body.otelcore-login {
    background: linear-gradient(135deg, #f7f9fc 0%, #eef3f8 100%);
    min-height: 100vh;
    margin: 0;
    font-family: Inter, 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #1d3557;
}

.login-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.login-card {
    width: 100%;
    max-width: 360px;
    padding: 1.5rem 1.5rem 1.35rem;
    border-radius: 14px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.07);
    background: #ffffff;
    border-top: 4px solid #ff6f61;
}

.login-brand {
    text-align: center;
    margin-bottom: 1.1rem;
}

.login-logo-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.55rem;
}

.login-logo {
    max-width: 170px;
    width: 100%;
    height: auto;
    display: block;
}

.demo-badge {
    display: inline-block;
    background: #ffe8e4;
    color: #ff6f61;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 8px;
}

.demo-note {
    color: #5d6d7e;
    font-size: 0.82rem;
    margin: 0;
    line-height: 1.45;
}

.demo-note strong {
    color: #1d3557;
}

.form-label {
    font-weight: 700;
    color: #5d6d7e;
    font-size: 0.82rem;
    margin-bottom: 0.3rem;
}

.form-control {
    background: #f7f9fc;
    border-color: #e5e9ef;
    font-size: 0.95rem;
    padding: 0.55rem 0.75rem;
}

.form-control:focus {
    border-color: #ff6f61;
    box-shadow: 0 0 0 0.2rem rgba(255, 111, 97, 0.18);
    background: #fff;
}

.btn-oc-primary {
    background-color: #1d3557;
    border: 1px solid #1d3557;
    color: #fff;
    font-weight: 700;
    border-radius: 10px;
    padding: 0.65rem 1rem;
    transition: 0.2s;
}

.btn-oc-primary:hover,
.btn-oc-primary:focus {
    background-color: #152842;
    border-color: #152842;
    color: #fff;
}

.alert {
    font-size: 0.85rem;
}