/* Top Navigation Bar Styles */

.top-nav {
    height: var(--header-height);
    background-color: white;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

/* Brand Section */
.nav-brand {
    display: flex;
    align-items: center;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--gray-900);
    font-weight: 600;
    font-size: 1.25rem;
}

.brand-link:hover {
    color: var(--primary-color);
}

.brand-logo {
    height: 32px;
    width: auto;
}

.brand-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.brand-text {
    display: inline-block;
}

/* Navigation Links */
.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-600);
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.nav-link i {
    font-size: 0.875rem;
}

/* User Profile Section */
.user-profile {
    position: relative;
}

.user-icon {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

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

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--gray-200);
}

.user-avatar-emoji {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    border: 2px solid var(--gray-200);
}

.user-name {
    font-weight: 500;
    color: var(--gray-700);
}

.user-icon i {
    font-size: 0.75rem;
    color: var(--gray-400);
    transition: transform var(--transition-fast);
}

.user-icon.active i {
    transform: rotate(180deg);
}

/* User Dropdown */
.user-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 240px;
    background-color: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
}

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

.dropdown-header {
    padding: 1rem;
    border-bottom: 1px solid var(--gray-200);
}

.dropdown-header strong {
    display: block;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.dropdown-header small {
    color: var(--gray-500);
    font-size: 0.875rem;
}

.dropdown-divider {
    height: 1px;
    background-color: var(--gray-200);
    margin: 0;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--gray-700);
    transition: background-color var(--transition-fast);
}

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

.dropdown-item i {
    width: 20px;
    text-align: center;
    color: var(--gray-400);
}

/* Mobile Menu Toggle Button */
.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--border-primary);
    border-radius: var(--radius);
    width: 40px;
    height: 40px;
    cursor: pointer;
    color: var(--text-primary);
    transition: all var(--transition-fast);
    align-items: center;
    justify-content: center;
}

.mobile-menu-toggle:hover {
    background-color: var(--bg-tertiary);
    transform: scale(1.05);
}

.mobile-menu-toggle:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.mobile-menu-toggle i {
    font-size: 1.2rem;
    transition: transform var(--transition-fast);
}

.mobile-menu-toggle.active {
    background-color: var(--bg-tertiary);
}

.mobile-menu-toggle.active i {
    transform: rotate(90deg);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .top-nav {
        padding: 0 1rem;
        position: relative;
    }
    
    .mobile-menu-toggle {
        display: flex;
        order: 2;
        position: absolute;
        left: calc(35px + 2rem); /* Position after logo (35px) + proper spacing */
        top: 50%;
        transform: translateY(-50%);
        z-index: 1001;
    }
    
    .nav-brand {
        order: 1;
    }
    
    .user-profile {
        order: 3;
    }
    
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--nav-bg);
        border-top: 1px solid var(--border-primary);
        border-bottom: 1px solid var(--border-primary);
        box-shadow: var(--shadow-lg);
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
        z-index: 999;
        transform: translateY(-10px);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-fast);
        order: 4;
        width: 100%;
    }
    
    .nav-links.show {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-links .nav-link {
        padding: 0.75rem 1.5rem;
        border-bottom: 1px solid var(--border-primary);
        justify-content: flex-start;
        width: 100%;
        text-align: left;
    }
    
    .nav-links .nav-link:last-child {
        border-bottom: none;
    }
    
    .nav-links .nav-link:hover {
        background-color: var(--bg-hover);
    }
    
    .brand-text {
        display: none;
    }
    
    .user-name {
        display: none;
    }
    
    /* Adjust theme toggle on mobile */
    .theme-toggle-btn {
        margin-right: 0.5rem;
    }
}

/* Extra small screens */
@media (max-width: 480px) {
    .mobile-menu-toggle {
        left: calc(35px + 1rem); /* Reduce spacing on smaller screens */
    }
    
    .nav-links .nav-link {
        font-size: 0.875rem;
        padding: 0.625rem 1rem;
    }
    
    .nav-links .nav-link i {
        font-size: 0.875rem;
        width: 16px;
    }
}