:root{
    --ink:#0f1729;
    --ink-soft:#5b6478;
    --line:#e4e8f4;
    --paper:#ffffff;
    --bg-1:#eef1fd;
    --bg-2:#e2e9fb;
    --indigo:#4338ca;
    --indigo-2:#3b82f6;
    --teal:#0d9488;
    --danger:#dc2626;
    --danger-bg:#fef2f2;
    --radius:20px;
    --shadow: 0 1px 2px rgba(15,23,41,.04), 0 24px 48px -18px rgba(30,41,90,.32);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
    margin:0;
    display:flex;
    align-items:center;
    justify-content:center;
    padding:24px;
    font-family:'Inter',system-ui,sans-serif;
    color:var(--ink);
    background:
        radial-gradient(1100px 600px at 12% -8%, #dfe6fc 0%, transparent 60%),
        radial-gradient(900px 700px at 100% 0%, #e7ecfe 0%, transparent 55%),
        linear-gradient(180deg, var(--bg-1), var(--bg-2) 55%, #eef1fd 100%);
}

.login-card{
    width:100%;
    max-width:396px;
    background:var(--paper);
    border:1px solid var(--line);
    border-radius:var(--radius);
    box-shadow:var(--shadow);
    padding:40px 34px 34px;
}

.login-logo{
    display:block;
    width:64px;
    height:64px;
    object-fit:contain;
    margin:0 auto 20px;
    border-radius:16px;
    filter:drop-shadow(0 10px 18px rgba(15,23,41,.14));
}

.login-title{
    margin:0;
    text-align:center;
    font-family:'Manrope',system-ui,sans-serif;
    font-weight:800;
    font-size:22px;
    letter-spacing:-.2px;
}
.login-sub{
    margin:6px 0 28px;
    text-align:center;
    font-size:13.5px;
    color:var(--ink-soft);
}

form{display:flex;flex-direction:column;gap:16px}

.field{display:flex;flex-direction:column;gap:6px}
.field-input{position:relative}
.field-input svg{
    position:absolute;
    left:14px;
    top:50%;
    transform:translateY(-50%);
    color:var(--ink-soft);
    pointer-events:none;
}
.field input{
    width:100%;
    padding:12.5px 14px 12.5px 42px;
    border:1.5px solid var(--line);
    border-radius:12px;
    font-size:14.5px;
    font-family:inherit;
    color:var(--ink);
    background:#fbfbfe;
    outline:none;
    transition:border-color .15s, box-shadow .15s, background .15s;
}
.field input::placeholder{color:#9aa2b8}
.field input:focus{
    border-color:var(--indigo-2);
    background:#fff;
    box-shadow:0 0 0 4px rgba(59,130,246,.12);
}
.field.has-error input{
    border-color:var(--danger);
    background:var(--danger-bg);
}
.field-error{
    font-size:12.5px;
    color:var(--danger);
    font-weight:600;
}

.btn-submit{
    margin-top:6px;
    width:100%;
    border:0;
    border-radius:12px;
    padding:13.5px;
    font-family:inherit;
    font-weight:700;
    font-size:15px;
    color:#fff;
    cursor:pointer;
    background:linear-gradient(135deg,var(--indigo),var(--indigo-2));
    box-shadow:0 12px 24px -10px rgba(67,56,202,.55);
    transition:transform .15s, box-shadow .15s;
}
.btn-submit:hover{transform:translateY(-1px);box-shadow:0 16px 28px -10px rgba(67,56,202,.6)}
.btn-submit:active{transform:translateY(0)}

.login-foot{
    margin-top:24px;
    text-align:center;
    font-size:12px;
    color:var(--ink-soft);
}