:root{--navy: #162867;--navy-2: #22388a;--gold: #f9ad25;--bg: #f4f6fa;--surface: #ffffff;--text: #16203a;--muted: #5d6680;--border: #d8dde8;--danger: #b42318;--radius: 10px;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg);-webkit-text-size-adjust:100%}*{box-sizing:border-box}html{background:var(--navy)}body{margin:0;background:var(--bg);min-height:100vh}h1{font-size:1.5rem;margin:0 0 16px}h2{font-size:1.15rem;margin:32px 0 8px}a{color:var(--navy-2)}.muted{color:var(--muted)}.small{font-size:.9rem}.center{text-align:center;margin-top:30vh}.error{color:var(--danger);margin:0}.hint{color:var(--muted);font-size:.85rem;font-weight:400}.row{display:flex;gap:8px;flex-wrap:wrap}.topbar{display:flex;align-items:center;gap:16px;padding:8px 16px;background:var(--navy);position:sticky;top:0;z-index:1}.topbar-logo{width:44px;height:44px}.topbar nav{display:flex;gap:4px}.topbar nav a{color:#fff;text-decoration:none;padding:8px 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