:root{--red:#f2353b;--bg:#f6f7f9;--surface:#fff;--text:#101216;--muted:#7b8490;--border:#e2e6eb;--panel:#070a0d}
html[data-theme=dark]{--bg:#080c0f;--surface:#0d1318;--text:#f6f7f9;--muted:#8e99a4;--border:#222c34;--panel:#050709}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,sans-serif;min-height:100vh}
.login-shell{min-height:100vh;display:grid;grid-template-columns:minmax(420px,46%) 1fr}.brand-panel{background:var(--panel);color:#fff;padding:52px 64px;position:relative;overflow:hidden;display:flex;flex-direction:column}.brand-panel:before{content:"";position:absolute;width:560px;height:560px;border-radius:50%;border:1px solid rgba(242,53,59,.14);right:-260px;top:-180px;box-shadow:0 0 120px rgba(242,53,59,.08)}.brand-panel:after{content:"";position:absolute;width:330px;height:330px;background:var(--red);filter:blur(160px);opacity:.12;left:-160px;bottom:-130px}.brand-top{position:relative;z-index:1}.brand-top img,.mobile-brand img{width:190px;max-height:70px;object-fit:contain;object-position:left center;filter:invert(1) hue-rotate(180deg)}.brand-top span{display:block;font-size:10px;letter-spacing:.28em;color:#7e8992;margin:5px 0 0 5px}.brand-copy{margin:auto 0;position:relative;z-index:1;max-width:600px}.eyebrow{font-size:10px;letter-spacing:.18em;font-weight:800;color:var(--red);margin-bottom:15px}.brand-copy h1{font-size:clamp(42px,5vw,74px);letter-spacing:-.065em;line-height:.96;margin:0;font-weight:800}.brand-copy h1 em{font-style:normal;color:var(--red)}.brand-copy p{font-size:14px;line-height:1.8;color:#8f99a3;max-width:440px;margin-top:28px}.brand-foot{position:relative;z-index:1;border-top:1px solid #1b2228;padding-top:20px;font-size:10px;color:#6f7b84;display:flex;align-items:center;gap:8px}.brand-foot b{margin-left:auto;font-weight:500}.pulse{width:7px;height:7px;border-radius:50%;background:#22c77a;box-shadow:0 0 0 5px rgba(34,199,122,.08)}.form-panel{display:grid;place-items:center;padding:40px;background:var(--surface)}.form-wrap{width:min(410px,100%)}.form-wrap h2{font-size:31px;letter-spacing:-.045em;margin:0 0 8px;font-weight:800}.sub{color:var(--muted);font-size:13px;margin:0 0 34px}.form-wrap label{display:block;font-size:11px;font-weight:700;margin:0 0 8px}.field{height:48px;border:1px solid var(--border);background:var(--bg);border-radius:11px;display:flex;align-items:center;padding:0 13px;margin-bottom:20px;transition:.18s}.field:focus-within{border-color:var(--red);box-shadow:0 0 0 3px rgba(242,53,59,.08)}.field>i{color:var(--muted);font-size:16px}.field input{width:100%;border:0;outline:0;background:transparent;color:var(--text);padding:0 11px;font:inherit;font-size:13px}.field input::placeholder{color:var(--muted)}.field button{border:0;background:transparent;color:var(--muted);cursor:pointer}.submit{height:49px;width:100%;border:0;border-radius:10px;background:var(--red);color:#fff;font-weight:700;font-size:13px;display:flex;align-items:center;justify-content:center;gap:10px;cursor:pointer;box-shadow:0 12px 25px rgba(242,53,59,.18);transition:.18s}.submit:hover{transform:translateY(-1px);filter:brightness(.94)}.secure{text-align:center;color:var(--muted);font-size:10px;margin-top:22px}.secure i{color:#25b977;margin-right:5px}.error{background:rgba(242,53,59,.08);border:1px solid rgba(242,53,59,.22);color:var(--red);border-radius:10px;padding:12px 14px;margin-bottom:20px;font-size:12px}.error i{margin-right:7px}.theme{position:fixed;right:22px;top:20px;z-index:10;width:40px;height:40px;border-radius:10px;border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer}.mobile-brand{display:none;margin-bottom:38px}.mobile-brand img{filter:none}html[data-theme=dark] .mobile-brand img{filter:invert(1) hue-rotate(180deg)}
@media(max-width:850px){.login-shell{grid-template-columns:1fr}.brand-panel{display:none}.form-panel{min-height:100vh;padding:28px}.mobile-brand{display:block}.form-wrap h2{font-size:27px}}