/* Pionowa nawigacja mobilna */
.vertical-nav {
    position: fixed;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1002;
    display: block;
}

.vertical-nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.vertical-nav-item {
    position: relative;
}

.vertical-nav-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid #667eea;
    color: #667eea;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
}

.vertical-nav-link:hover {
    background: rgba(102, 126, 234, 0.1);
    border-color: #667eea;
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.3);
}

.vertical-nav-link.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: #667eea;
    transform: scale(1.1);
    box-shadow: 0 0 25px rgba(102, 126, 234, 0.5);
}

.vertical-nav-link.active i {
    color: #fff;
}

.vertical-nav-link i {
    font-size: 18px;
    color: #667eea;
}

/* Linie łączące */
.vertical-nav-item:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 60px;
    width: 2px;
    height: 20px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0.1));
    transform: translateX(-50%);
    z-index: 1;
}

/* Tooltip */
.vertical-nav-link::before {
    content: attr(data-tooltip);
    position: absolute;
    left: 60px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 10;
}

.vertical-nav-link::after {
    content: '';
    position: absolute;
    left: 55px;
    top: 50%;
    transform: translateY(-50%);
    border: 5px solid transparent;
    border-right-color: rgba(0, 0, 0, 0.8);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 10;
}

.vertical-nav-link:hover::before,
.vertical-nav-link:hover::after {
    opacity: 1;
    visibility: visible;
}

/* Animacja pojawiania się */
.vertical-nav {
    animation: slideInLeft 0.5s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateY(-50%) translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(-50%) translateX(0);
    }
}

/* Responsywność */
@media (max-width: 768px) {
    .vertical-nav {
        left: 15px;
    }
    
    .vertical-nav-link {
        width: 45px;
        height: 45px;
    }
    
    .vertical-nav-link i {
        font-size: 16px;
    }
    
    .vertical-nav-item:not(:last-child)::after {
        height: 15px;
        top: 55px;
    }
}

@media (max-width: 480px) {
    .vertical-nav {
        left: 10px;
    }
    
    .vertical-nav-link {
        width: 40px;
        height: 40px;
    }
    
    .vertical-nav-link i {
        font-size: 14px;
    }
    
    .vertical-nav-item:not(:last-child)::after {
        height: 12px;
        top: 50px;
    }
}

/* Pokaż pionową nawigację na wszystkich ekranach */
@media (min-width: 769px) {
    .vertical-nav {
        display: block;
        left: 25px;
    }
    
    .vertical-nav-link {
        width: 55px;
        height: 55px;
    }
    
    .vertical-nav-link i {
        font-size: 20px;
    }
    
    .vertical-nav-item:not(:last-child)::after {
        height: 25px;
        top: 65px;
    }
}

/* Dostosowanie głównej nawigacji na mobile */
@media (max-width: 768px) {
    .navbar {
        padding: 10px 0;
    }
    
    .nav-container {
        padding: 0 15px;
    }
    
    .logo {
        font-size: 18px;
    }
    
    .nav-menu {
        background: rgba(0, 0, 0, 0.95);
        backdrop-filter: blur(10px);
    }
}

/* Smooth scroll dla nawigacji */
html {
    scroll-behavior: smooth;
}

/* Aktywne sekcje - już zdefiniowane wyżej */

/* Hover effect dla linii */
.vertical-nav-item:hover::after {
    background: linear-gradient(to bottom, rgba(102, 126, 234, 0.5), rgba(102, 126, 234, 0.2));
}