html,
body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    font-family: "Segoe UI", sans-serif;
    background: linear-gradient( 135deg, #071527, #0c1828 );
}

.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
}

.login-card {
    width: 420px;
    padding: 40px;
    border-radius: 16px;
    background: rgba(255,255,255,0.03);
    border: 1px solid #1d3554;
    box-shadow: 0 10px 40px rgba(0,0,0,.35);
    text-align: center;
}

.login-logo {
    width: 120px;
    margin-bottom: 20px;
}

.login-title {
    color: white;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 4px;
}

.login-subtitle {
    color: #8ca2c0;
    font-size: 14px;
    margin-bottom: 30px;
}

.form-group {
    text-align: left;
    margin-bottom: 18px;
}

    .form-group label {
        display: block;
        color: #c7d4e8;
        font-size: 13px;
        margin-bottom: 6px;
    }

.login-input {
    width: 100%;
    box-sizing: border-box;
    padding: 12px 14px;
    border-radius: 8px;
    border: 1px solid #1d3554;
    background: #081321;
    color: white;
    font-size: 14px;
}

    .login-input:focus {
        outline: none;
        border-color: #ff3b30;
        box-shadow: 0 0 8px rgba(255,59,48,.35);
    }

.login-button {
    width: 100%;
    margin-top: 10px;
    padding: 12px;
    border: 0;
    border-radius: 8px;
    background: #ff3b30;
    color: white;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
}

    .login-button:hover {
        background: #ff564c;
    }

.login-error {
    background: rgba(255,59,48,.10);
    border: 1px solid rgba(255,59,48,.30);
    color: #ff9088;
    border-radius: 8px;
    padding: 10px;
    margin-bottom: 15px;
}

.login-footer {
    margin-top: 24px;
    font-size: 11px;
    color: #5c738f;
}