:root{--bg: #f4f5f7;--card: #ffffff;--text: #1d2330;--muted: #667085;--accent: #c8102e;--accent-dark: #a00d25;--border: #e3e6eb;--radius: 10px;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg)}*{box-sizing:border-box}body{margin:0}h1{font-size:1.5rem;margin:0 0 .5rem}.muted{color:var(--muted)}.center{display:grid;place-items:center;min-height:100vh}.error{color:var(--accent);margin:0}.auth-card{max-width:420px;margin:10vh auto;padding:2rem;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);display:flex;flex-direction:column;gap:1rem}form{display:flex;flex-direction:column;gap:.9rem}label{display:flex;flex-direction:column;gap:.3rem;font-size:.9rem;font-weight:500}input{padding:.65rem .75rem;border:1px solid var(--border);border-radius:8px;font-size:1rem}input:focus{outline:2px solid var(--accent);outline-offset:1px}button{padding:.7rem 1rem;border:0;border-radius:8px;background:var(--accent);color:#fff;font-size:1rem;cursor:pointer}button:hover:not(:disabled){background:var(--accent-dark)}button:disabled{opacity:.6;cursor:default}button.link{background:none;color:var(--muted);padding:.3rem}button.link:hover{background:none;color:var(--text)}.qr{align-self:center;border:1px solid var(--border);border-radius:8px}code{background:var(--bg);padding:.1rem .3rem;border-radius:4px;word-break:break-all}.layout{min-height:100vh;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;gap:1.5rem;padding:.75rem 1.5rem;background:var(--card);border-bottom:1px solid var(--border);flex-wrap:wrap}.topbar a{color:var(--text);text-decoration:none}.brand{font-weight:700;color:var(--accent)!important}.topbar nav{display:flex;gap:1rem;flex:1;flex-wrap:wrap}.topbar nav a{color:var(--muted)}.topbar nav a.active,.topbar nav a:hover{color:var(--text)}.user{display:flex;align-items:center;gap:.5rem}.content{padding:2rem 1.5rem;max-width:1100px;width:100%;margin:0 auto}.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:1rem;margin-top:1.5rem}.tile{display:flex;flex-direction:column;gap:.4rem;padding:1.25rem;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);text-decoration:none}.tile:hover{border-color:var(--accent)}.tile span{color:var(--muted);font-size:.9rem}.placeholder{margin-top:1.5rem;padding:2rem;border:1px dashed var(--border);border-radius:var(--radius);color:var(--muted);text-align:center}