/* 🌙 Navbar */
.navbar {
    background: rgba(15, 23, 42, 0.95) !important;
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.75rem 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.light-mode .navbar {
    background: rgba(248, 250, 252, 0.95) !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

.light-mode .navbar-brand {
    color: var(--light-text) !important;
}

.light-mode .nav-link {
    color: var(--light-text-secondary) !important;
}

.light-mode .nav-link:hover,
.light-mode .nav-link.active {
    color: var(--light-text) !important;
}

.navbar-brand {
    color: #fff !important;
    font-weight: 700;
    font-size: 1.4rem;
    letter-spacing: -0.5px;
}

.navbar-brand:hover {
    color: #fff !important;
}

.light-mode .navbar-brand:hover {
    color: var(--light-text) !important;
}

.nav-link {
    color: #cbd5e1 !important;
    font-weight: 500;
    padding: 0.5rem 0.8rem !important;
    border-radius: 8px;
    transition: all var(--transition-speed) ease;
    font-size: 0.95rem;
}

.nav-link:hover {
    color: #fff !important;
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

.nav-link.active {
    color: #fff !important;
    background: rgba(99, 102, 241, 0.2);
}

.light-mode .nav-link:hover {
    background: rgba(0, 0, 0, 0.05);
}

.light-mode .nav-link.active {
    background: rgba(99, 102, 241, 0.1);
}

.nav-link i {
    margin-right: 0.4rem;
    font-size: 1rem;
}

/* Navbar Toggler */
.navbar-toggler {
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 0.25rem 0.5rem;
}

.light-mode .navbar-toggler {
    border: 1px solid rgba(0, 0, 0, 0.3);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.5);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    width: 1.2em;
    height: 1.2em;
}

.light-mode .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%280, 0, 0, 0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Mobile Navbar */
@media (max-width: 768px) {
    .navbar-brand {
        font-size: 1.3rem;
    }
    
    .nav-link {
        padding: 0.6rem 1rem !important;
        margin: 0.2rem 0;
    }
    
    .navbar-collapse {
        background: rgba(15, 23, 42, 0.98);
        backdrop-filter: blur(20px);
        border-radius: 10px;
        padding: 0.8rem;
        margin-top: 0.8rem;
        border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .light-mode .navbar-collapse {
        background: rgba(255, 255, 255, 0.98);
        border: 1px solid rgba(0, 0, 0, 0.1);
    }
}

@media (max-width: 576px) {
    .navbar {
        padding: 0.6rem 0;
    }
    
    .navbar-brand {
        font-size: 1.2rem;
    }
}