/* assets/css/navbar.css */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--navbar-height);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: var(--bg-surface);
    box-shadow: var(--shadow-md);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    text-decoration: none;
}

.brand-logo-wrapper {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-500), var(--color-accent-600));
    border-radius: 12px;
    padding: 8px;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
    transition: all var(--transition-normal);
}

.navbar-brand:hover .brand-logo-wrapper {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 8px 16px rgba(99, 102, 241, 0.4);
}

.brand-logo-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.brand-text {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--color-gray-900), var(--color-gray-700));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-link {
    color: var(--text-main);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.nav-link:hover {
    color: var(--color-primary-600);
    background: var(--color-primary-50);
}

.nav-auth-buttons {
    display: flex;
    gap: 0.75rem;
    margin-left: 0.5rem;
    padding-left: 1.5rem;
    border-left: 1px solid var(--border-color);
}

.btn-login {
    padding: 0.6rem 1.25rem;
    font-weight: 600;
    color: var(--color-primary-600);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn-login:hover {
    background: var(--color-primary-50);
}

.btn-signup {
    padding: 0.6rem 1.5rem;
    font-weight: 600;
    color: white;
    background: var(--color-primary-600);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 10px rgba(79, 70, 229, 0.25);
    transition: all var(--transition-normal);
    text-decoration: none;
}

.btn-signup:hover {
    background: var(--color-primary-700);
    transform: translateY(-1px);
    box-shadow: 0 6px 14px rgba(79, 70, 229, 0.35);
}

.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--color-gray-100);
    border: none;
    color: var(--color-gray-600);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--color-gray-200);
    color: var(--color-primary-600);
    transform: rotate(15deg);
}

/* User Dropdown */
.nav-user-dropdown {
    position: relative;
    padding-left: 1rem;
    border-left: 1px solid var(--border-color);
}

.btn-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: transparent;
    border: none;
    padding: 0.4rem 0.6rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-user:hover {
    background: var(--color-gray-100);
}

.nav-avatar {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    object-fit: cover;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.nav-username {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-gray-700);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 0.75rem);
    right: 0;
    min-width: 240px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 0.75rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-normal);
    z-index: 1001;
}

.nav-user-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.75rem 1rem;
    color: var(--text-main);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    font-size: 0.9rem;
    font-weight: 500;
}

.dropdown-item:hover {
    background: var(--color-gray-50);
    color: var(--color-primary-600);
}

.dropdown-item i {
    font-size: 1.1rem;
    color: var(--color-gray-400);
}

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: 0.5rem -0.75rem;
}

@media (max-width: 1024px) {
    .brand-text {
        display: none;
    }
}

@media (max-width: 768px) {
    .navbar-menu {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        background: var(--color-gray-100);
        border: none;
        border-radius: 12px;
        cursor: pointer;
    }
}