/* ========================================
   UNIFIED NAVIGATION COMPONENT
   Единая навигация для всех страниц
   ======================================== */

.site-header {
    background: #1e1e2e;
    border-bottom: 2px solid #313244;
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.site-header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: #74c7ec;
    font-weight: 800;
    font-size: 1.3rem;
    transition: all 0.3s;
}

.site-logo i {
    font-size: 1.5rem;
    background: linear-gradient(135deg, #74c7ec, #89b4fa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.site-logo:hover {
    transform: translateY(-2px);
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.site-nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1rem;
    color: #bac2de;
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.3s;
    font-weight: 600;
    font-size: 0.95rem;
    white-space: nowrap;
}

.site-nav-link i {
    font-size: 1.1rem;
}

.site-nav-link:hover {
    background: rgba(116, 199, 236, 0.1);
    color: #74c7ec;
    transform: translateY(-2px);
}

.site-nav-link.active {
    background: linear-gradient(135deg, #74c7ec, #89b4fa);
    color: #11111b;
    font-weight: 700;
}

/* Icon-only links (Справка, Мои покупки, Админ) */
.site-nav-link.icon-only {
    padding: 0.65rem;
    min-width: 42px;
    justify-content: center;
}

.site-nav-link.icon-only span {
    display: none;
}

.site-nav-link.icon-only i {
    font-size: 1.3rem;
}

/* Highlight for "Мои покупки" */
.site-nav-link.highlight {
    background: linear-gradient(135deg, #a6e3a1, #94e2d5);
    color: #11111b;
    font-weight: 700;
}

.site-nav-link.highlight:hover {
    background: linear-gradient(135deg, #94e2d5, #a6e3a1);
}

/* Admin link - subtle */
.site-nav-link.admin-link {
    opacity: 0.5;
}

.site-nav-link.admin-link:hover {
    opacity: 1;
}

/* Mobile menu toggle */
.site-menu-toggle {
    display: none;
    background: #313244;
    border: none;
    color: #cdd6f4;
    padding: 0.75rem 1rem;
    border-radius: 10px;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s;
}

.site-menu-toggle:hover {
    background: #45475a;
    transform: scale(1.05);
}

/* Mobile styles */
@media (max-width: 1100px) {
    .site-header-container {
        padding: 0 1rem;
    }
    
    .site-nav-link {
        font-size: 0.9rem;
        padding: 0.6rem 0.85rem;
        gap: 0.4rem;
    }
    
    .site-nav-link i {
        font-size: 1rem;
    }
    
    .site-nav-link.icon-only i {
        font-size: 1.2rem;
    }
}

@media (max-width: 900px) {
    .site-menu-toggle {
        display: block;
    }
    
    .site-nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: #1e1e2e;
        flex-direction: column;
        gap: 0;
        padding: 1rem;
        border-bottom: 2px solid #313244;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .site-nav.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    
    .site-nav-link {
        width: 100%;
        padding: 1rem 1.5rem;
        justify-content: flex-start;
        border-radius: 12px;
    }
    
    .site-nav-link.icon-only {
        padding: 1rem 1.5rem;
        justify-content: flex-start;
    }
    
    .site-nav-link.icon-only span {
        display: inline;
    }
    
    .site-nav-link i {
        font-size: 1.2rem;
        width: 24px;
    }
}

@media (max-width: 480px) {
    .site-header-container {
        height: 60px;
    }
    
    .site-logo {
        font-size: 1.1rem;
    }
    
    .site-logo i {
        font-size: 1.3rem;
    }
}