:root{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color-scheme:light dark;--bg: #0a0a0a;--fg: #ededed;--muted: #9ca3af;--accent: #6366f1;--border: #1f2937;background-color:var(--bg);color:var(--fg)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.app{display:flex;flex-direction:column;min-height:100vh}.app-header{display:flex;align-items:center;gap:1.5rem;padding:1rem 1.5rem;border-bottom:1px solid var(--border)}.brand{font-weight:700;letter-spacing:.02em}.app-header nav{display:flex;gap:1rem}.app-header nav a{color:var(--muted)}.app-header nav a.active{color:var(--fg)}.app-main{padding:1.5rem;max-width:1024px;width:100%;margin:0 auto}.card{border:1px solid var(--border);border-radius:12px;padding:1rem 1.25rem;background:#ffffff05;margin-bottom:1rem}button{background:var(--accent);color:#fff;border:0;border-radius:8px;padding:.5rem .875rem;font:inherit;cursor:pointer}button:hover{filter:brightness(1.1)}input{background:transparent;color:var(--fg);border:1px solid var(--border);border-radius:8px;padding:.5rem .75rem;font:inherit}ul.users{list-style:none;padding:0;margin:0;display:grid;gap:.5rem}.user-row{display:flex;justify-content:space-between;align-items:center;padding:.625rem .875rem;border:1px solid var(--border);border-radius:8px}.error{color:#f87171}.muted{color:var(--muted)}