }
.footer { padding: 28px 24px; color: var(--muted); border-top:1px solid var(--border); background:#fbfcfd; }
.hidden { display:none !important; }
.notice { padding: 12px 14px; border-radius: 12px; border:1px solid var(--border); background:#fbfcfd; color:#344054; }
.notice.ok { border-color:#b7ebc6; background:#ecfdf3; }
.notice.bad { border-color:#f9c3c0; background:#FFFFFF1f1; }