/* Modern Mobile-First Navbar */
.navbar {
    background: linear-gradient(135deg, #4A90E2 0%, #357ABD 100%);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    min-height: 60px;
    padding: 0.5rem 0;
}

.navbar-container {
    max-width: 100%;
    width: 100%;
    margin: 0 auto;
    padding: 0 1rem;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: nowrap;
    gap: 1rem;
}

.navbar-brand {
    color: #ffffff;
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: 700;
    font-family: 'Segoe UI', Arial, sans-serif;
    letter-spacing: 0.5px;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
    white-space: nowrap;
    min-width: fit-content;
}

.navbar-brand:hover {
    color: #e3f2fd;
}

/* Mobile toggle button */
.navbar-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
    flex-shrink: 0;
}

.navbar-toggle span {
    width: 25px;
    height: 3px;
    background: #ffffff;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.navbar-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.navbar-toggle.active span:nth-child(2) {
    opacity: 0;
}

.navbar-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Navigation menu */
.navbar-menu {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-left: auto;
    min-width: 0;
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: nowrap;
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav-link {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    white-space: nowrap;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-1px);
}

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

/* User section */
.navbar-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 1;
    min-width: 0;
    margin-left: 1rem;
}


.user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #ffffff;
    font-size: 0.9rem;
    padding: 0.5rem;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    min-width: 0;
}

.user-info i {
    font-size: 1.2rem;
    flex-shrink: 0;
}

.username {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-profile-link {
    color: inherit;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.user-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

/* Special button styles */
.login-link {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.login-link:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
}

.logout-link {
    background: rgba(244, 67, 54, 0.2);
    border: 1px solid rgba(244, 67, 54, 0.3);
}

.logout-link:hover {
    background: rgba(244, 67, 54, 0.3);
    border-color: rgba(244, 67, 54, 0.5);
}

.admin-link {
    background: rgba(255, 193, 7, 0.2);
    border: 1px solid rgba(255, 193, 7, 0.3);
    color: #fff3cd;
}

.admin-link:hover {
    background: rgba(255, 193, 7, 0.3);
    border-color: rgba(255, 193, 7, 0.5);
    color: #ffffff;
}

@media (max-width: 1400px) and (min-width: 1071px) {
    .nav-link span, .username {
        display: none;
    }
    .navbar-nav {
        gap: 0.5rem;
    }
    .nav-link {
        padding: 0.5rem 0.75rem;
    }
}

/* Mobile styles */
@media (max-width: 1070px) {
    .navbar-toggle {
        display: flex;
    }
    
    .navbar-container {
        padding: 0 1rem;
    }
    
    .navbar-menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: linear-gradient(135deg, #4A90E2 0%, #357ABD 100%);
        flex-direction: column;
        padding: 1rem;
        gap: 0;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        justify-content: flex-start;
        margin-left: 0;
    }
    
    .navbar-menu.active {
        transform: translateX(0);
    }
    
    .navbar-nav {
        flex-direction: column;
        gap: 0;
        width: 100%;
    }
    
    .nav-link {
        padding: 1rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        width: 100%;
        justify-content: flex-start;
    }
    
    .nav-link:last-child {
        border-bottom: none;
    }

    .nav-link span {
        display: inline-block;
    }

    .navbar-user {
        margin-top: 1rem;
        padding-top: 1rem;
        border-top: 1px solid rgba(255, 255, 255, 0.2);
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
        width: 100%;
    }
    
    .user-info {
        padding: 0;
        max-width: none;
        width: 100%;
    }
    
    .username {
        max-width: none;
        overflow: visible;
        text-overflow: clip;
        white-space: normal;
        word-break: break-word;
        display: inline-block;
    }

    .user-actions {
        gap: 1rem;
        flex-direction: column;
        width: 100%;
    }
    
    .user-actions .nav-link {
        margin: 0;
        border: 1px solid rgba(255, 255, 255, 0.3);
        border-radius: 8px;
        text-align: center;
        justify-content: center;
    }
}

/* Large screen optimizations */
@media (min-width: 1071px) {
    .navbar-container {
        padding: 0 2rem;
    }

    .navbar-nav {
        gap: 2rem;
    }
    
    .navbar-user {
        gap: 1rem;
    }
    
    .user-info {
        max-width: 250px;
    }
    
    .username {
        max-width: 200px;
    }
}

/* Utility classes */
.navbar-spacer {
    height: 60px;
}

/* Animation for smooth transitions */
.navbar-menu,
.nav-link,
.navbar-toggle span {
    transition: all 0.3s ease;
}

/* Focus states for accessibility */
.nav-link:focus,
.navbar-brand:focus,
.navbar-toggle:focus {
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}