:root{
    --bg-0:#06110c;
    --bg-1:#0b1a14;
    --bg-2:#0f231b;
    --glass:rgba(255,255,255,0.04);

    --text-0:#f4fbf7;
    --text-1:#cfe7db;
    --text-2:#9fbdb0;

    --accent-0:#19c37d;
    --accent-1:#10a36b;

    --danger:#ff5d5d;
    --border:rgba(255,255,255,0.08);

    --radius-1:14px;
    --radius-2:20px;
    --transition:180ms cubic-bezier(.2,.8,.2,1);

    --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu,
            "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
    margin:0;
    font-family:var(--font);
    color:var(--text-0);
    background:
    radial-gradient(900px 500px at 15% 10%, rgba(25,195,125,.08), transparent 55%),
    radial-gradient(700px 400px at 85% 20%, rgba(16,163,107,.07), transparent 55%),
    linear-gradient(180deg, var(--bg-0), #040b08 70%);
    display:grid;
    place-items:center;
}

/* ===== Card ===== */
.login-card{
    width:100%;
    max-width:420px;
    padding:28px 26px 30px;
    background:
    linear-gradient(135deg, rgba(255,255,255,.02), transparent 40%),
    linear-gradient(135deg, var(--bg-1), var(--bg-2));
    border:1px solid var(--border);
    border-radius:var(--radius-2);
    box-shadow:0 20px 50px rgba(0,0,0,.45);
}

.brand{
    display:flex;
    align-items:center;
    gap:14px;
    margin-bottom:22px;
}

.badge{
    width:44px;height:44px;
    border-radius:14px;
    background:
    linear-gradient(135deg, rgba(25,195,125,.25), rgba(25,195,125,.05)),
    linear-gradient(135deg,#0e2a20,#0a1b15);
    border:1px solid rgba(25,195,125,.35);
    display:grid;
    place-items:center;
    font-weight:800;
    color:var(--accent-0);
    letter-spacing:.4px;
}

.brand h1{
    font-size:18px;
    margin:0;
}
.brand small{
    font-size:11px;
    color:var(--text-2);
}

/* ===== Form ===== */
form{margin-top:10px}

.field{
    margin-bottom:14px;
}

.field label{
    display:block;
    font-size:11px;
    color:var(--text-2);
    margin-bottom:6px;
}

.field input{
    width:100%;
    padding:11px 12px;
    border-radius:12px;
    border:1px solid rgba(255,255,255,.08);
    background:rgba(255,255,255,.04);
    color:var(--text-0);
    font-size:13px;
    outline:none;
    transition:var(--transition);
}

.field input::placeholder{
    color:rgba(207,231,219,.45);
}

.field input:focus{
    border-color:rgba(25,195,125,.45);
    box-shadow:0 0 0 3px rgba(25,195,125,.12);
}

.row{
    display:flex;
    justify-content:space-between;
    align-items:center;
    margin:10px 0 18px;
    font-size:11px;
}

.row a{
    color:var(--accent-0);
    text-decoration:none;
}

.row a:hover{text-decoration:underline}

/* ===== Button ===== */
.btn{
    width:100%;
    padding:12px;
    border-radius:14px;
    border:1px solid rgba(25,195,125,.45);
    background:linear-gradient(135deg,var(--accent-0),var(--accent-1));
    color:#06110c;
    font-weight:800;
    cursor:pointer;
    transition:var(--transition);
    box-shadow:0 10px 24px rgba(0,0,0,.35);
}

.btn:hover{filter:brightness(1.06);color: #fff;}

.hint{
    text-align:center;
    margin-top:16px;
    font-size:11px;
    color:var(--text-2);
}