.login-overlay {
    position: fixed;
    inset: 0;
    background: rgba(20, 21, 34, 0.85);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 999;
}

.login-card {
    width: min(360px, 90vw);
    background: #04120a;
    padding: 2rem;
    border-radius: 24px;
    box-shadow: 0 25px 60px rgba(0,0,0,0.45);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.login-card h1 {
    margin: 0;
    font-size: 1.5rem;
}

.login-card label {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    font-size: 0.9rem;
    color: #afe9c8;
}

.login-card input {
    padding: 0.6rem 0.75rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    font-size: 1rem;
}

.btn-primary {
    border: none;
    border-radius: 14px;
    background: linear-gradient(135deg, #2fe36f, #1a9b52);
    color: #011d0c;
    font-weight: 600;
    padding: 0.75rem 1rem;
    cursor: pointer;
    transition: opacity 0.2s ease;
}

.btn-primary:active {
    opacity: 0.85;
}

.login-hint {
    font-size: 0.85rem;
    color: #8fe6c1;
    text-align: center;
}

.login-overlay[hidden] {
    display: none;
}