body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at top, rgba(34,197,94,0.12), transparent 35%),
        #05070d;
    font-family: Arial, sans-serif;
    color: #f8fafc;
}

.login-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.login-card {
    width: 420px;
    background: #0c1220;
    border: 1px solid #1f2a3d;
    border-radius: 20px;
    padding: 34px;
    box-shadow: 0 25px 80px rgba(0,0,0,0.45);
}

.login-logo {
    width: 100%;
    margin-bottom: 22px;
}

h1 {
    margin: 0;
    font-size: 28px;
}

p {
    color: #94a3b8;
    margin-bottom: 24px;
}

label {
    display: block;
    color: #94a3b8;
    font-size: 13px;
    margin: 14px 0 6px;
}

input {
    width: 100%;
    padding: 13px;
    background: #050914;
    border: 1px solid #263247;
    color: white;
    border-radius: 10px;
    box-sizing: border-box;
}

button {
    width: 100%;
    margin-top: 22px;
    padding: 13px;
    background: #22c55e;
    border: 0;
    border-radius: 10px;
    font-weight: 800;
    cursor: pointer;
}

.error {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid #ef4444;
    color: #ff8080;
    padding: 10px;
    border-radius: 10px;
    margin-bottom: 14px;
}

.footer {
    text-align: center;
    color: #64748b;
    font-size: 12px;
    margin-top: 24px;
}