:root{color-scheme:dark;--bg:#09090b;--card:#121215;--text:#fafafa;--muted:#a1a1aa;--border:#27272a;--primary:#A8F21A;--primary-text:#09090b;--error:#ef4444}
.dark{color-scheme:dark;--bg:#09090b;--card:#121215;--text:#fafafa;--muted:#a1a1aa;--border:#27272a;--primary:#A8F21A;--primary-text:#09090b;--error:#ef4444}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,input{font:inherit}button:focus-visible,input:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.login-shell{min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:36px 20px}.login-top{width:min(100%,430px);display:flex;align-items:center;gap:12px}.brand-logo{width:170px;flex:none}.brand-logo img{display:block;width:100%;height:auto}.brand-logo .brand-logo-dark{display:none}.dark .brand-logo .brand-logo-light{display:none}.dark .brand-logo .brand-logo-dark{display:block}.theme-button{margin-left:auto;width:36px;height:36px;border:1px solid var(--border);border-radius:8px;background:var(--card);color:var(--text);cursor:pointer}
.login-card{width:min(100%,430px);margin:auto 0;padding:36px;border:1px solid var(--border);border-radius:12px;background:var(--card);box-shadow:0 12px 35px rgba(0,0,0,.45)}.eyebrow{margin:0 0 14px;color:var(--primary);font-size:11px;font-weight:700;letter-spacing:.15em;font-family:monospace}h1{margin:0;font-size:30px;letter-spacing:-.04em}.intro{margin:9px 0 28px;color:var(--muted);font-size:14px;line-height:1.5}label{display:block;margin:18px 0 7px;font-size:13px;font-weight:600}input{width:100%;height:42px;padding:0 12px;border:1px solid var(--border);border-radius:7px;background:var(--bg);color:var(--text);font-size:14px}input::placeholder{color:var(--muted)}.submit{width:100%;height:42px;margin-top:24px;border:0;border-radius:7px;background:var(--primary);color:var(--primary-text);font-size:14px;font-weight:600;cursor:pointer;box-shadow:0 0 15px rgba(168,242,26,.2)}.submit:hover{background:#97DE10}.submit:disabled{opacity:.6;cursor:wait}.error{margin:16px 0 0;color:var(--error);font-size:13px}.footer{margin:0;color:var(--muted);font-size:12px}
@media(max-width:480px){.login-card{padding:28px 22px}}