.cover-hero {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    text-align: center;
    color: white;
    padding: 40px 20px;
    z-index: 9999;
    transition: transform 0.8s ease, opacity 0.8s ease;
    opacity: 1;
    transform: translateY(0);
    background-color: var(--custom-primary, var(--serenity-dark));
}

.cover-hero.hidden {
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
}

.cover-content {
    margin-bottom: 40px;
}

.nickname {
    margin-bottom: 20px;
    color: white;
    font-family: var(--custom-heading-font);
}

.open-invitation {
    margin-top: 20px;
    background: var(--custom-accent);
    padding: 12px 24px;
    color: white;
    border-radius: var(--custom-border-radius, 5px);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.open-invitation:hover {
    transform: translateY(-2px);
    filter: brightness(0.95);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.cover-bottom {
    margin-top: 20px;
    padding: 16px 20px;
    border-radius: var(--custom-border-radius, 16px);
    background: rgba(127, 141, 131, 0.2);
    backdrop-filter: blur(6px);
    max-width: 320px;
    margin-left: auto;
    margin-right: auto;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.guest-title {
    font-size: 0.75rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    opacity: 0.85;
    margin-bottom: 6px;
    color: rgba(255, 255, 255, 0.9);
}

.guest-name {
    font-size: 1.1rem;
    margin: 6px 0;
    line-height: 1.4;
    color: white;
}

.guest-name strong {
    font-weight: 600;
    letter-spacing: 0.5px;
}

.guest-addres {
    font-size: 0.75rem;
    opacity: 0.75;
    color: rgba(255, 255, 255, 0.8);
}

.sidebar-cover {
    padding: 60px 20px;
}

.sidebar-cover .cover-content {
    margin-bottom: 80px;
}

.sidebar-cover .nickname {
    margin: 40px 0;
    font-size: 2.8rem;
}

@media (max-width: 768px) {
    .sidebar-left {
        display: block !important;
    }
    .sidebar-left.hidden {
        display: none !important;
    }
}