:root{--brand:#1496a8;--brand2:#0c7182;--bg:#f5f8fa;--text:#19313a;--muted:#6b7b83;--card:#fff;--border:#dfe8eb}*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--bg);color:var(--text)}aside{position:fixed;left:0;top:0;bottom:0;width:235px;background:#fff;border-right:1px solid var(--border);padding:18px;display:flex;flex-direction:column}.side-logo{width:175px;margin:5px auto 25px}nav a{display:block;text-decoration:none;color:var(--text);padding:11px 10px;border-radius:9px;margin:3px 0}nav a:hover{background:#eaf7f9;color:var(--brand2)}.userbox{margin-top:auto;padding:12px;background:#f2f8f9;border-radius:10px}.userbox a{color:var(--brand2)}main{margin-left:235px;padding:20px;max-width:1500px}.top{display:flex;justify-content:flex-end;margin-bottom:18px}.top input{width:min(600px,60vw)}input,select,textarea{width:100%;padding:11px;border:1px solid var(--border);border-radius:8px;background:#fff;margin:5px 0 12px;font:inherit}textarea{min-height:90px}button,.btn{display:inline-block;background:var(--brand);color:white;border:0;border-radius:8px;padding:11px 16px;text-decoration:none;cursor:pointer}button:hover,.btn:hover{background:var(--brand2)}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px;box-shadow:0 2px 8px #173a4210}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:15px}.stat{font-size:28px;font-weight:700}.muted{color:var(--muted)}table{width:100%;border-collapse:collapse;background:#fff}th,td{text-align:left;padding:11px;border-bottom:1px solid var(--border)}th{font-size:13px;color:var(--muted)}.alert{background:#fff0f0;border:1px solid #f2caca;padding:10px;border-radius:8px;margin:10px 0}.center{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#effafb,#fff)}.auth{width:min(420px,92vw);text-align:center}.logo{width:220px;max-width:80%;margin-bottom:8px}.auth button{width:100%;margin-top:6px}.row{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.actions{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}.danger{background:#b83c3c}@media(max-width:800px){aside{position:static;width:auto;min-height:auto}.side-logo{width:150px}nav{display:grid;grid-template-columns:repeat(2,1fr)}main{margin-left:0;padding:12px}.top input{width:100%}.row{grid-template-columns:1fr}}