:root{--accent:#B54747;--bg:#f5f7f8;--surface:#fff;--text:#142536;--muted:#607083;--line:#dce3e8}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px Arial,sans-serif}a{color:inherit;text-decoration:none}.nav{background:#14283b;padding:22px 5%;display:flex;justify-content:space-between}.hero,.nav{color:white}.hero{padding:90px 5%;background:#172638;border-bottom:5px solid var(--accent)}.hero h1{font-size:clamp(38px,6vw,76px)}.hero p{color:#d7e1ea;font-size:19px}.action{display:inline-block;background:var(--accent);color:white;padding:14px 19px;margin-top:20px;font-weight:700}.content{padding:38px 5%;max-width:1400px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));grid-gap:14px;gap:14px}.panel{padding:22px;background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--accent)}.muted,.panel p{color:var(--muted);line-height:1.6}.shell{display:grid;grid-template-columns:230px 1fr;min-height:100vh}.aside{background:#14283b;color:white;padding:25px;border-top:5px solid var(--accent)}.aside a{display:block;margin-bottom:22px}.auth-page{min-height:100vh;display:grid;place-items:center;padding:22px}.auth-card{background:var(--surface);padding:32px;width:min(100%,440px);border:1px solid var(--line)}.auth-card form{display:grid;grid-gap:10px;gap:10px}.auth-card input{padding:12px}.auth-card button{padding:12px;background:#14283b;color:white}.auth-error{color:#b54747}@media(max-width:750px){.shell{display:block}}