:root{--agtx-indigo:#6366f1;--agtx-indigo-d:#4f46e5;--agtx-navy:#171c33;--agtx-sidebar:#343a40;--agtx-bg:#f4f6f9;--agtx-ink:#23272f;--agtx-gray:#5c6470;--agtx-line:#e4e7ee}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,system-ui,Arial,sans-serif;background:var(--agtx-bg);color:var(--agtx-ink)}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--agtx-navy) 0,#232a52 60%,#1c2f4a 100%)}.login-card{width:380px;background:#fff;border-radius:12px;padding:34px 32px;box-shadow:0 18px 50px rgba(0,0,0,.35)}.brand{gap:12px;margin-bottom:22px}.brand,.brand-logo{display:flex;align-items:center}.brand-logo{width:44px;height:44px;border-radius:11px;color:#fff;font-weight:800;font-size:22px;justify-content:center;background:linear-gradient(135deg,#6366f1,#0ea5e9)}.brand b{font-size:20px}.brand b span{color:var(--agtx-indigo)}.fld{margin-bottom:14px}.fld label{display:block;font-size:12.5px;color:var(--agtx-gray);margin-bottom:5px;font-weight:600}.fld input{width:100%;padding:10px 12px;border:1px solid var(--agtx-line);border-radius:8px;font-size:14px;outline:none}.fld input:focus{border-color:var(--agtx-indigo);box-shadow:0 0 0 3px rgba(99,102,241,.15)}.btn{width:100%;padding:11px;border:0;border-radius:8px;cursor:pointer;background:var(--agtx-indigo);color:#fff;font-size:14.5px;font-weight:700}.btn:hover{background:var(--agtx-indigo-d)}.btn:disabled{opacity:.6;cursor:wait}.err{background:#fdecec;color:#b02a37;font-size:12.5px;padding:9px 12px;border-radius:8px;margin-bottom:12px}.muted{font-size:11.5px;color:var(--agtx-gray);text-align:center;margin-top:16px}