:root{--bg: #0f1115;--card: #171a21;--text: #e8eaf0;--muted: #8b91a0;--accent: #4f8cff;--danger: #e5534b;--ok: #3fb27f}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 system-ui,-apple-system,sans-serif}.shell nav{display:flex;gap:8px;align-items:center;padding:12px 20px;border-bottom:1px solid #262a33}.brand{font-weight:700;margin-right:16px;letter-spacing:.3px}nav button{background:none;border:none;color:var(--muted);padding:6px 12px;border-radius:8px;cursor:pointer;font-size:15px}nav button.active{background:var(--card);color:var(--text)}nav .right{margin-left:auto}main{max-width:960px;margin:24px auto;padding:0 20px}.card{background:var(--card);border-radius:12px;padding:16px;margin-bottom:12px}.muted{color:var(--muted)}.error{color:var(--danger)}.login-wrap{display:grid;place-items:center;min-height:100vh}.login-card{display:flex;flex-direction:column;gap:10px;width:320px;background:var(--card);padding:28px;border-radius:14px}.login-card input{padding:10px;border-radius:8px;border:1px solid #2a2f3a;background:var(--bg);color:var(--text)}.login-card button,.btn{padding:10px 14px;border-radius:8px;border:none;background:var(--accent);color:#fff;cursor:pointer}.btn.secondary{background:#262a33}.btn.danger{background:var(--danger)}.row{display:flex;gap:8px;align-items:center}.empty{color:var(--muted);text-align:center;padding:48px 0}input,textarea,select{font:inherit}